Ichimaru Giken Co., Ltd.

Calculating rank

USPTO Granted Patents = 15

% Expired Patents = 20.0

Forward Citations = 54

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3 inventors (with patents filed for the assignee):

Hironobu Ichimaru (14 out of 14 patents)

Kazunori Tsutsumi (1 out of 1 patent)

Tuneichi Ichimaru (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 9427924 - Direct acting mechanism of tire curing device and central mechanism of tire curing device (2016-08-30),

2. 8025494 - Tire vulcanizer (2011-09-27),

3. 7740462 - Tire vulcanizer (2010-06-22),

4. 7661944 - Tire vulcanizing device (2010-02-16),

5. 7371060 - Mold-attaching/detaching device in tire-vulcanizing machine (2008-05-13),

6. 7261531 - Fluid supply/discharge head of bladder in tire vulcanizing machine (2007-08-28),

7. 7238013 - Gas cycle apparatus for tire vulcanizer (2007-07-03),

8. 7217111 - Tire vulcanizing apparatus (2007-05-15),

9. 7156629 - Piping structure in tire vulcanizing machine (2007-01-02),

10. 7001164 - Locking and unlocking mechanism of post-curing inflator (2006-02-21),

11. 6971628 - Direct-acting electric operated valve (2005-12-06),

12. 6890165 - Tire catching device of post-vulcanization inflating device (2005-05-10),

13. 6729865 - Tire vulcanizing machine (2004-05-04),

14. 6554597 - Tire vulcanizing machine (2003-04-29),

15. 4621656 - Piston operated valve (1986-11-11),

Company Overview

Ichimaru Giken Co., Ltd. is a Japanese company based in Chikugo, specializing in the development and manufacturing of advanced measurement and analysis equipment. The organization focuses on providing innovative solutions for various industries, including environmental monitoring and quality control. With a commitment to research and technology, Ichimaru Giken plays a significant role in enhancing precision and reliability in measurement processes, catering to both domestic and international markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

15 Patents

#1 in Chikugo

#3,448 in Japan

#39,991 in the World

Chikugo, Japan