KYOCERA Crystal Device traces its origins back to Kinsekisha Kenkyujo.
The company split off from Kinsekisha Hosekiten, a small jewelry business in Kanda-Ogawamachi, Tokyo, for the purpose of manufacturing quartz crystal units.

1941Quartz crystal-related business split off from Kinsekisha Hosekiten and was established as an independent company in Setagaya-ku, Tokyo, under the name Kinsekisha Kenkyujo.
1942Production of quartz crystal oscillators begins.
1944Quartz crystal oscillator with electrodes developed using chemical plating.
1947Frequency fine-tuning method for quartz crystal units with electrodes developed using chemical plating.
1949Sales division split off to form Kinsekisha Co., Ltd.;
sales branches established in Azabu, Minato-ku, Tokyo and Kyoto City.
1950Kinsekisha Kenkyujo Co., Ltd. (now KYOCERA Crystal Device) established with capital of 3 million yen; Professor Hidetsugu Yagi asked to act as advisor; Company approved by Japan Ministry of Electrical Communications as manufacturer of quartz crystal oscillators.
1955"The Theory and Practice of Quartz Crystal Oscillators" by Director of Research Division Toshio Shinada, published by Ohmsha, Ltd.
1956Production of quartz crystal filters begins.
1957Successful development of "barium titanate monocrystal" with guidance from Nippon Telegraph and Telephone Corporation Electrical Communication Research Institute.
1958"Quartz Crystal Unit Pocket Book" published; experiments in growing synthetic quartz crystal successful.
1959Convex quartz crystal unit developed; GT cut quartz crystal unit delivered to Denpa Kenkyujo; Oki Electric Industry acquires 30,000 shares; phase 1 construction work at Setagaya Plant (Japan) completed; digital frequency counter developed.
1960Work on commercialization of synthetic quartz crystal growing commences.
1961Tuning fork crystal resonator developed; quartz crystal oscillator unit commercialized; factory established in Asahi City, Chiba Prefecture, Japan.
1962Digital frequency counter developed.
1963Four synthetic quartz crystal growing autoclaves installed at Asahi Plant (Japan) and production commences.
1970Success in growing lithium niobate and lithium tantalate monocrystals; construction of Komae Plant (Japan) completed; monolithic crystal filter developed.
1971Quartz crystal filter for optical use developed; quartz crystal oscillator for wristwatches developed.
1974Quartz crystal units, quartz crystal filters approved by NASDA.
1975Hokkaido Kinseki Co., Ltd. established in Mikasa City, Hokkaido Prefecture, Japan.
1976New corporate headquarters building in Komae City, Tokyo, Japan completed.
1977Corporate headquarters transferred to Komae City.
1978Temperature compensated quartz crystal oscillator using microprocessor developed.
1979Intermediate frequency block for car phone receivers developed.
Temperature compensated oscillator for car phones developed.
1980Company name changed to Kinseki Co., Ltd.
1983Kansai Branch moved to Chuo-ku, Osaka, Japan.
Yamagata Kinseki Co., Ltd. established in Higashine City, Yamagata Prefecture, Japan.
First overseas subsidiary, AMERICAN KSS INC., established in Santa Clara, California, U.S.A.
1984Mass production of CCD delay lines begins.
1985SMD ceramic package quartz crystal unit developed.
1986Company listed on Second Section of Tokyo Stock Exchange.
1988Subsidiary company KINSEKI EUROPE GmbH established in Dusseldorf, Germany.
1989Tokyo Stock Exchange listing changed to First Section.
First overseas production base KSS ELECTRONICS (THAILAND) CO., LTD. established in Chiang Mai, Thailand.
1991Headquarters offices transferred to Shin-Yurigaoka, Kawasaki City, Japan.
199250th anniversary of foundation.
1993 Extension work at KSS ELECTRIC (THAILAND) CO.,LTD. completed.
Chiba Plant (Japan) first in the Company to obtain ISO 9001 certification.
1997Second overseas production base, KSS PHILIPPINES, INC. established in Philippines.
2000Headquarters offices transferred to Komae City, Japan.
2002KYOCERA Corporation becomes majority shareholder.
2003Company becomes fully owned subsidiary of KYOCERA Corporation and is delisted from Tokyo Stock Exchange.
2004Name changed to KYOCERA KINSEKI Corporation; Kyocera's quartz crystal operations merged with those of Kyocera Kinseki;
Kagoshima Kokubu Branch, Shiga Yohkaichi Branch, Nagano Okaya Branch created. KYOCERA KINSEKI Hokkaido Corporation. Ebetsu Plant begins operations (all locations in Japan).
2006HERTZ CORPORATION located in Hachioji City, Tokyo becomes wholly-owned subsidiary of KYOCERA KINSEKI Corporation and name changed to KYOCERA KINSEKI HERTZ Corporation.
2008Tuning Fork Crystal Unit commercial production started.
2012Corporate name changed to KYOCERA Crystal Device Corporation.
2013Corporate headquarters transferred to Higashine-Shi, Yamagata.
2014KYOCERA Crystal Device Hokkaido Corporation and Kyocera's quartz crystal operations merged with those of Kyocera Crystal Device Corporation.