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For the Inventor, By the Inventor

Kanagawa, Japan

Shiro Kurosaki

This inventor holds 17 USPTO granted patents. Top assignees: Sumitomo Electric Industries, Limited, Nippon Telegraph and Telephone Public Corporation, Nippon Telephone and Telegraph Corporation. Active years: 1978-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shiro Kurosaki. Retrieved from https://idiyas.com/inventor/shiro-kurosaki

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

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 11

Forward Citations = 263(Granted Patents)


Location History:

  • Osaka, JA (1978)
  • Kamakura, JP (1979)
  • Yokohama, JP (1980 - 1983)
  • Nishinomiya, JP (1983)
  • Osaka, JP (1978 - 1984)
  • Kanagawa, JP (1983 - 1991)

Company Filing History:

goldMedal16 out of 10,631 
 
Sumitomo Electric Industries, Limited
 patents
silverMedal3 out of 522 
 
Nippon Telegraph and Telephone Public Corporation
 patents
bronzeMedal1 out of 21 
 
Nippon Telephone and Telegraph Corporation
 patents
4. 1 out of 4 
 
Sumitomo Electric Ind., Inc.
 patents
where one patent can have more than one assignee

Years Active: 1978-1991

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17 patents (USPTO):Explore Patents
1. 5033815 - Optical transmission fiber and process for producing the same (1991-07-23),
2. 4975102 - Optical transmission fiber and process for producing the same (1990-12-04),
3. 4528010 - Process for producing optical glass product (1985-07-09),
4. 4436542 - Process for the production of an optical glass article (1984-03-13),
5. 4410345 - Method of producing optical waveguide (1983-10-18),
6. 4402720 - Process for preparing glass preform for optical fiber (1983-09-06),
7. 4389233 - Process for the production of an optical glass article (1983-06-21),
8. 4326869 - Method of producing optical waveguide (1982-04-27),
9. 4295869 - Process for producing optical transmission fiber (1981-10-20),
10. 4242375 - Process for producing optical transmission fiber (1980-12-30),
11. 4225330 - Process for producing glass member (1980-09-30),
12. 4165152 - Process for producing optical transmission fiber (1979-08-21),
13. 4161505 - Process for producing optical transmission fiber (1979-07-17),
14. 4135901 - Method of manufacturing glass for optical waveguide (1979-01-23),
15. 4123483 - Manufacturing method of an optical waveguide (1978-10-31),

Title: Shiro Kurosaki: Innovator in Optical Transmission Technology

Introduction

Shiro Kurosaki is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical transmission technology, holding a total of 17 patents. His work has been instrumental in advancing the capabilities of optical fibers, which are essential for modern communication systems.

Latest Patents

One of his latest patents is for an optical transmission fiber and the process for producing it. This innovative optical transmission fiber features a core of high refractive index made from SiO2-based glass, which includes materials such as GeO2, As2O3, Sb2O5, SnO2, TiO2, PbO, and Bi2O3. The fiber also has a clad of low refractive index, composed of SiO2-based glass containing components like B2O3, F, F/B2O3, and F/P2O5. Additionally, the outermost jacket layer is made of SiO2 and/or SiO2-based glass, incorporating materials such as Al2O3, TiO2, ZrO2, and HfO2.

Career Highlights

Throughout his career, Shiro Kurosaki has worked with notable companies, including Sumitomo Electric Industries, Limited and Nippon Telegraph and Telephone Public Corporation. His experience in these organizations has allowed him to develop and refine his expertise in optical technologies.

Collaborations

Shiro has collaborated with esteemed colleagues, including Kunio Fujiwara and Satoshi Shiraishi. These partnerships have contributed to the success of his projects and innovations in the field.

Conclusion

Shiro Kurosaki's contributions to optical transmission technology have made a lasting impact on the industry. His innovative patents and collaborations with leading companies and professionals highlight his role as a key figure in advancing communication technologies.

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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