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For the Inventor, By the Inventor

Ichihara, Japan

Masaki Kohyama

USPTO Granted Patents = 16

Average Co-Inventor Count = 3.1

ph-index = 8

Forward Citations = 170(Granted Patents)


Location History:

  • Ohtake, JP (1987)
  • Tokyo, JP (1988)
  • Ichihara, JP (1987 - 1995)
  • Yamaguchi, JP (1998)

Company Filing History:

goldMedal11 out of 1,008 
 
Mitsui Petrochemical Industries, Ltd.
 patents
silverMedal5 out of 7,645 
 
Shell Oil Comapny
 patents

Years Active: 1987-1998

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16 patents (USPTO):Explore Patents
1. 5842505 - Multi-layer pipe (1998-12-01),
2. 5385998 - Random 1-butene/ethylene copolymer (1995-01-31),
3. 5336747 - Random 1-butene/ethylene copolymer (1994-08-09),
4. 5324805 - Ethylene/pentene-1 copolymer and ethylene/pentene-1 copolymer composition (1994-06-28),
5. 5290896 - Ethylene/pentene-1 copolymer, and ethylene/pentene-1 copolymer (1994-03-01),
6. 5262228 - Ethylene/pentene-1 copolymer compositions and their use (1993-11-16),
7. 5260382 - Ethylene/pentene-1 copolymer compositions (1993-11-09),
8. 4801672 - Random 1-butene copolymer (1989-01-31),
9. 4778870 - Random 1-butene/ethylene copolymer (1988-10-18),
10. 4734328 - Crystalline random propylene copolymer composition and composite (1988-03-29),
11. 4727113 - Crystalline 1-butene polymer composition (1988-02-23),
12. 4727112 - Crystalline 1-butene polymer composition (1988-02-23),
13. 4726999 - Laminated structure comprising a substrate layer composed of a (1988-02-23),
14. 4725505 - Polybutylene blend for form and fill film packaging (1988-02-16),
15. 4668753 - Film-forming propylene copolymer, film thereof and process for (1987-05-26),

Title: The Innovative Contributions of Masaki Kohyama

Introduction

Masaki Kohyama is a prominent inventor based in Ichihara, Japan. He has made significant contributions to the field of polymer technology, holding a total of 16 patents. His work focuses on developing advanced materials that enhance the performance and durability of various applications.

Latest Patents

Among his latest innovations is a multi-layer pipe designed for plumbing applications. This multi-layer pipe features an innermost layer made from a butene polymer composition, with at least one additional layer composed of a polyolefin resin. The unique formulation allows the pipe to withstand high temperatures without deforming, making it ideal for both cold and hot water systems. Another notable patent is for a highly crystalline semi-rigid random 1-butene/ethylene copolymer. This copolymer exhibits exceptional characteristics that enhance its usability in various industrial applications.

Career Highlights

Kohyama has worked with leading companies in the industry, including Mitsui Petrochemical Industries, Ltd. and Shell Oil Company. His experience in these organizations has allowed him to refine his expertise in polymer science and contribute to innovative projects.

Collaborations

Throughout his career, Masaki Kohyama has collaborated with notable colleagues such as Norio Kashiwa and Takeshi Muranaka. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Masaki Kohyama's contributions to polymer technology and his innovative patents have significantly impacted the industry. His work continues to inspire advancements in material science and engineering.

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