Tokyo, Japan

Fujikoki Corporation


USPTO Granted Patents = 232

% Expired Patents = 22.4


Trademarks = 6

Forward Citations = 1,171

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171 inventors (with patents filed for the assignee):

goldMedal Kazuhiko Watanabe (49 out of 123 patents)

silverMedal Kazuto Kobayashi (30 out of 120 patents)

bronzeMedal Masamichi Yano (29 out of 35 patents)

4.  Yusuke Arai (21 out of 54 patents)

5.  Takashi Mogi (19 out of 22 patents)

6.  Ryo Matsuda (12 out of 13 patents)

7.  Eiji Fukuda (12 out of 16 patents)

8.  Takao Harada (12 out of 12 patents)

9.  Yoshiyuki Kume (11 out of 11 patents)

10.  Takeshi Hosoya (10 out of 14 patents)

11.  Keiji Sasaki (10 out of 24 patents)

12.  Junya Hayakawa (9 out of 11 patents)

13.  Tatsuya Yoshida (9 out of 58 patents)

14.  Masayuki Imai (9 out of 18 patents)

15.  Kenichi Mochizuki (8 out of 14 patents)


Core Competencies:
Electric Valve
Motor Valve
Control Device
Expansion Valve
Electrically Operated Valve
Pulsation Damper
Flow Path Switching
Variable-Capacity Compressor

232 patents:

Fujikoki Corporation, headquartered in Tokyo, Japan, specializes in the development and manufacturing of advanced electric valve technology. The company focuses on a range of products including electric valves, motor valves, control devices, and expansion valves, catering to various industrial applications. With a commitment to innovation, Fujikoki also delves into the design of electrically operated valves, pulsation dampers, and flow path switching mechanisms, contributing significantly to the efficiency of variable-capacity compressors and related systems.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

232 Patents

#317 in Tokyo

#635 in Japan

#3,697 in the World

Tokyo, JP
Tokyo, Japan
Forward Citations = 1,171

171 inventors:

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