logo

For the Inventor, By the Inventor

Yokohama, Japan

Nobuya Kawauchi

This inventor holds 15 USPTO granted patents, plus 1 CIPO patent. Top assignees: Mitsui Toatsu Chemicals, Incorporated, Mitsui Chemicals, Inc.. Active years: 1991-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuya Kawauchi. Retrieved from https://idiyas.com/inventor/nobuya-kawauchi

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

USPTO Granted Patents = 15

% Patents Active = 100.0


Average Co-Inventor Count = 5.1

ph-index = 6

Forward Citations = 149(Granted Patents)


Location History:

  • Mobara, JP (1992 - 1995)
  • Yokohama, JP (1991 - 1998)
  • Kanagawa-ken, JP (1997 - 2000)
  • Tokyo, JP (1999 - 2002)

Company Filing History:

goldMedal9 out of 1,379 
 
Mitsui Toatsu Chemicals, Incorporated
 patents
silverMedal6 out of 1,817 
 
Mitsui Chemicals, Inc.
 patents

Years Active: 1991-2002

Loading Chart...
Loading Chart...
15 patents (USPTO):Explore Patents
1. 6369269 - Thiol and sulfur-containing O-(meth)acrylate compounds and use thereof (2002-04-09),
2. 6265510 - Thiol and sulfur-containing O-(meth)acrylate compounds and use thereof (2001-07-24),
3. 6114485 - Thiol and sulfur-containing O-(meth)acrylate compounds and use thereof (2000-09-05),
4. 6019915 - Optical lens and a process for preparing the lens (2000-02-01),
5. 5916987 - Thiol and Sulfur-containing O-(meth) acrylate compounds and use thereof (1999-06-29),
6. 5908876 - Optical resin composition comprising a thiourethane prepolymer and use (1999-06-01),
7. 5756766 - Composition for optical materials and use thereof (1998-05-26),
8. 5693738 - Composition for urethane-base plastic lens, urethane-base plastic lens (1997-12-02),
9. 5652321 - Composition for optical materials and use thereof (1997-07-29),
10. 5532349 - Process for producing (1996-07-02),
11. 5463061 - Process for production of glycide derivative (1995-10-31),
12. 5332739 - Pyrimidinedione derivatives and antiarrhythmic agents containing same (1994-07-26),
13. 5308848 - Pyrimidinedione derivatives and antiarrythmic agents containing the same (1994-05-03),
14. 5114941 - Pyrimidinedione derivative compounds, method for preparing same, and (1992-05-19),
15. 5008267 - Pyrimidinedione compounds, method of producing the same and (1991-04-16),

Title: The Innovations of Nobuya Kawauchi

Introduction

Nobuya Kawauchi is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of chemistry, particularly in the development of thiol and sulfur-containing compounds. With a total of 15 patents to his name, Kawauchi's work has had a notable impact on various applications, especially in optical technologies.

Latest Patents

Kawauchi's latest patents include innovative thiol and sulfur-containing O-(meth)acrylate compounds. These compounds are recognized for their utility as starting materials in resin compositions used in optical applications, such as lenses. His research focuses on enhancing the performance and functionality of these materials in practical applications.

Career Highlights

Throughout his career, Kawauchi has worked with leading companies in the chemical industry, including Mitsui Toatsu Chemicals, Incorporated and Mitsui Chemicals, Inc. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in material science.

Collaborations

Kawauchi has collaborated with notable colleagues in his field, including Seiichi Kobayashi and Kenichi Fujii. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Nobuya Kawauchi's contributions to the field of chemistry and his innovative patents highlight his role as a significant inventor. His work continues to influence the development of advanced materials for optical applications.

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]
Loading…