Shizuoka, Japan

Gc Corporation

USPTO Granted Patents = 317

% Expired Patents = 12.6



Trademarks = 53

Forward Citations = 2,076

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324 inventors (with patents filed for the assignee):

goldMedal Hiroshi Kamohara (37 out of 42 patents)

silverMedal Go Mashio (12 out of 12 patents)

bronzeMedal Tomohiro Kumagai (11 out of 11 patents)

4.  Tatsunosuke Miyano (10 out of 10 patents)

5.  Junichi Okada (10 out of 18 patents)

6.  Natsumi Mizuno (10 out of 10 patents)

7.  Ryosuke Yoshimitsu (8 out of 8 patents)

8.  Yoshimasa Suzuki (8 out of 36 patents)

9.  Makoto Takahashi (8 out of 124 patents)

10.  Shigenori Akiyama (8 out of 8 patents)

11.  Tetsuro Sakuma (8 out of 13 patents)

12.  Kazuhiro Kinoshita (8 out of 8 patents)

13.  Yusuke Nagatomi (8 out of 8 patents)

14.  Keita Sato (7 out of 8 patents)

15.  Naofumi Matsumoto (7 out of 7 patents)


Core Competencies:
Dental Materials
Polymerizable Compositions
Dental Cements
Impression Materials
Dental Prostheses
Dental Restorative Kits
Antibacterial Particles
Dental Floss
Tooth Whitening
Dental Gypsum
Occlusion Pressure
Bioabsorbable Membrane

317 patents:

Company Overview
Gc Corporation, headquartered in Shizuoka, Japan, specializes in the development and manufacturing of advanced dental materials. The company focuses on a range of products including polymerizable compositions, dental cements, and impression materials, catering to the needs of dental professionals. Gc Corporation is recognized for its innovative solutions in dental prostheses and restorative kits, as well as its commitment to incorporating antibacterial particles in its offerings. This dedication to quality and innovation positions Gc Corporation as a key player in the dental materials sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Gc Corporation USPTO Patent Assignee Logo
317 Patents

#4 in Shizuoka

#526 in Japan

#2,838 in the World

Shizuoka, JP
Shizuoka, Japan
Forward Citations = 2,076

324 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gc Corporation. Retrieved from https://idiyas.com/company/gc

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]
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