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For the Inventor, By the Inventor

Tokyo, Japan

Takahiro Yamazaki

This inventor holds 46 USPTO granted patents and 7 published patent applications and 24 EPO patents, primarily in Internal Combustion Engines. Top assignees: Yamabiko Corporation, Nippon Telegraph and Telephone Corporation, Ntt Docomo, Inc.. Active years: 2003-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahiro Yamazaki. Retrieved from https://idiyas.com/inventor/takahiro-yamazaki

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

USPTO Granted Patents = 46 

% Patents Active = 73.9

 

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 55(Granted Patents)


Location History:

  • Kanagawa, JP (2008 - 2009)
  • Yokohama, JP (2010 - 2013)
  • Akishima, JP (2013 - 2018)
  • Ohme, JP (2018)
  • Chiyoda-ku, JP (2016 - 2019)
  • Musashino, JP (2022 - 2023)
  • Tokyo, JP (2003 - 2024)

Company Filing History:

goldMedal22 out of 180 
 
Yamabiko Corporation
 patents
silverMedal8 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
bronzeMedal5 out of 4,938 
 
Ntt Docomo, Inc.
 patents
4. 5 out of 28,940 
 
Ricoh Company, Ltd.
 patents
5. 1 out of 435 
 
Kioritz Corporation
 patents
6. 1 out of 244 
 
Mitsui Engineering and Shipbuilding Company Limited
 patents
7. 1 out of 2,467 
 
Nsk Corporation
 patents
8. 1 out of 21 
 
Oppama Industry Co., Ltd
 patents
9. 1 out of 585 
 
Panasonic Intellectual Property Managment Co., Ltd.
 patents
10. 1 out of 1 
 
Rise Pit Company Co., Ltd.
 patent
11. 1 out of 25,954 
 
Sharp Kabushiki Kaisha Corporation
 patents
12. 1 out of 180 
 
Shibaura Mechatronics Corporation
 patents
13. 1 out of 1,703 
 
Toshiba Electronic Devices & Storage Corporation
 patents
14. 1 out of 12 
 
Z Ama Japan Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2003-2026

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Areas of Expertise:
Gas Engine
Power Generation
Two-Stroke Engine
Stratified Scavenging
Communication Control
Wireless Communication
Mobile Communication
Carburetor
Engine Management
Engine Working Machine
Air Cleaner
Droplet Applying Device
46 patents (USPTO):Explore Patents
1. D1139347 - Portion of a display screen with graphical user interface (2026-08-04),
2. 12631152 - Fueling time based on engine speed and temperature (2026-05-19),
3. 11973404 - Gas engine power generation system (2024-04-30),
4. 11913371 - Air-leading type stratified scavenging two-stroke internal combustion engine, and engine working machine (2024-02-27),
5. 11877199 - Base station management method, base station management apparatus and program (2024-01-16),
6. 11835022 - Engine working apparatus (2023-12-05),
7. 11828221 - Schnuerle scavenging two-stroke engine (2023-11-28),
8. 11617070 - Communication control device, communication control method and communication control system (2023-03-28),
9. 11549430 - Two-stroke engine (2023-01-10),
10. 11546868 - Wireless communication method, control device, terminal and wireless communication system (2023-01-03),
11. 11438890 - Wireless communication method, wireless communication device and wireless communication system for slot allocation (2022-09-06),
12. 11432179 - Environment information acquisition method, environment information acquisition apparatus and environment information acquisition system (2022-08-30),
13. 11419113 - Wireless communication method, control device and wireless communication system (2022-08-16),
14. 11412445 - Access point management method, access point management apparatus, and access point management system (2022-08-09),
15. 11395324 - Wireless communication method, wireless communication system and base station device (2022-07-19),

Title: **Takahiro Yamazaki: Innovator in Gas Engine Technology**

Introduction

Takahiro Yamazaki, based in Tokyo, Japan, is a notable inventor with a remarkable portfolio that includes 39 patents. His innovative contributions primarily focus on advancements in gas engine power generation systems and internal combustion engine technologies.

Latest Patents

Yamazaki's latest inventions include a sophisticated gas engine power generation system, which comprises various components such as a gas engine, alternating-current electricity generator, cooling and exhaust systems, an engine control unit, battery, and inverter. This system is designed to operate multiple electricity generating units independently while managing operations through a total control unit that optimizes power output.

Additionally, he developed an air-leading type stratified scavenging two-stroke internal combustion engine. This engine features an integrated air passage for efficient fuel supply control based on real-time sensor data, enhancing operational efficiency beyond just starting and idling conditions.

Career Highlights

Throughout his career, Takahiro has worked with reputable companies such as Yamabiko Corporation and Nippon Telegraph and Telephone Corporation (NTT). His work has significantly influenced the field of gas engines and internal combustion technologies, leading to greater efficiency and performance.

Collaborations

During his tenure, Yamazaki has collaborated with talented professionals like Atsushi Taniguchi and Kenji Shimizu. These partnerships have fostered a creative environment that has driven his innovative projects and advancements in engine technology.

Conclusion

Takahiro Yamazaki's dedication to innovation in gas engine technologies is reflected in his numerous patents and impactful collaborations. His work will continue to influence the engineering field and inspire future advancements in energy generation and efficiency.

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]
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