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For the Inventor, By the Inventor

Osaka, Japan

Hiroshi Ono

This inventor holds 24 USPTO granted patents and 1 EPO patent, primarily in Semiconductor Manufacturing. Top assignees: Mitsui Toatsu Chemicals, Incorporated, Toyo Engineering Corporation, Agency of Industrial Science and Technology. Active years: 1978-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Ono. Retrieved from https://idiyas.com/inventor/hiroshi-ono-66g5v8pp

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

USPTO Granted Patents = 24

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.6

ph-index = 7

Forward Citations = 161(Granted Patents)


Location History:

  • Fujisawa, JA (1978)
  • Kanagawa, JP (1989)
  • Fujisawa, JP (1979 - 1990)
  • Osaka, JP (1996 - 2022)

Company Filing History:

goldMedal17 out of 1,379 
 
Mitsui Toatsu Chemicals, Incorporated
 patents
silverMedal5 out of 171 
 
Toyo Engineering Corporation
 patents
bronzeMedal1 out of 1,430 
 
Agency of Industrial Science and Technology
 patents
4. 1 out of 4 
 
Extra Ministerial Bureau of Ministry of International Trade and Industry
 patents
5. 1 out of 1,816 
 
Mitsui Chemicals, Inc.
 patents
6. 1 out of 6 
 
Nippon Seal, Co., Ltd.
 patents
7. 1 out of 16,454 
 
Panasonic Corporation
 patents
8. 1 out of 13,338 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents
9. 1 out of 61 
 
Petroleum Energy Center
 patents
where one patent can have more than one assignee

Years Active: 1978-2025

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Areas of Expertise:
Light Emitting Diode
Nitride Semiconductor
Methanol Production
Urea Synthesis
Diguanamines
Lactide Production
Acetic Acid
2-Chloropropionaldehyde
Guanidine Preparation
Material Recovery
Chemical Processes
24 patents (USPTO):Explore Patents
1. 12262856 - Manual cleaning tool (2025-04-01),
2. 11335839 - Group III nitride semiconductor light emitting diode, and method for producing same (2022-05-17),
3. 10923346 - Group III nitride semiconductor and method for producing same (2021-02-16),
4. 6028119 - Process for methanol production (2000-02-22),
5. 5869184 - Diguanamines and preparation process, derivatives and use thereof (1999-02-09),
6. 5744504 - Diguanamines and preparation process, derivatives and use thereof (1998-04-28),
7. 5648446 - Diguanamines and preparation process, derivatives and use thereof (1997-07-15),
8. 5646240 - Diguanamines and preparation process, derivatives and use thereof (1997-07-08),
9. 5569726 - Diguanamines and preparation process, derivatives and use thereof (1996-10-29),
10. 5545702 - Diguanamines and preparation process, derivatives and use thereof (1996-08-13),
11. 5480947 - Diguanamines and preparation process, derivatives and use thereof (1996-01-02),
12. 4966982 - Process for the production of lactide (1990-10-30),
13. 4885400 - Production process of 2-chloropropionaldehyde (1989-12-05),
14. 4825003 - Production process of 2-chloropropionaldehyde (1989-04-25),
15. 4654445 - Preparation process of 2-chloropropionaldehyde (1987-03-31),

Title: Hiroshi Ono: Innovating in Semiconductor Technology

Introduction

Hiroshi Ono, a prolific inventor from Osaka, Japan, has made significant strides in the field of semiconductor innovations. With an impressive portfolio of 23 patents, Ono is renowned for his contributions to the development of Group III nitride semiconductor light-emitting diodes (LEDs) that enhance light extraction efficiency, paving the way for advancements in lighting and display technology.

Latest Patents

His latest patents focus on a Group III nitride semiconductor light-emitting diode, along with methods for producing the same. The objective of his invention is to provide a light-emitting diode that features improved light extraction efficiency. The design includes an RAMO layer comprising a single crystal formulated as RAMO, which incorporates multiple trivalent and divalent elements. This innovation signifies a substantial improvement in the flatness of surfaces and the quality of nitride semiconductors, ultimately leading to better performance in electronic applications.

Career Highlights

Hiroshi Ono’s career has seen him make impactful contributions while working at prominent companies such as Mitsui Toatsu Chemicals and Toyo Engineering Corporation. His expertise in semiconductor technology has not only advanced his career but also the industry standards for manufacturing high-quality semiconductors, especially in minimizing defect density.

Collaborations

Throughout his professional journey, Ono has collaborated with esteemed colleagues, including Tetsuya Oishi and Jin Suzuki. These partnerships have fostered a dynamic exchange of ideas and innovations, further enriching the research landscape in semiconductor technologies.

Conclusion

With his innovative spirit and extensive patent portfolio, Hiroshi Ono stands as a key figure in the development of advanced semiconductor technologies. His focus on improving the efficiency and quality of light-emitting diodes illustrates his commitment to pioneering solutions that contribute to the future of electronics. As the industry continues to evolve, Ono’s discoveries will undoubtedly leave a lasting impact on the field.

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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