EPO Patents = 3

Forward Citations = 51

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13 inventors (with patents filed for the assignee):

Masao Iguchi (6 out of 6 patents)

Kanji Numao (5 out of 5 patents)

Tadayuki Shibuya (4 out of 4 patents)

4. Shintaro Masumoto (3 out of 3 patents)

5. Koji Yoshii (1 out of 18 patents)

6. Takanori Saito (1 out of 58 patents)

7. Tsutomu Kurihara (1 out of 9 patents)

8. Kazuhisa Itoh (1 out of 1 patent)

9. Fumiyoshi Kobayashi (1 out of 1 patent)

10. Satoru Nakahata (1 out of 1 patent)

11. Takuya Ookawa (1 out of 1 patent)

12. Tomoya Okamura (1 out of 1 patent)

13. Kohichiroh Sugimoto (1 out of 3 patents)

9 patents: Sort by Forward Citations

1. 10151693 - Photoelectric smoke sensor (2018-12-11),

2. 10054542 - Photoelectric smoke detector (2018-08-21),

3. 9574996 - Suction-type smoke sensing system (2017-02-21),

4. 9297753 - Photoelectric smoke sensor (2016-03-29),

5. 8821014 - Temperature sensor and heat treating apparatus (2014-09-02),

6. 8743366 - Light emission portion, photoelectric smoke sensor, and suction-type smoke sensing system (2014-06-03),

7. 7948627 - Photoelectric smoke detector (2011-05-24),

8. 7697140 - Photoelectric smoke detector (2010-04-13),

9. 7659986 - Smoke sensor and electronic equipment (2010-02-09),

Fenwal Controls of Japan, Ltd. is a leading manufacturer of reliable ignition and combustion components for a wide range of industries including commercial and residential heating systems, cooking appliances, and industrial equipment. With a strong focus on quality and innovation, Fenwal Controls delivers cutting-edge solutions to meet the needs of their customers worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

9 Patents

#1,786 in Tokyo

#4,572 in Japan

Tokyo, Japan

Fenwal Controls of Japan, Ltd.