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For the Inventor, By the Inventor

Hitachi, Japan

Hiromichi Yamada

This inventor holds 72 USPTO granted patents and 7 published patent applications and 8 EPO patents, primarily in Microcontroller Technology (CPC class G06F). Top assignees: Hitachi, Ltd., Renesas Electronics Corporation, Hitachi Medical Corporation. Active years: 1982-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromichi Yamada. Retrieved from https://idiyas.com/inventor/hiromichi-yamada

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 = 70.8

 

Average Co-Inventor Count = 4.6

ph-index = 13

Forward Citations = 1,021(Granted Patents)

Forward Citations (Not Self Cited) = 1,005(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Shimomaruko, Ohta-ku, Tokyo, JP (1999)
  • Fukuoka, JP (1990 - 2003)
  • Hadano, JP (1997 - 2003)
  • Hatano, JP (1998 - 2003)
  • Hino, JP (1982 - 2006)
  • Hitachi, JP (1995 - 2016)
  • Tokyo, JP (2000 - 2023)

Company Filing History:

goldMedal32 out of 42,726 
 
Hitachi, Ltd.
 patents
silverMedal14 out of 7,651 
 
Renesas Electronics Corporation
 patents
bronzeMedal10 out of 900 
 
Hitachi Medical Corporation
 patents
4. 5 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
5. 4 out of 3,781 
 
Renesas Technology Corp.
 patents
6. 2 out of 87 
 
Kasei Optonix, Ltd.
 patents
7. 1 out of 997 
 
Brother Industries, Ltd.
 patents
8. 1 out of 248 
 
Hitachi Car Engineering Co., Ltd.
 patents
9. 1 out of 162 
 
Hitachi Engineering Co., Ltd.
 patents
10. 1 out of 2,333 
 
Hitachi Metals, Ltd.
 patents
11. 1 out of 177 
 
Mitsubishi Electric Engineering Company, Limited
 patents
12. 1 out of 2 
 
Yamada Atomizer Company Limited
 patents
13. 10 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1982-2023

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Areas of Expertise:
Microcontroller
Semiconductor Device
Control System
Data Processor
Communication System
Error Correction
Integrated Circuit
Graphics Processing
Radiation Detector
Logic Compound
Sensor Device
Resin-Sealing Mold
72 patents (USPTO):Explore Patents
1. 11567143 - Partial discharge determination device and method (2023-01-31),
2. 10521374 - Semiconductor integrated circuit device and method for comparing data (2019-12-31),
3. 10318376 - Integrated circuit and programmable device (2019-06-11),
4. 10243568 - Semiconductor device, control system, and synchronization method (2019-03-26),
5. 10095570 - Programmable device, error storage system, and electronic system device (2018-10-09),
6. 10045095 - Communication processing device, communication method, and communication system (2018-08-07),
7. 9367438 - Semiconductor integrated circuit and method for operating same (2016-06-14),
8. 9323595 - Microcontroller, control device and determination method (2016-04-26),
9. 9229830 - Semiconductor integrated circuit device and microcontroller (2016-01-05),
10. 9063907 - Comparison for redundant threads (2015-06-23),
11. 8839029 - Multi-core microcontroller having comparator for checking processing results (2014-09-16),
12. 8639905 - Microcontroller and electronic control unit (2014-01-28),
13. 8589612 - Computer system including an interrupt controller (2013-11-19),
14. 8433955 - Multi-core microcontroller having comparator for checking processing result (2013-04-30),
15. 8291188 - Microcontroller and electronic control unit (2012-10-16),

Title: Hiromichi Yamada - Pioneering Inventor from Hitachi, Japan

Introduction: Hiromichi Yamada is a renowned inventor hailing from Hitachi, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hiromichi Yamada holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With over two decades of experience in the tech industry, Hiromichi Yamada has worked with leading companies such as Hitachi Ltd., spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Throughout his career, Hiromichi Yamada has collaborated with top researchers, engineers, and scientists from around the world, fostering a culture of innovation and knowledge sharing to drive progress in the tech sector.

Conclusion: Hiromichi Yamada's passion for innovation, coupled with his technical expertise and collaborative spirit, has solidified his reputation as a trailblazer in the world of technology, inspiring future generations of inventors and innovators.

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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