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For the Inventor, By the Inventor

Hikari, Japan

Motohiko Yoshigai

This inventor holds 42 USPTO granted patents and 1 published patent application, primarily in Plasma Processing. Top assignees: Hitachi, Ltd., Hitachi-High-Technologies Corporation, Opnext Japan, Inc.. Active years: 1994-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Motohiko Yoshigai. Retrieved from https://idiyas.com/inventor/motohiko-yoshigai

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

USPTO Granted Patents = 42 

% Patents Active = 61.9

Average Co-Inventor Count = 5.0

ph-index = 9

Forward Citations = 309(Granted Patents)


Location History:

  • Kudamatsu, JP (1994 - 2000)
  • Hikari, JP (1997 - 2015)

Company Filing History:

goldMedal24 out of 42,740 
 
Hitachi, Ltd.
 patents
silverMedal19 out of 2,874 
 
Hitachi-High-Technologies Corporation
 patents
bronzeMedal1 out of 134 
 
Opnext Japan, Inc.
 patents
4. 1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1994-2015

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Areas of Expertise:
Plasma Processing Apparatus
Semiconductor Fabricating
Etching Method
Film Thickness Measurement
Vacuum Treatment
Surface Processing
Emissions Spectroscopy
Endpoint Detection
Multi-step Etching
Processing Method
Sample Treatment
Surface Processing Apparatus
42 patents (USPTO):Explore Patents
1. 9039865 - Plasma processing apparatus (2015-05-26),
2. 8707899 - Plasma processing apparatus (2014-04-29),
3. 8282767 - Plasma processing apparatus (2012-10-09),
4. 8071397 - Semiconductor fabricating apparatus with function of determining etching processing state (2011-12-06),
5. 7955514 - Plasma processing apparatus and plasma processing method (2011-06-07),
6. 7931776 - Plasma processing apparatus (2011-04-26),
7. 7771607 - Plasma processing apparatus and plasma processing method (2010-08-10),
8. 7601241 - Plasma processing apparatus and plasma processing method (2009-10-13),
9. 7442651 - Plasma etching method (2008-10-28),
10. 7411684 - Film thickness measuring method of member to be processed using emission spectroscopy and processing method of the member using the measuring method (2008-08-12),
11. 7396771 - Plasma etching apparatus and plasma etching method (2008-07-08),
12. 7303998 - Plasma processing method (2007-12-04),
13. 7259866 - Semiconductor fabricating apparatus with function of determining etching processing state (2007-08-21),
14. 7259104 - Sample surface processing method (2007-08-21),
15. 7230720 - Film thickness measuring method of member to be processed using emission spectroscopy and processing method of the member using the measuring method (2007-06-12),

Title: Inventor Motohiko Yoshigai

Introduction: Motohiko Yoshigai is a renowned inventor based in Hikari, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Yoshigai's latest patents include innovative designs in the automotive industry focusing on electric vehicle charging systems and energy-efficient technologies.

Career Highlights: With a career spanning over two decades, Yoshigai has been instrumental in developing cutting-edge solutions for renewable energy, smart grid systems, and sustainable transportation.

Collaborations: Throughout his career, Yoshigai has collaborated with leading research institutions, universities, and multinational companies to bring his inventions to life and make a positive impact on society.

Conclusion: Motohiko Yoshigai's dedication to innovation and sustainable technology has solidified his reputation as a visionary inventor in the field of clean energy and transportation.

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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