Tadafumi Hirose

This inventor holds 16 USPTO granted patents, plus 6 CIPO patents and 6 EPO patents. Top assignees: Honda Motor Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha. Active years: 1997-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadafumi Hirose. Retrieved from https://idiyas.com/inventor/tadafumi-hirose

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

USPTO Granted Patents = 16

% Patents Active = 68.8

CIPO Patents = 6

EPO Patents = 6 (Patent Applications = 1)

Average Co-Inventor Count = 2.5

ph-index = 12

Forward Citations = 376(Granted Patents)

Location History:

Saitama, JP (2007 - 2010)
Wako, JP (1997 - 2022)

Company Filing History:

10 out of 22,006

Honda Motor Co., Ltd.

patents

6 out of 10,092

Honda Giken Kogyo Kabushiki Kaisha

patents

Years Active: 1997-2022

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11377991 - Muffler device (2022-07-05),

2. 8328207 - Engine generator (2012-12-11),

3. 8210133 - Engine-driven power generator apparatus (2012-07-03),

4. 8178985 - Engine generator (2012-05-15),

5. 8066788 - Engine generator (2011-11-29),

6. 7743739 - Engine-driven generator (2010-06-29),

7. 7705478 - Engine-driven generator (2010-04-27),

8. 7597340 - Engine-driven work machine (2009-10-06),

9. 7430992 - Engine-driven work machine (2008-10-07),

10. 7300322 - Outboard motor (2007-11-27),

11. 6378468 - Engine operated machine (2002-04-30),

12. 6039009 - Engine-operated generator (2000-03-21),

13. 6028369 - Engine-operated generator (2000-02-22),

14. 5977667 - Engine-operated generator (1999-11-02),

15. 5962939 - Outer-rotor type engine-operated generator (1999-10-05),

Title: Tadafumi Hirose: Innovator in Generator Technology

Introduction

Tadafumi Hirose is a notable inventor based in Wako, Japan, recognized for his contributions to generator technology. With a total of 16 patents to his name, Hirose has developed innovative solutions that enhance the efficiency and compactness of generator systems.

Latest Patents

Hirose's latest patents include a muffler device designed to be lightweight and compact, suitable for installation in limited spaces within generators. This muffler features a vertically disposed casing with trapezoidal top and bottom covers, allowing for a larger inner capacity while maintaining a compact size. This design not only reduces manufacturing costs but also minimizes weight. Additionally, he has developed an engine generator that is movable on left and right wheels. The engine's cylinder is inclined upwards towards the axle, lowering the center of gravity and stabilizing the generator during travel.

Career Highlights

Throughout his career, Tadafumi Hirose has worked with prominent companies such as Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has significantly influenced his innovative approach to engineering and design.

Collaborations

Hirose has collaborated with talented individuals in the field, including Takao Kobayashi and Toshifumi Kouchi. These partnerships have contributed to the development of his groundbreaking inventions.

Conclusion

Tadafumi Hirose's work exemplifies the spirit of innovation in generator technology, showcasing his ability to create efficient and compact solutions. His contributions continue to impact the industry positively.

Profile summary based on public USPTO records.