Seiko NPC

Seiko NPC Corporation is a Japanese semiconductor manufacturer established in 1975 as Nippon Precision Circuits Inc. through investment from Daini Seikosha and Suwa Seikosha. It became a wholly owned subsidiary of Seiko Corporation (now Seiko Group Corporation) in 2005 and changed its name to Seiko NPC Corporation in 2006. The company develops and manufactures crystal oscillator ICs, sensor ICs, and other semiconductor products, with its crystal oscillator ICs holding a leading global share in the SPXO market. It operates its own factory in Nasushiobara, Tochigi Prefecture, and provides solutions for communications, medical, and industrial markets.

Seiko NPC Corporation was founded on February 27, 1975, as Nippon Precision Circuits Inc. (NPC), a semiconductor manufacturer established through investment from Daini Seikosha and Suwa Seikosha to commercialize CMOS technology. Its Shiobara factory (now Nasushiobara Office) was completed on October 15 of that year. The company initially produced PLL ICs for CB transceivers and later developed clock ICs for watches using quartz crystals, which were adopted by Seiko and other watchmakers. In 2005, it became a wholly owned subsidiary of Seiko Corporation (now Seiko Group Corporation), and in 2006 it changed its name to Seiko NPC Corporation. The company has since developed crystal oscillator ICs, sensor ICs, and other semiconductor products, and operates its own factory in Nasushiobara, Tochigi Prefecture.

Specialist in high-precision, low-power crystal oscillator ICs and sensor ICs for communications, consumer electronics, medical, and industrial applications.

• Crystal oscillator ICs

  ICs for crystal oscillators, used in various electronic devices; the company holds the world's top share in the SPXO market.

• Sensor ICs

  ICs that detect subtle changes and convert them into electrical signals.

1. 1セイコーNPC株式会社｜センサ・エンコーダ・水晶発振器用ICnpc.co.jp
2. 2沿革 | セイコーNPC株式会社npc.co.jp
3. 3製品情報 | セイコーNPC株式会社npc.co.jp
4. 4私たちについて | セイコーNPC株式会社npc.co.jp
5. 5Seiko NPCwikidata.org