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Kodenshi AUK Group

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Kodenshi AUK Group is a Japan–South Korea semiconductor and optoelectronic-components group formed around Kodenshi Corporation and AUK Corporation.

Last updated August 31, 2026

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Overview

Kodenshi AUK Group is a cross-border electronics group comprising Kodenshi Corporation of Kyoto, Japan, and AUK Corporation of Iksan, South Korea. Its activities center on semiconductors and optoelectronic components, particularly devices that emit, receive, or process light. The group’s documented product-development areas include solar cells, photodiodes, phototransistors, red light-emitting diodes, photo integrated circuits, and sensing components. The group’s Japanese roots date to the establishment of Kodenshi Corporation in May 1972 in Uji, Kyoto. Kodenshi developed its business through research, manufacturing, and sales in the optical-semiconductor field. Its historical portfolio included photoelectric devices used to detect or respond to light, as well as red LEDs and related integrated components. The company expanded its operational presence to South Korea in 1980 and to Shenyang, China, in 1992, creating an international production and business footprint. AUK Corporation was established in Iksan in 1984. It developed as an electronic-component company focused on research, development, and supply of non-memory semiconductor products. The markets identified in reference material include Korea, Hong Kong, Japan, and Singapore. AUK’s later corporate history included a reverse-merger transaction dated July 1, 2010, through which it was acquired by Kodenshi Korea Corporation and Knowledge*On, Inc. The available reference material presents this transaction as part of the corporate structure associated with the Kodenshi AUK Group. The group has also been associated with overseas commercial activity. Kodenshi America, Inc. was described as a San Diego-based branch responsible for marketing, product planning, and regional business development for North and South America, Europe, the Middle East, and Africa. The group was reported to have supplied infrared-data-communication ports for Nintendo DS hardware and to have received recognition in South Korea for exports exceeding $100 million, although the available material does not establish the precise dates or independently document the claims beyond the cited encyclopedia source. In product development, the group was reported in 2009 to have introduced sensors designed to detect floor space and objects for applications including robotic products. The reference describes the technology as a South Korean first of its kind and states that development costs were substantially below those of imported alternatives. The group was also reported to have declared a cash dividend for fiscal 2010, but financial details are not reproduced here because the available source material does not provide sufficient independently verified financial context for a current company profile. The available information is primarily historical and does not establish the group’s current ownership, operating status, leadership, website, or present product lineup. Accordingly, Kodenshi AUK Group is best characterized as a historically documented international semiconductor and optoelectronics group whose known activities span component research, manufacturing, sales, and regional marketing.

History

Kodenshi Corporation was established in May 1972 in Uji, Kyoto, Japan, as a semiconductor manufacturer. Its historical specialization was the optical-semiconductor market, where it conducted research, development, production, and sales of devices that convert, emit, or detect light. The company’s documented technologies included solar cells, photodiodes, the light-receiving elements of phototransistors, red LEDs, and photo integrated circuits. Kodenshi began expanding outside Japan during the following decade. In 1980 it established a base in Iksan, South Korea, extending its manufacturing and commercial presence into one of East Asia’s important electronics centers. A further expansion followed in 1992, when the company extended its operations to Shenyang, China. These moves formed the international foundation later associated with the Kodenshi AUK Group. AUK Corporation was founded in Iksan in 1984. It developed as a global electronic-components company working on non-memory semiconductor products. Its documented commercial reach included South Korea, Hong Kong, Japan, and Singapore. AUK’s products and capabilities complemented Kodenshi’s optical-semiconductor activities, linking component research and manufacturing with a broader regional electronics business. A significant corporate event occurred on July 1, 2010, when AUK Corporation was reported to have been acquired by Kodenshi Korea Corporation and Knowledge*On, Inc. in a reverse-merger transaction. The available material does not provide enough detail to reconstruct the complete ownership chain, consideration, or post-transaction governance, but it identifies the transaction as a key step in the corporate history of the Kodenshi AUK structure. Hirokazu Nakajima was identified as AUK’s chief executive officer in 2011. The group also developed an overseas marketing and business-development network. Kodenshi America, Inc. was described as a San Diego branch established in 2011. Its responsibilities included marketing, planning for new products, and targeting manufacturing territories. The territories attributed to the branch covered North America, South America, Europe, the Middle East, and Africa, indicating that the group’s commercial ambitions extended well beyond its East Asian operating base. Kodenshi AUK Group was associated with several notable technology and commercial claims. It was described as the main supplier of infrared-data-communication ports for Nintendo DS devices. In 2009, the group was reported to have introduced sensors capable of detecting floor space and objects, with applications including robotic products. The reference characterized the sensors as a first of their kind in South Korea and stated that their development cost was about half that of imported sensors. Kodenshi was also reported to have won a South Korean trade award for exports exceeding $100 million. The available reference material records a dividend announcement by Kodenshi AUK Corporation for fiscal 2010, with payment scheduled in 2011, but the precise financial figures are not included in this dossier because they are not necessary to describe the group’s industrial history and lack sufficient corroborating financial context here. Current corporate status, ownership, leadership, product availability, and web presence are not established by the supplied sources. The group should therefore be treated as a historically documented semiconductor and optoelectronics organization rather than assigned an unsupported current operating status.

  • 2011

    Kodenshi America described as established

    [1]

    Kodenshi America, Inc. was described as a San Diego branch supporting marketing and regional product planning.

  • 2010

    AUK acquired in reverse merger

    [1]

    AUK Corporation was reported to have been acquired by Kodenshi Korea Corporation and Knowledge*On, Inc. in a reverse-merger transaction effective July 1.

  • 2009

    Object- and floor-space-detection sensors introduced

    [1]

    Kodenshi AUK was reported to have developed sensors for detecting floor space and objects, including possible robotic applications.

  • 1992

    Kodenshi expands to Shenyang

    [1]

    Kodenshi expanded its international presence to Shenyang, China.

  • 1984

    AUK Corporation founded

    [1]

    AUK Corporation was founded in Iksan, South Korea, with a focus on non-memory semiconductor products.

  • 1980

    Kodenshi expands to South Korea

    [1]

    Kodenshi established an operational base in Iksan, South Korea.

  • 1972

    Kodenshi Corporation established in Kyoto

    [1]

    Kodenshi Corporation was established in May in Uji, Kyoto, Japan, as a semiconductor-producing company.

Products and positioning

A specialist semiconductor and optoelectronics group focused on optical sensing, light-emitting, infrared-communication, and other non-memory electronic components for industrial and consumer applications.

  • Semiconductors

    Optical semiconductor devices

    Kodenshi’s historical core business involved optical semiconductors and related photoelectric components. These devices are designed to emit, receive, or respond to light and formed the technical base for the company’s work in sensing, communications, and electronic control applications.

  • Optoelectronics

    Solar cells

    Solar cells were included among Kodenshi’s documented optical-semiconductor activities. The supplied material identifies their research, development, production, and sales but does not specify particular cell formats, performance figures, or current availability.

  • Optical sensors

    Photodiodes and phototransistors

    Kodenshi developed photodiodes and light-receiving elements used in phototransistors. These components convert incident light into electrical signals and are suitable for detection, measurement, control, and communication systems, although the supplied sources do not identify individual product families.

  • Light-emitting semiconductors

    Red LEDs

    Red light-emitting diodes were among the semiconductor devices associated with Kodenshi’s product-development history. The available material does not provide specifications, package types, target applications, or evidence of current production.

  • Integrated circuits

    Photo integrated circuits

    Kodenshi’s documented development portfolio included photo ICs, or integrated circuits incorporating optical detection or photoelectric functionality. The reference does not identify specific part numbers or technical configurations.

  • Consumer-electronics components

    Infrared-data-communication ports

    Kodenshi AUK was reported to be the main supplier of infrared-data-communication ports used in Nintendo DS hardware. The supplied material does not identify the exact device models, contract terms, or duration of the supply relationship.

  • Sensing components · 2009

    Object- and floor-space-detection sensors

    In 2009, the group was reported to have introduced sensors capable of detecting floor space and objects. The technology was associated with robotic applications, including products such as iRobot systems, and was described as less expensive to develop than imported sensor alternatives.

Brand decisions

  • 2010

    Reverse-merger acquisition of AUK CorporationM&A

    Background

    AUK Corporation operated as a South Korean electronic-components company focused on non-memory semiconductors before the reported transaction.

    Action taken

    Kodenshi Korea Corporation and Knowledge*On, Inc. acquired AUK Corporation through a reverse-merger transaction effective July 1, 2010.

    Aftermath

    The transaction became part of the corporate history associated with the Kodenshi AUK Group. The supplied material does not establish the full post-merger ownership or operating structure.

  • 2009

    Launch of object- and floor-space-detection sensorsProduct launch

    Background

    The group sought to develop sensing components for applications requiring detection of objects and available floor space, including robotic products.

    Action taken

    Kodenshi AUK introduced newly developed sensors reported to detect objects and floor space.

    Aftermath

    The reference described the technology as a South Korean first of its kind and stated that development costs were approximately half those of imported sensors.

Sources1 sources

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