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For the Inventor, By the Inventor

Ohtake, Japan

Akifumi Kato

This inventor holds 9 USPTO granted patents. Top assignee: Mitsui Petrochemical Industries, Ltd.. Active years: 1978-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akifumi Kato. Retrieved from https://idiyas.com/inventor/akifumi-kato

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 3.8

ph-index = 8

Forward Citations = 227(Granted Patents)


Location History:

  • Otake, JP (1987)
  • Ohtake, JP (1978 - 1990)

Company Filing History:

goldMedal9 out of 1,008 
 
Mitsui Petrochemical Industries, Ltd.
 patents

Years Active: 1978-1990

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9 patents (USPTO):Explore Patents
1. 4972035 - Process for preparing ultra-high-molecular-weight polyolefin fine powder (1990-11-20),
2. 4670508 - Thermoplastic resin composition (1987-06-02),
3. 4525547 - Process for producing ethylene copolymer by gaseous phase (1985-06-25),
4. 4420592 - Process for multi-step gaseous phase polymerization of olefins (1983-12-13),
5. 4395519 - Physically blended propylene polymer composition (1983-07-26),
6. 4390669 - Process for multi-step gas-phase polymerization of olefins (1983-06-28),
7. 4366123 - Anchor agitator for gaseous phase polymerization vessel (1982-12-28),
8. 4338424 - Multi-step gas-phase polymerization of olefins (1982-07-06),
9. 4128606 - Impact-resistant chemically blended propylene polymer composition and (1978-12-05),

Title: Akifumi Kato: Innovator in Polyolefin Technology

Introduction

Akifumi Kato is a prominent inventor based in Ohtake, Japan. He has made significant contributions to the field of polymer science, particularly in the development of ultra-high-molecular-weight polyolefin materials. With a total of 9 patents to his name, Kato's work has had a substantial impact on various industrial applications.

Latest Patents

Kato's latest patents include innovative processes and compositions that enhance the properties of thermoplastic materials. One of his notable patents is for a process for preparing ultra-high-molecular-weight polyolefin fine powder. This fine powder is characterized by an intrinsic viscosity of at least 10 dl/g and an average particle diameter ranging from 1 to 80 micrometers, with at least 20 weight percent passing through a 350 Tyler mesh screen. Another significant patent involves a thermoplastic resin composition that combines a blend of thermoplastic resins with ultra-high molecular weight polyolefin powder. This composition boasts excellent abrasion resistance, impact resistance, and a high critical PV value.

Career Highlights

Kato is currently employed at Mitsui Petrochemical Industries, Ltd., where he continues to innovate and develop new materials. His work at this leading company has allowed him to push the boundaries of polymer technology and contribute to advancements in the industry.

Collaborations

Throughout his career, Kato has collaborated with esteemed colleagues such as Ryoichi Yamamoto and Michiharu Suga. These partnerships have fostered a collaborative environment that enhances the innovation process and leads to groundbreaking developments in polymer science.

Conclusion

Akifumi Kato's contributions to the field of polyolefin technology exemplify the spirit of innovation. His patents and ongoing work at Mitsui Petrochemical Industries, Ltd. continue to shape the future of materials science.

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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