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Figaro Engineering Inc.

USPTO Granted Patents = 46

% Expired Patents = 8.7

CIPO Patents = 1

EPO Patents = 6

Trademarks = 2

Forward Citations = 302

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87 inventors (with patents filed for the assignee):

Tomohiro Inoue (10 out of 103 patents)

Kuniyuki Izawa (7 out of 7 patents)

Kenichi Yoshioka (5 out of 5 patents)

4. Yuki Fujimori (4 out of 4 patents)

5. Masakazu Sai (4 out of 4 patents)

6. Hideki Okoshi (4 out of 4 patents)

7. Yoshihiro Yamamoto (3 out of 3 patents)

8. Junpei Furuno (3 out of 3 patents)

9. Masato Takeuchi (3 out of 3 patents)

10. Yoshinobu Matsuura (3 out of 3 patents)

11. Katsuyuki Tanaka (3 out of 3 patents)

12. Yuki Kato (2 out of 3 patents)

13. Takeshi Nakahara (2 out of 2 patents)

14. Kazunari Kaneyasu (2 out of 2 patents)

15. Tomohiro Kawaguchi (2 out of 2 patents)

Core Competencies:

Gas Sensor

Electrochemical Sensor

Gas Detection Method

Infrared Light Absorbent

Proton Conductor

Gas Detection Device

Liquid Electrochemical

Self-Diagnostic Method

CO Sensor

Gas Detector

Gas Detection Apparatus

Metal-Oxide Semiconductor

46 patents: Sort by Forward Citations

1. 12566130 - Infrared light absorbent body, and gas sensor provided with infrared light absorbent body (2026-03-03),

2. 12078606 - Gas sensor (2024-09-03),

3. 11977007 - Gas detection device and gas detection method (2024-05-07),

4. 11940432 - Gas detector (2024-03-26),

5. 11698356 - Gas detection device and gas detection method using metal-oxide semiconductor gas sensor (2023-07-11),

6. 11638895 - Gas sensor and method for producing same (2023-05-02),

7. 11567021 - Gas detection device and gas detection method (2023-01-31),

8. 11506622 - Gas detector comprising plural gas sensors and gas detection method thereby (2022-11-22),

9. 11385195 - Gas detector and gas detection method (2022-07-12),

10. 10976280 - Electrochemical gas sensor (2021-04-13),

11. 10712305 - Gas detection apparatus having an electrochemical gas sensor and gas detection method thereby (2020-07-14),

12. 9939404 - CO sensor having electromotive force response (2018-04-10),

13. 9182366 - Gas detection apparatus and gas detection method (2015-11-10),

14. 8815065 - Electrochemical gas sensor and mounting structure therefor (2014-08-26),

15. 8736274 - Method and apparatus for diagnosing electrochemical sensor (2014-05-27),

Figaro Engineering Inc., based in Osaka, Japan, specializes in the development and manufacturing of advanced gas sensing technologies. The company focuses on various types of gas sensors, including electrochemical and proton conductor sensors, which are integral for applications in gas detection devices and methods. Figaro's innovations extend to self-diagnostic methods and air conditioner control devices, positioning the company as a key player in the gas detection industry, committed to enhancing safety and environmental monitoring.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

46 Patents

#193 in Osaka

#1,803 in Japan

#15,096 in the World

Figaro Engineering Inc.

Forward Citations = 302

87 inventors:

Tomohiro Inoue (10 out of 103 patents)

Kuniyuki Izawa (7 out of 7 patents)

Kenichi Yoshioka (5 out of 5 patents)

4. Yuki Fujimori (4 out of 4 patents)

5. Masakazu Sai (4 out of 4 patents)

Please report any incorrect information to [email protected]

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