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For the Inventor, By the Inventor

Utsunomiya, Japan

Kazuo Tsurugai

This inventor holds 10 USPTO granted patents and 2 EPO patents. Top assignee: Jsp Corporation. Active years: 1991-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Tsurugai. Retrieved from https://idiyas.com/inventor/kazuo-tsurugai

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

USPTO Granted Patents = 10

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.2

ph-index = 6

Forward Citations = 91(Granted Patents)


Company Filing History:

goldMedal10 out of 244 
 
Jsp Corporation
 patents

Years Active: 1991-2019

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10 patents (USPTO):Explore Patents
1. 10487188 - Propylene resin foamed particle and foamed particle molded body (2019-11-26),
2. 10385178 - Propylene-based resin foam particle and foam particle molded body (2019-08-20),
3. 6451419 - Shock absorbing material (2002-09-17),
4. 6133331 - Expanded particles of polyolefin resin and process for preparing the same (2000-10-17),
5. 5747549 - Foamed particles of polypropylene homopolymer and molded article of the (1998-05-05),
6. 5569681 - Flame-retardant foamed particles of polyolefin resin (1996-10-29),
7. 5459169 - Uncrosslinked polyethylene particles for the production of expanded (1995-10-17),
8. 5391581 - Production method of foamed particles of uncrosslinked ethylene-based (1995-02-21),
9. 5130341 - Process for the production of foamed poymer particles (1992-07-14),
10. 5071883 - Process for the production of expanded particles of a polyolefin resin (1991-12-10),

Title: Kazuo Tsurugai: Innovator in Propylene Resin Technology

Introduction

Kazuo Tsurugai is a prominent inventor based in Utsunomiya, Japan. He has made significant contributions to the field of materials science, particularly in the development of propylene resin technologies. With a total of 10 patents to his name, Tsurugai has established himself as a key figure in innovation.

Latest Patents

Tsurugai's latest patents include advancements in expanded propylene resin beads. One of his notable inventions is a propylene resin foamed particle and foamed particle molded body. This invention focuses on expanded propylene resin beads that feature a core layer in a foamed state, which is tubular in shape and made from a specific propylene-based resin composition. Additionally, he has developed a propylene-based resin foam particle and foam particle molded body, which also includes a core layer in a foamed state and a cover layer made from an olefin-based resin.

Career Highlights

Kazuo Tsurugai is associated with Jsp Corporation, where he has been instrumental in driving innovation in resin technology. His work has not only advanced the understanding of propylene resin applications but has also contributed to the development of new materials that have practical uses in various industries.

Collaborations

Throughout his career, Tsurugai has collaborated with notable colleagues, including Masaharu Oikawa and Hisao Tokoro. These collaborations have fostered a creative environment that has led to the successful development of innovative products.

Conclusion

Kazuo Tsurugai's contributions to the field of propylene resin technology highlight his role as a leading inventor. His patents reflect a commitment to innovation and the advancement 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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