Hiroatsu Inui

This inventor holds 24 USPTO granted patents, plus 1 CIPO patent and 2 EPO patents, primarily in Internal Combustion Engines. Top assignees: Honda Motor Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha, Other. Active years: 2001-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroatsu Inui. Retrieved from https://idiyas.com/inventor/hiroatsu-inui

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

USPTO Granted Patents = 24

% Patents Active = 37.5

CIPO Patents = 1

EPO Patents = 2 (Patent Applications = 1)

Average Co-Inventor Count = 2.8

ph-index = 5

Forward Citations = 81(Granted Patents)

Location History:

Saitama, JP (2003 - 2013)
Wako, JP (2001 - 2021)
Tokyo, JP (2023)

Company Filing History:

15 out of 22,006

Honda Motor Co., Ltd.

patents

8 out of 10,092

Honda Giken Kogyo Kabushiki Kaisha

patents

1 out of 834,453

Other

patents

Years Active: 2001-2023

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Areas of Expertise:

High-Pressure Fuel Pump

Oil Passageway Structure

Transmission Mechanism

Reverse Inhibitor Mechanism

Motorcycle Speed Sensor

Crankcase Structure

Clutch Release Mechanism

Lubricating Structure

Fuel Injection Valve

Cooling Structure

Oil Pump Structure

Bearing Device

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11795896 - High-pressure fuel pump (2023-10-24),

2. 11008908 - Oil passageway structure for internal combustion engines (2021-05-18),

3. 8448740 - Transmission mechanism permitting both automatic and manual transmission gear change (2013-05-28),

4. 8191443 - Reverse inhibitor mechanism for regulating automatic transmission gear shifting, and method of assembling same (2012-06-05),

5. 7823678 - Motorcycle with vehicle speed sensor (2010-11-02),

6. 7757655 - Crankcase structure for an internal combustion engine (2010-07-20),

7. 7717223 - Output shaft of power unit (2010-05-18),

8. 7673609 - Internal combustion engine (2010-03-09),

9. 7640819 - Internal combustion engine (2010-01-05),

10. 7591359 - Clutch release mechanism (2009-09-22),

11. 7578277 - Pump drive structure of water-cooled internal combustion engine (2009-08-25),

12. 7565897 - Internal combustion engine (2009-07-28),

13. 7559307 - Oil filter mounting structure in internal combustion engine (2009-07-14),

14. 7150338 - Cover supporting structure for light vehicle (2006-12-19),

15. 7134202 - Structure for transmitting power of a motorcycle engine, and a method of assembly of said structure (2006-11-14),

Title: Innovations and Contributions of Hiroatsu Inui

Introduction: Hiroatsu Inui, based in Saitama, Japan, is a notable inventor recognized for his contributions in the field of automotive engineering. With an impressive portfolio of 24 patents, he has made significant strides in developing advanced technologies for internal combustion engines.

Latest Patents: Among his recent inventions are two notable patents: a high-pressure fuel pump and an innovative oil passageway structure for internal combustion engines. The high-pressure fuel pump operates a plunger facing a cam ridge, featuring a unique cam curved surface designed with two apexes and two valley bottoms at specified cam angle intervals. This innovative design allows for improved functionality without the crossing angle being at a right angle, optimizing performance in applications. Additionally, the oil passageway structure includes a cylinder head with an inter-bearing wall fluid communication oil passage, which facilitates the easy flow of oil between multiple bearing walls. This design not only simplifies assembly but also reduces manufacturing costs and enhances productivity.

Career Highlights: Throughout his career, Hiroatsu Inui has held key positions in reputable companies such as Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His work has significantly influenced the automotive industry, contributing to the development of efficient engine technologies.

Collaborations: Inui has worked alongside talented professionals like Hiromi Sumi and Atsuo Hojyo, collaborating to drive innovative projects and enhancements within the automotive sector. These partnerships have fostered creativity and led to the development of technologies that support modern automotive requirements.

Conclusion: Hiroatsu Inui exemplifies the spirit of innovation in the engineering field, particularly in automotive design and functionality. His inventive contributions, as evidenced by his numerous patents, continue to shape the landscape of internal combustion engine technology, ensuring greater efficiency and performance in automotive applications.

Profile summary based on public USPTO records.