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For the Inventor, By the Inventor

Osaka, Japan

Hideaki Nishizawa

This inventor holds 9 USPTO granted patents. Top assignees: Sumitomo Electric Industries, Limited, Research Development Corporation of Japan, Tokyo Institute of Technology. Active years: 1981-1995.

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

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 8

Forward Citations = 127(Granted Patents)


Location History:

  • Nishinomiya, JP (1981)
  • Konohana-ku, Osaka, JP (1990)
  • Osaka, JP (1987 - 1991)
  • Yokohama, JP (1995)

Company Filing History:

goldMedal8 out of 10,641 
 
Sumitomo Electric Industries, Limited
 patents
silverMedal1 out of 256 
 
Research Development Corporation of Japan
 patents
bronzeMedal1 out of 591 
 
Tokyo Institute of Technology
 patents
4. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1981-1995

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9 patents (USPTO):Explore Patents
1. 5401099 - Method of measuring junction temperature (1995-03-28),
2. 5045499 - Method of manufacturing a distributed brass reflector type semiconductor (1991-09-03),
3. 4914670 - Distributed bragg reflector type semiconductor laser (1990-04-03),
4. 4727649 - Method for producing an optical device (1988-03-01),
5. 4663652 - Package for optical device (1987-05-05),
6. D289037 - Photodiode (1987-03-31),
7. D288805 - Photodiode (1987-03-17),
8. 4636647 - Package for optical element (1987-01-13),
9. 4297720 - Multi-photodiodes (1981-10-27),

Title: The Innovations of Hideaki Nishizawa

Introduction

Hideaki Nishizawa is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 9 patents. His work has been instrumental in advancing the efficiency and functionality of various semiconductor devices.

Latest Patents

Nishizawa's latest patents include a method of measuring junction temperature and a method of manufacturing a distributed brass reflector type semiconductor. One of his notable inventions is a distributed Bragg reflector type semiconductor laser. This innovative laser design features an active waveguide covered by an external waveguide, ensuring a high coupling ratio between the two components. This advancement allows for improved performance and efficiency in semiconductor lasers.

Career Highlights

Throughout his career, Nishizawa has worked with Sumitomo Electric Industries, Limited, where he has contributed to various projects and innovations. His expertise in semiconductor technology has made him a valuable asset to the company and the industry as a whole.

Collaborations

Nishizawa has collaborated with notable colleagues such as Yasuharu Suematsu and Mitsuo Takahashi. These partnerships have fostered a creative environment that has led to groundbreaking advancements in semiconductor technology.

Conclusion

Hideaki Nishizawa's contributions to the field of semiconductor technology are noteworthy and impactful. His innovative patents and collaborations have paved the way for advancements that continue to shape the industry.

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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