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For the Inventor, By the Inventor

Fuchu, Japan

Hirotaka Nishizawa

This inventor holds 77 USPTO granted patents and 6 published patent applications, primarily in IC Card Technology (CPC class H01L). Top assignees: Renesas Technology Corp., Hitachi Ulsi Systems Co., Ltd., Hitachi, Ltd.. Active years: 1988-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotaka Nishizawa. Retrieved from https://idiyas.com/inventor/hirotaka-nishizawa

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

Calculating rank
USPTO Granted Patents = 77 

% Patents Active = 48.1

Average Co-Inventor Count = 4.9

ph-index = 25

Forward Citations = 1,808(Granted Patents)

Forward Citations (Not Self Cited) = 1,694(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Ome, JP (1988)
  • Akishima, JP (1991 - 1995)
  • Kokubunji, JP (1994 - 2006)
  • Tokyo, JP (2006 - 2008)
  • Fuchu, JP (2002 - 2011)
  • Fchu, JP (2002 - 2011)

Company Filing History:

goldMedal49 out of 3,781 
 
Renesas Technology Corp.
 patents
silverMedal15 out of 336 
 
Hitachi Ulsi Systems Co., Ltd.
 patents
bronzeMedal11 out of 42,743 
 
Hitachi, Ltd.
 patents
4. 5 out of 7,659 
 
Renesas Electronics Corporation
 patents
5. 4 out of 27 
 
Sony Kabushiki Kaisha
 patents
6. 2 out of 182 
 
Hitachi Vlsi Engineering Corp.
 patents
7. 2 out of 33 
 
Sanwa Denki Kogyo Co., Ltd.
 patents
8. 2 out of 58,148 
 
Sony Corporation
 patents
9. 1 out of 1,458 
 
Elpida Memory, Inc.
 patents
10. 1 out of 26 
 
Hitachi Hokkai Semiconductor Ltd.
 patents
11. 1 out of 35 
 
Hitachi Tohbu Semiconductor, Ltd.
 patents
12. 1 out of 87 
 
Hitachi Ulsi Engineering Corp.
 patents
13. 1 out of 2 
 
Renesas Technologies Corporation
 patents
14. 9 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1988-2011

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Areas of Expertise:
IC Card
Memory Card
Semiconductor Device
Nonvolatile Memory
Card Adapter
Integrated Circuit
Manufacturing Method
Power Source
Connector Terminals
Multi-function Device
Card Tray
Bonding Wire
77 patents (USPTO):Explore Patents
1. 8018038 - IC card with terminals for direct access to internal components (2011-09-13),
2. 7971793 - Memory card (2011-07-05),
3. 7971791 - Multi-function card device (2011-07-05),
4. 7946500 - Memory card and semiconductor device (2011-05-24),
5. 7823793 - IC card and an adapter for the same (2010-11-02),
6. 7768110 - Nonvolatile memory apparatus (2010-08-03),
7. 7669773 - IC card module (2010-03-02),
8. 7646085 - Semiconductor device with power source feeding terminals of increased length (2010-01-12),
9. 7615855 - IC card and method of manufacturing the same (2009-11-10),
10. 7552876 - IC card (2009-06-30),
11. 7549593 - Semiconductor device (2009-06-23),
12. 7547961 - IC card with bonding wire connections of different lengths (2009-06-16),
13. 7543757 - Semiconductor device (2009-06-09),
14. 7538418 - IC card (2009-05-26),
15. 7516903 - IC card (2009-04-14),

Title: The Innovative Journey of Hirotaka Nishizawa

Introduction: Hirotaka Nishizawa, a pioneering inventor hailing from Fuchu, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Hirotaka Nishizawa's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles and cutting-edge solutions for renewable energy storage systems.

Career Highlights: With a career spanning over two decades, Nishizawa has been at the forefront of technological advancements. He has held key positions in leading research institutions and has been instrumental in developing patented technologies that have revolutionized various industries.

Collaborations: Throughout his career, Hirotaka Nishizawa has collaborated with top engineers, scientists, and researchers from around the globe. His collaborative efforts have resulted in the successful development and commercialization of several innovative products.

Conclusion: Hirotaka Nishizawa's relentless pursuit of innovation and his passion for pushing the boundaries of technology have established him as a prominent figure in the world of inventors. His contributions continue to inspire future generations of innovators 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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