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For the Inventor, By the Inventor

Waki-cho, Japan

Junichi Imuta

USPTO Granted Patents = 34


Average Co-Inventor Count = 5.4

ph-index = 15

Forward Citations = 717(Granted Patents)


Location History:

  • Otake, JP (1989)
  • Ohtake, JP (1990)
  • Kuga, JP (1995)
  • Waki, JP (1995 - 1998)
  • Yamaguchi, JP (1991 - 2001)
  • Kuga-gun, JP (1997 - 2001)
  • Waki-cho, JP (1997 - 2005)
  • Tokyo, JP (2008)
  • Sodegaura, JP (2008 - 2010)

Company Filing History:

goldMedal19 out of 1,008 
 
Mitsui Petrochemical Industries, Ltd.
 patents
silverMedal14 out of 1,786 
 
Mitsui Chemicals, Inc.
 patents
bronzeMedal1 out of 3 
 
Mitsui Petrochemical Industries Co., Ltd.
 patents

Years Active: 1989-2010

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34 patents (USPTO):Explore Patents
1. 7714087 - Polar group-containing olefin copolymer, process for preparing the same, thermoplastic resin composition containing the copolymer, and uses thereof (2010-05-11),
2. RE40571 - Catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyester (2008-11-10),
3. 7393907 - Polar group-containing olefin copolymer, process for preparing the same, thermoplastic resin composition containing the copolymer, and uses thereof (2008-07-01),
4. 6930152 - Propylene polymer compositions (2005-08-16),
5. 6838522 - Propylene polymer compositions (2005-01-04),
6. 6451959 - Catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyester (2002-09-17),
7. 6346070 - Catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyester (2002-02-12),
8. 6297333 - Olefin polymerization catalyst, process for preparing olefin polymer, and olefin polymer (2001-10-02),
9. 6255419 - Olefin polymerization catalyst and process for producing olefin polymers (2001-07-03),
10. 6156844 - Propylene polymer compositions containing a propylene homo- or (2000-12-05),
11. 6043325 - Process for olefin polymerization (2000-03-28),
12. 6004897 - Olefin polymerization catalyst, process for preparing olefin polymer, (1999-12-21),
13. 5969049 - Process for preparing propylene polymer composition and propylene (1999-10-19),
14. 5959046 - Processes for producing propylene polymer utilizing bis (1999-09-28),
15. 5859272 - Transition metal compound, olefin polymerization catalyst component (1999-01-12),

Title: Junichi Imuta: A Pioneer in Olefin Polymer Technology

Introduction

Junichi Imuta, an accomplished inventor based in Waki-cho, Japan, holds an impressive portfolio of 34 patents. His innovative work primarily focuses on the development of advanced polymer technologies, particularly olefin copolymers and polyester production catalysts. Imuta's inventions showcase his expertise in materials science, contributing significantly to various industrial applications.

Latest Patents

One of Junichi Imuta's latest patents is for a polar group-containing olefin copolymer and its preparation process. This copolymer exhibits remarkable adhesion properties to metals and polar resins, making it highly compatible for numerous applications. The copolymer includes units derived from α-olefins and polar group-containing monomers. The innovative process employs a metallocene catalyst, enabling the development of thermoplastic resin compositions used in films, sheets, automotive parts, and coating bases.

Another recent patent pertains to a catalyst for polyester production, designed to enhance catalytic activity. This invention includes a unique solid titanium compound that demonstrates an optimal balance of hydroxyl to titanium ratio. The catalyst facilitates the production of high-quality polyester through polycondensation processes involving aromatic dicarboxylic acids and aliphatic diols. This polyester is noted for its excellent transparency and tint, highlighting the innovative nature of Imuta's contributions.

Career Highlights

Throughout his career, Junichi Imuta has worked with prestigious companies such as Mitsui Petrochemical Industries, Ltd. and Mitsui Chemicals, Inc. These experiences have provided him with invaluable exposure to advanced research and development in polymer chemistry and materials engineering.

Collaborations

Imuta has also collaborated with notable coworkers, including Takashi Ueda and Junji Saito, further enhancing the collaborative spirit that drives innovation in the field. Their combined expertise has led to significant advancements in polymer technologies and materials science.

Conclusion

Junichi Imuta's inventive spirit and dedication to advancing polymer science have established him as a leading figure in the industry. With a robust patent portfolio and collaborative endeavors, his work continues to impact various sectors, showcasing the importance of innovation in driving technological progress.

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