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For the Inventor, By the Inventor

Ichihara, Japan

Hiroyuki Shiraishi

USPTO Granted Patents = 12


Average Co-Inventor Count = 4.1

ph-index = 4

Forward Citations = 65(Granted Patents)


Location History:

  • Sodegaura, JP (1995 - 1997)
  • Ichihara, JP (1991 - 2003)
  • Mutiara Crest, SG (2003)

Company Filing History:

goldMedal12 out of 6,892 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 1991-2003

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12 patents (USPTO):Explore Patents
1. 6667375 - Ethylene-&agr;-olefin copolymer and polyethylene composition (2003-12-23),
2. 6590021 - Polyolefin resin composition and film comprising the same (2003-07-08),
3. 6184319 - Olefin polymer, films or sheets made therefrom, and process for the production of olefin polymer (2001-02-06),
4. 5854164 - Method for preparing catalyst component for olefin polymerization, (1998-12-29),
5. 5700895 - Ethylene-.alpha.-olefin copolymer and molded article thereof (1997-12-23),
6. 5602223 - Ethylene-.alpha.-olefin copolymer and a molded article therefor (1997-02-11),
7. 5508364 - Process for polymerizing ethylene at high temperature under high pressure (1996-04-16),
8. 5463000 - Process for producing olefin polymers (1995-10-31),
9. 5378778 - Liquid catalyst component, catalyst system containing the same, and (1995-01-03),
10. 5258476 - Process for producing ethylene-.alpha.-olefin copolymers (1993-11-02),
11. 5166280 - Olefin polymerization catalyst and process for producing ethylene (1992-11-24),
12. 5077250 - Olefin polymerization catalyst and process for producing ethylene (1991-12-31),

Title: Hiroyuki Shiraishi: Innovator in Polyolefin Technology

Introduction

Hiroyuki Shiraishi is a prominent inventor based in Ichihara, Japan. He has made significant contributions to the field of polymer science, particularly in the development of polyolefin materials. With a total of 12 patents to his name, Shiraishi has established himself as a key figure in innovation within the chemical industry.

Latest Patents

Among his latest patents are the "Ethylene-&agr;-olefin copolymer and polyethylene composition" and the "Polyolefin resin composition and film comprising the same." These inventions reflect his expertise in creating advanced materials that have various applications in manufacturing and packaging.

Career Highlights

Hiroyuki Shiraishi is currently employed at Sumitomo Chemical Company, Limited, where he continues to push the boundaries of polymer technology. His work has not only advanced the company's product offerings but has also contributed to the broader field of materials science.

Collaborations

Shiraishi has collaborated with notable colleagues, including Toshio Sasaki and Hirofumi Johoji. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Hiroyuki Shiraishi's contributions to polyolefin technology and his impressive patent portfolio highlight his role as a leading inventor in the chemical industry. His work continues to influence advancements in material science and engineering.

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