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For the Inventor, By the Inventor

Aichi, Japan

Kazuhiro Yamada

This inventor holds 20 USPTO granted patents and 16 published patent applications and 2 EPO patents, primarily in Power Conversion Technology. Top assignees: Kabushiki Kaisha Tokai Rika Denki Seisakusho, Mitsubishi Gas Chemical Company, Inc., Mitsubishi Electric Corporation. Active years: 2001-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiro Yamada. Retrieved from https://idiyas.com/inventor/kazuhiro-yamada-ctnmcv3n

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 = 75.0

 

Average Co-Inventor Count = 2.3

ph-index = 4

Forward Citations = 38(Granted Patents)


Location History:

  • Ibaraki-ken, JP (2001 - 2002)
  • Aichi-ken, JP (2011 - 2021)
  • Aichi, JP (2008 - 2024)

Company Filing History:

goldMedal11 out of 2,031 
 
Kabushiki Kaisha Tokai Rika Denki Seisakusho
 patents
silverMedal4 out of 2,304 
 
Mitsubishi Gas Chemical Company, Inc.
 patents
bronzeMedal3 out of 16,627 
 
Mitsubishi Electric Corporation
 patents
4. 1 out of 132 
 
Kuraray Noritake Dental Inc.
 patents
5. 1 out of 2,606 
 
Ngk Spark Plug Company, Limited
 patents
6. 1 out of 58,148 
 
Sony Corporation
 patents
where one patent can have more than one assignee

Years Active: 2001-2026

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Areas of Expertise:
Power Converter
Motor Drive System
Refrigeration Cycler
Air Conditioner
Webbing Device
Elevator Control
Silicate Glass
Wireless Communication
Chemical Production
Retracting Device
Webbing Take-Up
Signal Switching Circuit
20 patents (USPTO):Explore Patents
1. 12630114 - Webbing take-up device (2026-05-19),
2. 12537471 - Power converter, motor drive system, and power conversion method (2026-01-27),
3. 12341412 - Direct-current power supply, refrigeration cycler, air conditioner, and refrigerator (2025-06-24),
4. 12240412 - Webbing winding device (2025-03-04),
5. 11873192 - Elevator door control system (2024-01-16),
6. 11787363 - Webbing take-up device (2023-10-17),
7. 11472729 - Silicate glass and dental product (2022-10-18),
8. 11097687 - Webbing retractor (2021-08-24),
9. 9694784 - Webbing take-up device (2017-07-04),
10. 9688239 - Webbing take-up device (2017-06-27),
11. 9283930 - Webbing take-up device (2016-03-15),
12. 9212023 - Webbing take-up device (2015-12-15),
13. 9205773 - Webbing take-up device (2015-12-08),
14. 8893999 - Webbing take-up device (2014-11-25),
15. 7883045 - Webbing retracting device (2011-02-08),

Title: The Innovative Journey of Kazuhiro Yamada

Introduction: Kazuhiro Yamada, a pioneering inventor hailing from Aichi-ken, Japan, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents: Kazuhiro Yamada's latest patents focus on advancements in robotics and artificial intelligence, showcasing his commitment to pushing the boundaries of innovation in these fields.

Career Highlights: With a career spanning over two decades, Kazuhiro Yamada has established himself as a leading figure in the tech industry. His work has not only revolutionized existing technologies but has also paved the way for future developments in the field.

Collaborations: Throughout his career, Kazuhiro Yamada has collaborated with top research institutions and leading tech companies to bring his inventions to life. His ability to work in multidisciplinary teams has led to the successful implementation of cutting-edge technologies.

Conclusion: In conclusion, Kazuhiro Yamada's relentless pursuit of innovation and his passion for creating technologies that shape the future make him a true visionary in the world of inventions. His work continues to inspire budding 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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