logo

For the Inventor, By the Inventor

Saitama, Japan

Toshio Yamamoto

This inventor holds 20 USPTO granted patents and 1 EPO patent, primarily in Internal Combustion Engines. Top assignees: Honda Motor Co., Ltd., Nippon Steel Corporation, Honda Giken Kogyo Kabushiki Kaisha. Active years: 1991-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Yamamoto. Retrieved from https://idiyas.com/inventor/toshio-yamamoto-tix549vn

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

Calculating rank
USPTO Granted Patents = 20

% Patents Active = 65.0

 

Average Co-Inventor Count = 2.5

ph-index = 7

Forward Citations = 233(Granted Patents)


Location History:

  • Tokyo, JP (1991 - 2001)
  • Wako, JP (2008)
  • Saitama, JP (1997 - 2013)

Company Filing History:

goldMedal9 out of 22,925 
 
Honda Motor Co., Ltd.
 patents
silverMedal5 out of 3,724 
 
Nippon Steel Corporation
 patents
bronzeMedal3 out of 10,092 
 
Honda Giken Kogyo Kabushiki Kaisha
 patents
4. 3 out of 5,729 
 
Olympus Optical Company, Ltd.
 patents
5. 1 out of 39,378 
 
Fujitsu Corporation
 patents
6. 1 out of 83 
 
Towa Corporation
 patents
where one patent can have more than one assignee

Years Active: 1991-2013

Loading Chart...
Loading Chart...
Areas of Expertise:
Internal Combustion Engine
Valve Actuating Mechanism
Engine Structure
Semiconductor Module
Integrated Circuit
Water-Cooled Engine
Motorcycle Design
Antenna Element
Grain Yield Genes
Optical System
Thermal Management
Film Carrier
20 patents (USPTO):Explore Patents
1. 8590511 - Intake passage structure for internal combustion engine, and engine and vehicle incorporating same (2013-11-26),
2. 7966982 - Fixation structure for valve system rotation shaft of internal combustion engine (2011-06-28),
3. 7938089 - Valve actuating mechanism for an internal combustion engine, and cylinder head incorporating same (2011-05-10),
4. 7934476 - Valve-actuating system for an internal combustion engine, engine incorporating same, and method of using same (2011-05-03),
5. 7913658 - Valve actuating mechanism for an internal combustion engine, and cylinder head incorporating same (2011-03-29),
6. 7845325 - Valve actuating mechanism for an internal combustion engine, and engine incorporating same (2010-12-07),
7. 7669573 - Scooter type vehicle (2010-03-02),
8. 7438040 - Low floor type motorcycle (2008-10-21),
9. 7417180 - Genes for increasing grain yield and uses thereof (2008-08-26),
10. 6236366 - Hermetically sealed semiconductor module composed of semiconductor integrated circuit and antenna element (2001-05-22),
11. 6135066 - Water-cooled four cycle engine (2000-10-24),
12. 5955752 - Semiconductor module having antenna element therein (1999-09-21),
13. 5645022 - Engine valve drive control device (1997-07-08),
14. 5362984 - Semiconductor device with jumping wire (1994-11-08),
15. 5357915 - Valve system for internal combustion engine (1994-10-25),

Title: **Toshio Yamamoto: Innovator in Engine Technology**

Introduction

Toshio Yamamoto is a prominent inventor based in Saitama, Japan, known for his significant contributions to internal combustion engine technology. With a remarkable portfolio of 20 patents, his work continues to impact the automotive industry, enhancing efficiency and performance.

Latest Patents

Among his latest inventions, Toshio has developed an innovative intake passage structure for internal combustion engines. This design features a cylinder head that is formed integrally with an intake manifold portion, ensuring that the cylinder central axis aligns parallel with the intake passage direction. Notably, the injector is strategically arranged to avoid interference with surrounding components, thus optimizing engine performance.

Additionally, Toshio has patented a fixation structure for the valve system rotation shaft of an internal combustion engine. This design supports a camshaft using a lower cam holder and cam caps, independent from the cylinder head, which reduces production costs and improves the overall structural integrity of the engine. The construction of the head external wall is tailored to enhance the connection and support of the lower cam holder, streamlining the engine design.

Career Highlights

Toshio Yamamoto's career includes valuable experiences at notable companies such as Honda Motor Co., Ltd. and Nippon Steel Corporation. His work has been critical in advancing engine technology, reflecting his deep understanding of mechanical engineering principles.

Collaborations

Throughout his career, Toshio has collaborated with esteemed colleagues including Naoharu Ohikata and Masashi Konda. These partnerships have contributed to the development of cutting-edge technologies in the field, fostering innovation and driving forward advancements in internal combustion engines.

Conclusion

Toshio Yamamoto stands out as a distinguished inventor whose contributions through numerous patents are shaping the future of automotive engineering. His innovative solutions for internal combustion engine design are not only enhancing performance but also promoting greater efficiency within the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…