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For the Inventor, By the Inventor

Sodegaura, Japan

Koji Kawai

USPTO Granted Patents = 10

 

Average Co-Inventor Count = 7.2

ph-index = 6

Forward Citations = 188(Granted Patents)


Location History:

  • Yamaguchi, JP (2005 - 2008)
  • Sodegaura, JP (2006 - 2010)
  • Ichihara, JP (2010 - 2011)

Company Filing History:

goldMedal10 out of 1,786 
 
Mitsui Chemicals, Inc.
 patents

Years Active: 2005-2011

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10 patents (USPTO):Explore Patents
1. 7879960 - Process for producing propylene polymer (2011-02-01),
2. 7834204 - Fluorene derivative, transition metal compound, catalyst for olefin polymerization, and process for producing olefin polymer (2010-11-16),
3. 7678934 - Propylene copolymer, polypropylene composition and uses thereof, transition metal compound and olefin polymerization catalyst (2010-03-16),
4. 7619030 - Automobile part of polypropylene resin composition (2009-11-17),
5. 7488789 - Propylene copolymer, polypropylene composition, and uses thereof, transition metal compounds and catalyst for olefin polymerization (2009-02-10),
6. 7449533 - Metallocene compound, process for preparing metallocene compound, olefin polymerization catalyst, process for preparing polyolefin, and polyolefin (2008-11-11),
7. 7393965 - Crosslinked metallocene compound for olefin polymerization and method of polymerizing olefin with the same (2008-07-01),
8. 7241848 - Process for preparing low molecular weight olefin (CO)polymer and polymerization catalyst used therefor (2007-07-10),
9. 7081493 - Automotive part made of polypropylene resin composition (2006-07-25),
10. 6939928 - Metallocene compound, process for producing metallocene compound, olefin polymerization catalyst, process for producing polyolefin, and polyolefin (2005-09-06),

Title: The Innovations of Koji Kawai

Introduction

Koji Kawai is a prominent inventor based in Sodegaura, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the production of high-performance polymers. With a total of 10 patents to his name, Kawai's work has had a substantial impact on the industry.

Latest Patents

Among his latest patents is a process for producing propylene polymer. This innovative method allows for the effective production of a high molecular weight propylene polymer that exhibits high stereoregularity (isotactic) and high position selectivity. The polymerization process involves at least one monomer selected from propylene, α-olefins, and polyenes, utilizing a catalyst for olefin polymerization that comprises a fluorene derivative and a transition metal compound. Additionally, he has developed a process for producing olefin polymer, which includes a transition metal compound represented by a specific general formula.

Career Highlights

Koji Kawai is currently employed at Mitsui Chemicals, Inc., where he continues to advance his research and development efforts. His work has been instrumental in enhancing the performance characteristics of various polymers, making them suitable for a wide range of applications.

Collaborations

Kawai has collaborated with notable colleagues, including Yasushi Tohi and Hiromu Kaneyoshi. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Koji Kawai's contributions to polymer chemistry and his innovative patents highlight his role as a leading inventor in the field. His work continues to influence the development of advanced materials that meet the demands of modern applications.

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