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For the Inventor, By the Inventor

Tokyo, Japan

Hochiki Corporation


USPTO Granted Patents = 198

% Expired Patents = 13.1


Trademarks = 3

Forward Citations = 1,791

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153 inventors (with patents filed for the assignee):

goldMedal Manabu Dohi (16 out of 23 patents)

silverMedal Yukio Yamauchi (15 out of 18 patents)

bronzeMedal Toshihide Tsuji (12 out of 16 patents)

4.  Keisuke Washizu (12 out of 12 patents)

5.  Yasuharu Fujiwara (12 out of 12 patents)

6.  Tetsuya Nagashima (11 out of 19 patents)

7.  Hiroshi Shima (11 out of 24 patents)

8.  Isao Saeki (10 out of 10 patents)

9.  Takeshi Takeuchi (9 out of 47 patents)

10.  Hayato Tsurumi (9 out of 10 patents)

11.  Hidenari Matsukuma (8 out of 9 patents)

12.  Sadataka Yuchi (8 out of 12 patents)

13.  Hideki Takano (7 out of 18 patents)

14.  Yoshitaka Egawa (7 out of 61 patents)

15.  Hiroshi Honma (7 out of 20 patents)


Core Competencies:
Fire Detection
Smoke Detector
Heat Detector
Fire Alarm System
Disaster Prevention
Alarm Device
Fire Monitoring
Electrostatic Atomizing
Fire Notification
Scattered Light Detection
Fire Prevention Equipment
Sensor System

198 patents:

1. 12656229 - Fire detection apparatus (2026-06-16),
2. 12494113 - Disaster prevention apparatus to detect fire outbreak or gas leakage (2025-12-09),
3. 12474237 - Fire detection apparatus (2025-11-18),
4. 12430997 - Disaster prevention apparatus (2025-09-30),
5. D1093188 - Fire detector (2025-09-16),
6. 12379313 - Fire detection device (2025-08-05),
7. 12374205 - Heat detector (2025-07-29),
8. 12274904 - Fire detection apparatus (2025-04-14),
9. 12274903 - Fire detection apparatus (2025-04-14),
10. 12260725 - Fire detection apparatus (2025-03-25),
11. D1067088 - Smoke detector (2025-03-18),
12. 12235206 - Fire detection apparatus (2025-02-25),
13. D1034264 - Smoke detector cover for fire alarm (2024-07-09),
14. D1034263 - Smoke detector for fire alarm (2024-07-09),
15. 11975228 - Fire detection apparatus (2024-05-07),
HOCHIKI CORPORATION is a leading global manufacturer of-industrial fire protection and life safety solutions. With over 100 years of manufacturing experience, we design and provide innovative products and systems to protect people and property from the risk of fire. Our wide range of products includes fire detection and alarm systems, emergency lighting, extinguishing systems, and voice evacuation systems.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

Hochiki Corporation
198 Patents

#351 in Tokyo

#703 in Japan

#4,257 in the World

Tokyo, JP
Tokyo, Japan

Hochiki Corporation

Forward Citations = 1,791

153 inventors:

goldMedal Manabu Dohi (16 out of 23 patents)

silverMedal Yukio Yamauchi (15 out of 18 patents)

bronzeMedal Toshihide Tsuji (12 out of 16 patents)

4.  Keisuke Washizu (12 out of 12 patents)

5.  Yasuharu Fujiwara (12 out of 12 patents)

Please report any incorrect information to [email protected]
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