% Expired Patents = 50.0

Forward Citations = 77

Loading Chart...

8 inventors (with patents filed for the assignee):

Takahiro Fukuhara (1 out of 2 patents)

Masanori Nakasu (1 out of 8 patents)

Asako Matsushima (1 out of 4 patents)

4. Teruo Miyata (1 out of 37 patents)

5. Hitoshi Higashijima (1 out of 1 patent)

6. Kazuhiko Kodaira (1 out of 4 patents)

7. Takashi Kimura (1 out of 1 patent)

8. Yasuharu Noishiki (1 out of 9 patents)

2 patents: Sort by Forward Citations

1. 6903146 - Prosthetic filler for a living body and method of manufacturing the prosthetic filler (2005-06-07),

2. 5116824 - Biomaterial comprising a composite material of a chitosan derivative and (1992-05-26),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#4,372 in Tokyo

#11,139 in Japan

Tokyo, Japan

Katakura Chikkarin Co., Ltd.

Forward Citations = 77

8 inventors:

Takahiro Fukuhara (1 out of 2 patents)

Masanori Nakasu (1 out of 8 patents)

Asako Matsushima (1 out of 4 patents)

4. Teruo Miyata (1 out of 37 patents)

5. Hitoshi Higashijima (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Katakura Chikkarin Co., Ltd.. Retrieved from https://idiyas.com/company/katakura-chikkarin-company

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]