Nihon Dempa Kogyo Co., Ltd. - Semiconductor Business -Macnica

Nippon Dempa Kogyo Co., Ltd.

NIHON DEMPA KOGYO CO., LTD.

Nippon Dempa Kogyo Co., Ltd. (commonly known as NDK) is a manufacturer specializing in quartz devices, founded in April 1948 and headquartered in Sasazuka, Shibuya-ku, Tokyo. The company begins with growing artificial quartz, and then uses that material to manufacture and sell a full range of quartz-related products, including quartz crystal units, quartz oscillators, and quartz filters.
As demand increases in a wide range of fields, including automotive electrification, communications (5G and IoT), and space and medical equipment, our products are gaining a stronger presence in the market as highly reliable and high-precision frequency control components.

analog clock

Main products

Crystal unit/crystal oscillator

We are a frequency control device manufacturer that offers integrated production of everything from artificial quartz crystals to quartz crystal units and crystal oscillators.We offer a wide range of products, from ultra-compact products to highly reliable products for automotive use and high-precision products for communications and IoT, and provide a product portfolio that meets a variety of applications.

Main products

crystal oscillator
crystal oscillator

Manufacturer basic information


company name	NIHON DEMPA KOGYO CO., LTD.
main office location	Merkmal Keio Sasazuka, 1-47-1 Sasazuka, Shibuya-ku, Tokyo
Established	April 1948
Number of Employees	674 employees, Group 2,334 employees (as of March 31, 2025)
Company Overview	Nippon Dempa Kogyo Co., Ltd. (commonly known as NDK) was founded in April 1948 and is a manufacturer specializing in quartz devices, with its head office in Sasazuka, Shibuya-ku, Tokyo. The company starts with growing artificial quartz crystals and then uses them to manufacture and sell a full range of quartz-related products, including quartz crystal units, quartz crystal oscillators, and quartz crystal filters.
website	https://www.ndk.com/jp/