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Hochiki Corporation

USPTO Granted Patents = 197

EPO Patents = 36

Trademarks = 5

Forward Citations = 1,745

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154 inventors (with patents filed for the assignee):

Manabu Dohi (16 out of 23 patents)

Yukio Yamauchi (15 out of 18 patents)

Toshihide Tsuji (12 out of 16 patents)

4. Yasuharu Fujiwara (12 out of 12 patents)

5. Tetsuya Nagashima (11 out of 19 patents)

6. Hiroshi Shima (11 out of 24 patents)

7. Keisuke Washizu (11 out of 11 patents)

8. Isao Saeki (10 out of 10 patents)

9. Hayato Tsurumi (9 out of 10 patents)

10. Takeshi Takeuchi (8 out of 44 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 Apparatus

Disaster Prevention Apparatus

Smoke Detector

Heat Detector

Fire Alarm System

Fire Notification Facility

Electrostatic Atomizing Apparatus

Fire Monitoring System

Alarm Device

Sensor System

Fire Prevention Equipment

Light Scattering Type Smoke Detector

197 patents: Sort by Forward Citations

1. 12494113 - Disaster prevention apparatus to detect fire outbreak or gas leakage (2025-12-09),

2. 12474237 - Fire detection apparatus (2025-11-18),

3. 12430997 - Disaster prevention apparatus (2025-09-30),

4. D1093188 - Fire detector (2025-09-16),

5. 12379313 - Fire detection device (2025-08-05),

6. 12374205 - Heat detector (2025-07-29),

7. 12274904 - Fire detection apparatus (2025-04-14),

8. 12274903 - Fire detection apparatus (2025-04-14),

9. 12260725 - Fire detection apparatus (2025-03-25),

10. D1067088 - Smoke detector (2025-03-18),

11. 12235206 - Fire detection apparatus (2025-02-25),

12. D1034264 - Smoke detector cover for fire alarm (2024-07-09),

13. D1034263 - Smoke detector for fire alarm (2024-07-09),

14. 11975228 - Fire detection apparatus (2024-05-07),

15. 11911785 - Electrostatic atomizing apparatus and electrically-charged water particle spraying apparatus (2024-02-27),

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.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

197 Patents

#310 in Tokyo

#691 in Japan

#4,159 in the World

Hochiki Corporation

Forward Citations = 1,745

154 inventors:

Manabu Dohi (16 out of 23 patents)

Yukio Yamauchi (15 out of 18 patents)

Toshihide Tsuji (12 out of 16 patents)

4. Yasuharu Fujiwara (12 out of 12 patents)

5. Tetsuya Nagashima (11 out of 19 patents)

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