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For the Inventor, By the Inventor

Osaka, Japan

Masahiro Yamamoto

This inventor holds 72 USPTO granted patents and 15 published patent applications and 16 EPO patents, primarily in Cutting Tools (CPC class B23C). Top assignees: Panasonic Corporation, Kyocera Corporation, Matsushita Electric Industrial Co., Ltd.. Active years: 1989-2025.

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

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

USPTO Granted Patents = 72 

% Patents Active = 76.4

 

Average Co-Inventor Count = 2.1

ph-index = 12

Forward Citations = 521(Granted Patents)

Forward Citations (Not Self Cited) = 501(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kokubu, JP (1989)
  • Nara, JP (1995)
  • 26-1 Kamoike-shinmachi, Kagoshima-shi, Kagoshima-ken, JP (2003)
  • Kagoshima-shi, Kagoshima-ken, JP (2003 - 2004)
  • Yamatokoriyama, JP (2005)
  • Takatsuki, JP (2003 - 2012)
  • Kobe, JP (2010 - 2012)
  • Moriyama, JP (2016 - 2020)
  • Osaka, JP (2000 - 2021)
  • Sakai, JP (1993 - 2022)
  • Kyoto, JP (1989 - 2024)
  • Ritto, JP (2023 - 2024)

Company Filing History:

goldMedal17 out of 16,454 
 
Panasonic Corporation
 patents
silverMedal13 out of 6,913 
 
Kyocera Corporation
 patents
bronzeMedal11 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
4. 5 out of 1,123 
 
Screen Holdings Co., Ltd.
 patents
5. 4 out of 1,306 
 
Dainippon Screen Mfg. Co., Ltd.
 patents
6. 4 out of 2,902 
 
Kubota Corporation
 patents
7. 3 out of 4,487 
 
Daikin Industries, Ltd.
 patents
8. 3 out of 394 
 
Panasonic Electric Works Co., Ltd.
 patents
9. 2 out of 278 
 
Hitachi Zosen Corporation
 patents
10. 1 out of 1,328 
 
Japan Science and Technology Agency
 patents
11. 1 out of 1 
 
Panasonic Avc Networks Kuala Lumpur Malaysia Sdn. Bhd.
 patent
12. 1 out of 13,338 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents
13. 1 out of 3 
 
Yokoyama Sankoh Co., Ltd.
 patents
14. 7 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1989-2025

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Areas of Expertise:
Cutting Insert
Cutting Tool
Substrate Processing
High-Pressure Discharge Lamp
Power Conversion
Image Display Device
Sputtering Apparatus
Heating Apparatus
Operation Lever
Manufacturing Method
Lighting Method
Dual Wiring System
72 patents (USPTO):Explore Patents
1. 12257638 - Cutting insert, cutting tool and method for manufacturing machined product (2025-03-25),
2. 12244254 - Power conversion device (2025-03-04),
3. 12117218 - Air conditioner (2024-10-15),
4. 12045037 - Substrate processing apparatus, substrate processing system, and substrate processing method (2024-07-23),
5. 11969808 - Cutting tool and method for manufacturing machined product (2024-04-30),
6. 11833595 - Cutting insert, cutting tool, and method for manufacturing machined product (2023-12-05),
7. 11822318 - Substrate processing apparatus, substrate processing system, and substrate processing method (2023-11-21),
8. 11413955 - Working machine (2022-08-16),
9. 10909908 - Image display device (2021-02-02),
10. 10804122 - Substrate heating apparatus, substrate heating method and method of manufacturing electronic device (2020-10-13),
11. 10541163 - Substrate processing method and substrate processing apparatus (2020-01-21),
12. 10537947 - Cutting tool and method for manufacturing cut workpiece (2020-01-21),
13. 10478901 - Cutting insert, cutting tool, and method of manufacturing machined product (2019-11-19),
14. 10456847 - Cutting tool and method for manufacturing machined product (2019-10-29),
15. 10442016 - Cutting insert, cutting tool, and method of manufacturing machined product (2019-10-15),

Title: Inventor Masahiro Yamamoto

Introduction: Masahiro Yamamoto is a renowned inventor based in Osaka, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Masahiro Yamamoto holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative mindset and forward-thinking approach.

Career Highlights: With over two decades of experience in the industry, Masahiro Yamamoto has worked for leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in the field.

Collaborations: Throughout his career, Masahiro Yamamoto has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge exchange.

Conclusion: Masahiro Yamamoto's passion for innovation and his relentless pursuit of technological excellence continue to inspire the next generation of inventors and researchers worldwide.

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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