% Expired Patents = 20.0

EPO Patents = 1

Forward Citations = 49

Loading Chart...

9 inventors (with patents filed for the assignee):

Hiroaki Akita (3 out of 5 patents)

Katsunori Matsuki (1 out of 3 patents)

Seiji Omura (1 out of 8 patents)

4. Kazuhiro Takahashi (1 out of 1 patent)

5. Akira Yasuki (1 out of 3 patents)

6. Masashi Himesaki (1 out of 1 patent)

7. Shigeo Ogaki (1 out of 1 patent)

8. Toyotaka Fukawa (1 out of 1 patent)

9. Yoshimichi Okazaki (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 9120124 - Gasket material comprising fluororubber compound coated metal plate and method for manufacturing the same (2015-09-01),

2. 7744095 - Cylinder head gasket (2010-06-29),

3. 6170620 - Disc brake and anti-squeal shim therefor (2001-01-09),

4. 6105736 - Disc brake and anti-squeal shim therefor (2000-08-22),

5. 5615897 - Gasket material layer including cork, fibers, rubber, and a rubber (1997-04-01),

Company Overview

U-sun Gasket Corporation is a leading manufacturer of gaskets and sealing products in the industry. With a strong focus on innovation and quality, we provide high-performance gasket solutions for various applications, including automotive, industrial, and marine. Our extensive product line and superior customer service have earned us a reputation for excellence in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#86 in Shizuoka

#6,652 in Japan

Shizuoka, Japan

U-Sun Gasket Corporation

Forward Citations = 49

9 inventors:

Hiroaki Akita (3 out of 5 patents)

Katsunori Matsuki (1 out of 3 patents)

Seiji Omura (1 out of 8 patents)

4. Kazuhiro Takahashi (1 out of 1 patent)

5. Akira Yasuki (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: U-Sun Gasket Corporation. Retrieved from https://idiyas.com/company/u-sun-gasket

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

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]

1 patent (EPO):

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]