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For the Inventor, By the Inventor

Shiga, Japan

Hideo Nakagawa

This inventor holds 70 USPTO granted patents and 4 published patent applications and 13 EPO patents, primarily in Semiconductor Fabrication (CPC class G03F). Top assignees: Matsushita Electric Industrial Co., Ltd., Shin-Etsu Chemical Co., Ltd., Panasonic Corporation. Active years: 1991-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideo Nakagawa. Retrieved from https://idiyas.com/inventor/hideo-nakagawa

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

Calculating rank
USPTO Granted Patents = 70 

% Patents Active = 58.6

 

Average Co-Inventor Count = 3.1

ph-index = 11

Forward Citations = 540(Granted Patents)

Forward Citations (Not Self Cited) = 519(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Moriguchi, JP (1991)
  • Itami, JP (2002)
  • Tokyo, JP (2002)
  • Hyogo, JP (2003)
  • Omiachiman, JP (2003)
  • Itami-shi, Hyogo-ken JP (2003)
  • Kyoto, JP (2001 - 2004)
  • Omihachiman, JP (2003 - 2007)
  • Oumihachiman, JP (2003 - 2008)
  • Kadoma, JP (2007 - 2008)
  • Kashiba, JP (2011)
  • Shiga, JP (2002 - 2013)
  • Kanagawa, JP (1998 - 2015)
  • Joetsu, JP (2017)
  • Niigata, JP (2015 - 2018)

Company Filing History:

goldMedal31 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
silverMedal23 out of 5,989 
 
Shin-Etsu Chemical Co., Ltd.
 patents
bronzeMedal15 out of 16,454 
 
Panasonic Corporation
 patents
4. 2 out of 31 
 
Matsushita Electric Co., Ltd.
 patents
5. 2 out of 28,957 
 
Ricoh Company, Ltd.
 patents
6. 1 out of 655 
 
Matsushita Electronics Corporation
 patents
7. 7 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1991-2025

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Areas of Expertise:
Photomask Manufacturing
Low Dielectric Films
Semiconductor Devices
Etching Methods
Fine Structure Formation
Mold Production
Dispersion Liquid
Organic Silicon Oxide
Phase Shift Mask
Insulating Film
70 patents (USPTO):Explore Patents
1. 12342467 - Microstructure-transfer apparatus, stamp head unit, stamp component for transferring microstructure, and method for transferring microstructure-integrated component (2025-06-24),
2. 10040220 - Blank for mold production and method for manufacturing mold (2018-08-07),
3. 9851633 - Inorganic material film, photomask blank, and method for manufacturing photomask (2017-12-26),
4. 9689066 - Photomask blank manufacturing method, photomask blank, photomask, and pattern transfer method (2017-06-27),
5. 9541823 - Photomask blank (2017-01-10),
6. 9488907 - Photomask blank, process for production of photomask, and chromium-containing material film (2016-11-08),
7. 9440375 - Blank for mold production and method for manufacturing mold (2016-09-13),
8. 9268212 - Photomask blank and method for manufacturing photomask (2016-02-23),
9. 9188852 - Photomask blank, method for manufacturing photomask, and method for manufacturing phase shift mask (2015-11-17),
10. 9158192 - Half-tone phase shift mask blank and method for manufacturing half-tone phase shift mask (2015-10-13),
11. 9048687 - Power supply device and control method for power supply (2015-06-02),
12. 8968972 - Photomask blank, process for production of photomask, and chromium-containing material film (2015-03-03),
13. 8486832 - Method for fabricating semiconductor device (2013-07-16),
14. 8017518 - Method for manufacturing a semiconductor device (2011-09-13),
15. 7997900 - Partial denture (2011-08-16),

Title: The Innovative Mind of Hideo Nakagawa

Introduction: Hideo Nakagawa, a pioneering inventor hailing from Shiga, Japan, is renowned for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hideo Nakagawa's recent patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable technology for healthcare monitoring, and sustainable energy solutions for urban environments.

Career Highlights: With over two decades of experience in research and development, Nakagawa has held key positions in leading tech companies, driving forward cutting-edge projects that have reshaped industries.

Collaborations: Nakagawa has collaborated with top research institutions and universities worldwide, fostering a culture of innovation and knowledge exchange. His partnerships have led to the development of revolutionary products that have improved the lives of many.

Conclusion: Hideo Nakagawa's relentless pursuit of innovation and his passion for pushing the boundaries of technology have solidified his position as a visionary inventor in the global landscape of inventions and patents.

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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