Yokohama, Japan

Hiroshi Tomita

This inventor holds 170 USPTO granted patents and 1 published patent application and 4 EPO patents, primarily in Semiconductor Processing (CPC class H01L21-02057). Top assignees: Kabushiki Kaisha Toshiba, Tokyo Electron Limited, Takata Corporation. Active years: 1992-2026.

USPTO Granted Patents = 170 

% Patents Active = 75.9

 

Average Co-Inventor Count = 3.2

ph-index = 19

Forward Citations = 1,517(Granted Patents)

Forward Citations (Not Self Cited) = 1,483(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hadano, JP (1998 - 1999)
  • Kawasaki, JP (1993 - 2002)
  • Shiga, JP (1996 - 2004)
  • Kumamoto-Ken, JP (2006)
  • Omihachiman, JP (2007 - 2009)
  • Komaki, JP (2008 - 2010)
  • Minato-ku, JP (2010 - 2011)
  • Kikuchi-Gun, JP (2003 - 2012)
  • Kumamoto, JP (2011 - 2015)
  • Koshi, Kumamoto, JP (2017)
  • Aichi, JP (2017)
  • Kanagawa-ken, JP (2001 - 2020)
  • Mie, JP (2014 - 2020)
  • Tokyo, JP (1993 - 2021)
  • Kanagawa, JP (1992 - 2023)
  • Yokohama, JP (1996 - 2023)
  • Koshi, JP (2008 - 2023)
  • Yokohama Kanagawa, JP (2023)

Company Filing History:

goldMedal77 out of 53,250 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal44 out of 10,883 
 
Tokyo Electron Limited
 patents
bronzeMedal14 out of 1,161 
 
Takata Corporation
 patents
4. 9 out of 42,726 
 
Hitachi, Ltd.
 patents
5. 9 out of 2,955 
 
Toshiba Memory Corporation
 patents
6. 6 out of 2,573 
 
Ebara Corporation
 patents
7. 5 out of 164 
 
Ntt Electronics Corporation
 patents
8. 4 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
9. 4 out of 335 
 
Toshiba Energy Systems & Solutions Corporation
 patents
10. 3 out of 6 
 
Geo Search Co., Ltd.
 patents
11. 2 out of 328 
 
Ckd Corporation
 patents
12. 2 out of 26 
 
Purex Co., Ltd.
 patents
13. 2 out of 189 
 
Toshiba Ceramics Co., Ltd.
 patents
14. 1 out of 8 
 
Hitachi Seibu Soft Ware Co., Ltd.
 patents
15. 1 out of 4 
 
Jig-Saw Inc.
 patents
16. 1 out of 103 
 
Kanto Kagaku Kabushiki Kaisha
 patents
17. 1 out of 23 
 
Octec, Inc.
 patents
18. 1 out of 8,247 
 
Tdk Corporation
 patents
19. 1 out of 1,605 
 
Teijin Limited
 patents
20. 1 out of 2 
 
Toshiba Ceramics., Ltd.
 patents
21. 5 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1992-2026

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Areas of Expertise:
Substrate Inspection
Power Generation
Semiconductor Device
Surface Treatment
Optical Module
Defect Analysis
Chemical Supply
Plasma Processing
Coating Apparatus
Supercritical Drying
Electron Emitting Element
Edge Exposure
170 patents (USPTO):Explore Patents

Title: Hiroshi Tomita: Innovative Mind in Yokohama

Introduction:

Hiroshi Tomita, a brilliant inventor hailing from Yokohama, Japan, is no stranger to the world of patents. With an impressive portfolio of 149 patents, Tomita has made significant contributions in various fields. From his latest patents in treatment condition setting methods to his work in electron emitting elements, Tomita's innovative ideas have garnered recognition and acclaim. Let us delve further into his remarkable accomplishments and collaborations.

Latest Patents:

Tomita's latest patents highlight his expertise in developing advanced technologies. One notable patent is his treatment condition setting method, storage medium, and substrate treatment system. This method includes image capturing of a reference substrate and a treated substrate to calculate the deviation in color information. Based on this deviation, the treatment condition is corrected, ensuring optimal treatment on the target substrate.

Another noteworthy invention by Tomita is the electron emitting element and power generation element. This patented technology encompasses a semiconductor region, a diamond region, and an AlGaN region, providing enhanced electron emission and power generation capabilities.

Career Highlights:

Throughout his career, Tomita has excelled at prominent companies, contributing to their innovation-driven growth. He started his journey at Kabushiki Kaisha Toshiba, where he honed his skills and developed groundbreaking inventions. His revolutionary ideas continued to flourish as he later joined Tokyo Electron Limited, where he further expanded his expertise in various domains related to electronic components and systems.

Collaborations:

Tomita's achievements are not solely attributable to his individual brilliance; he has worked alongside exceptional colleagues who complement his abilities. Among his esteemed coworkers are Hisashi Okuchi and Soichi Nadahara, both respected innovators in their own right. Collaborations with such talented individuals have undoubtedly fuelled the success and progress of Tomita's inventions.

Conclusion:

Hiroshi Tomita's inventive spirit and exceptional problem-solving skills have led to numerous groundbreaking patents in the fields of treatment condition setting methods and electron emitting elements. With an impressive career background in esteemed companies such as Toshiba and Tokyo Electron Limited, Tomita has consistently pushed the boundaries of innovation. Collaborating with talented peers like Hisashi Okuchi and Soichi Nadahara has further enhanced the magnitude of his contributions. As a distinguished inventor with 149 patents to his name, Hiroshi Tomita's impact on the world of technology and patents remains profound.

Profile summary based on public USPTO records.
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