Nalux Co., Ltd.

Nalux Co., Ltd. is a Japanese company based in Osaka that manufactures ultra-precision plastic and glass lenses and optical components. Its core technologies include optical design, ultra-precision machining, ultra-precision molding, and coating. The company provides products such as micro lens arrays, diffusers, glass optical elements, and optical modules, serving applications from industrial to consumer products. Nalux operates as part of the Nalux Group, with subsidiaries in the United States, China, and Thailand.

Nalux Co., Ltd. traces its origins to 1930 when Kitagawa Seinosuke founded Kitagawa Seinosuke Shoten. In 1948, Kitagawa Shoten Co., Ltd. was established, with Kitagawa Seinosuke and Kitagawa Tozaburo as representative directors. The company began selling nylon gloves in 1954 and entered injection molding in 1960. In 1961, full-scale operations started in Higashiyodogawa-ku, Osaka. In 1962, the company received orders for relay cases and acrylic magnifying glass lenses, succeeding in injection-molded lens production for the first time in Japan. In 1963, the trade name was changed to Kitagawa Kako Co., Ltd. In 1970, Kitagawa Kako Co., Ltd. was established, and in 1971, Nihon Aspherical Lens Co., Ltd. was founded. In 1980, the company entered the high-precision camera lens field, and in 1981 opened the Yasu Plant in Yasu, Shiga Prefecture, achieving Japan's first direct connection of molding and vapor deposition processes in a clean room. In 1988, 10nm processing machines were introduced. In 1989, mass production of fθ lenses for laser beam printers began. In 1990, the company changed its name to Nalux Co., Ltd. In 1991, it became the top seller in the plastic lens industry. In 1992, Kitagawa Seiichiro became representative director. In 1998, ISO9001 certification was obtained. In 1999, a research building and factory were opened in Mishima-gun, Osaka. In 2000, the Subaru Telescope of the National Astronomical Observatory of Japan, which used Nalux's micro lens arrays, began operation. In 2002, NALUX NANO-OPTICAL, INC. was established in the United States for marketing and sales. In 2003, the Keihanna Research Laboratory was established for glass nanoimprinting development. In 2005, ISO14001 certification was obtained. In 2009, Changzhou Nalux Optics Co., Ltd. was established in China as a production base. In 2011, NNI Co., Ltd. was established for glass molding and imprinting technology. In 2013, a partnership agreement was signed with FISBA AG. In 2015, the Yasu Plant North Wing was completed. In 2016, TS (now IATF) 16949 certification was obtained (Yasu Plant only). In 2018, Changzhou Nalux Optics Co., Ltd. was relocated to expand production. In 2019, Nihon Aspherical Lens Co., Ltd. changed its name to Nalux Holdings Co., Ltd. In 2020, the Yasu Office East Wing was completed. In 2021, subsidiary NNI Co., Ltd. was renamed Nalux Precision Glass Co., Ltd., and Nalux Tradings (Thailand) Co., Ltd. was established for commercial expansion in ASEAN. In 2023, the company inherited the Optronics Division of Colcoat Co., Ltd. and COLCOAT (Thailand) Co., Ltd., which was renamed Nalux (Thailand) Co., Ltd. In 2025, Nalux exhibited at the Osaka-Kansai Expo.

High-quality, high-precision, cutting-edge manufacturing with integrated in-house capabilities from optical design to final products.

• Micro lens arrays

  Used in the Subaru Telescope of the National Astronomical Observatory of Japan.

• Ultra-wide-angle diffusers

• Glass optical elements

• Diffractive optical elements

• Lens units and optical modules

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