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For the Inventor, By the Inventor

Kobe, Japan

Takahisa Iwahara

This inventor holds 15 USPTO granted patents, plus 1 CIPO patent. Top assignees: Kanegafuchi Chemical Industry Co., Ltd., Kanegafuchi Kagaku Kogyo Kabushiki Kaisha. Active years: 1986-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahisa Iwahara. Retrieved from https://idiyas.com/inventor/takahisa-iwahara

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 = 3.0

ph-index = 10

Forward Citations = 459(Granted Patents)


Location History:

  • Madison, WI (US) (1989 - 1990)
  • Hirakata, JP (1990)
  • Kobe, JP (1986 - 1996)
  • Hyogo, JP (1995 - 1997)

Company Filing History:

goldMedal9 out of 109 
 
Kanegafuchi Chemical Industry Co., Ltd.
 patents
silverMedal6 out of 698 
 
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
 patents

Years Active: 1986-1997

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15 patents (USPTO):Explore Patents
1. 5691433 - Silicon-containing polymer, process for preparing the same and monomer (1997-11-25),
2. 5623030 - Curable composition and process for producing molded articles using the (1997-04-22),
3. 5580925 - Curable organic polymers containing hydrosilyl groups (1996-12-03),
4. 5567833 - Curing agent, preparation thereof and curable composition comprising the (1996-10-22),
5. 5449734 - Curable composition (1995-09-12),
6. 5409995 - Curing agent, preparation thereof and curable composition comprising the (1995-04-25),
7. 4996341 - Condensed bicyclic disilanylene-acetylene compound and method for (1991-02-26),
8. 4923949 - Ethynylene-disilanylene copolymers and method of preparing same (1990-05-08),
9. 4904732 - Curable isobutylene polymer (1990-02-27),
10. 4845255 - Method of preparing cyclic disilanylene-acetylenes (1989-07-04),
11. 4788254 - Curable polymer composition (1988-11-29),
12. 4722807 - Stabilizer for acryloyloxysilane compounds (1988-02-02),
13. 4657986 - Curable resinous composition comprising epoxy resin and (1987-04-14),
14. 4631322 - Curable composition of phenolic resin and polyether containing silicone (1986-12-23),
15. 4563538 - Process for stabilizing silicon-containing methacrylate (1986-01-07),

Title: The Innovative Contributions of Takahisa Iwahara

Introduction

Takahisa Iwahara is a prominent inventor based in Kobe, Japan. He has made significant contributions to the field of polymer chemistry, holding a total of 15 patents. His work focuses on silicon-containing polymers and their applications, showcasing his expertise and innovative spirit.

Latest Patents

Iwahara's latest patents include a silicon-containing polymer and a process for preparing the same. This polymer comprises a structural unit that offers excellent heat resistance. Another notable patent is a curable composition that results in a silicon type interpenetrating polymer network. This composition includes various silicon compounds and a neutral platinum catalyst, highlighting his advanced understanding of polymer science.

Career Highlights

Throughout his career, Takahisa Iwahara has worked with notable companies such as Kanegafuchi Chemical Industry Co., Ltd. and Kanegafuchi Kagaku Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in polymer technology.

Collaborations

Iwahara has collaborated with esteemed colleagues, including Katsuhiko Isayama and Toshifumi Hirose. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Takahisa Iwahara's contributions to the field of polymer chemistry are noteworthy, with a focus on silicon-containing materials that demonstrate significant heat resistance and innovative applications. His work continues to influence the industry and inspire future innovations.

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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