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For the Inventor, By the Inventor

Kyoto, Japan

Kanken Techno Co., Ltd.


USPTO Granted Patents = 11

% Expired Patents = 27.3


Forward Citations = 63

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19 inventors (with patents filed for the assignee):

goldMedal Hiroshi Imamura (11 out of 11 patents)

silverMedal Tsutomu Tsukada (3 out of 3 patents)

bronzeMedal Michihiko Yanagisawa (2 out of 2 patents)

4.  Hiroaki Kaneshiro (2 out of 2 patents)

5.  Hiroaki Takeuchi (1 out of 26 patents)

6.  Masashi Maeda (1 out of 1 patent)

7.  Akihisa Yoshida (1 out of 1 patent)

8.  Hideki Okamoto (1 out of 1 patent)

9.  Osamu Hamakawa (1 out of 1 patent)

10.  Shunsuke Yanai (1 out of 1 patent)

11.  Hiroki Kuzuoka (1 out of 1 patent)

12.  Isamu Nagai (1 out of 3 patents)

13.  Takashi Kataoka (1 out of 1 patent)

14.  Koji Ishikawa (1 out of 2 patents)

15.  Akira Moriya (1 out of 1 patent)


11 patents:

1. 12161964 - Cylindrical heating unit and exhaust gas processing device including the cylindrical heating unit (2024-12-10),
2. 11504669 - Method for exhaust gas abatement under reduced pressure and apparatus therefor (2022-11-22),
3. 10617997 - Apparatus for exhaust gas abatement under reduced pressure (2020-04-14),
4. 9937467 - Exhaust gas processing device (2018-04-10),
5. 9120072 - Ammonia detoxification device (2015-09-01),
6. 7976807 - Method for detoxifying HCD gas and apparatus therefor (2011-07-12),
7. 7005117 - Method for removing harmful components in an exhaust gas (2006-02-28),
8. 6482367 - Method and apparatus for removing harmful components in an exhaust gas (2002-11-19),
9. 6126906 - Apparatus for removing harmful components in a semiconductor exhaust gas (2000-10-03),
10. 5716428 - Method for removing harmful substances of exhaust gas discharged from (1998-02-10),
11. 5649985 - Apparatus for removing harmful substances of exhaust gas discharged from (1997-07-22),
Company Overview
Kanken Techno Co., Ltd., based in Kyoto, Japan, specializes in advanced technology solutions, focusing on the development and manufacturing of high-quality electronic components and systems. The company is recognized for its expertise in various domains, including automation technology, sensor systems, and precision measurement instruments. Kanken Techno is committed to innovation and quality, serving a diverse range of industries with cutting-edge products that enhance operational efficiency and reliability.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

11 Patents

#113 in Kyoto 615-0031

#4,139 in Japan

#51,801 in the World

Kyoto, JP
Kyoto, Japan

Kanken Techno Co., Ltd.

Forward Citations = 63

19 inventors:

goldMedal Hiroshi Imamura (11 out of 11 patents)

silverMedal Tsutomu Tsukada (3 out of 3 patents)

bronzeMedal Michihiko Yanagisawa (2 out of 2 patents)

4.  Hiroaki Kaneshiro (2 out of 2 patents)

5.  Hiroaki Takeuchi (1 out of 26 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kanken Techno Co., Ltd.. Retrieved from https://idiyas.com/company/kanken-techno-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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