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For the Inventor, By the Inventor

Tokyo, Japan

Fine Ceramics Research Association

Calculating rank
USPTO Granted Patents = 8

Forward Citations = 42

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19 inventors (with patents filed for the assignee):

goldMedal Kiyoshi Hirao (5 out of 6 patents)

silverMedal Syuzo Kanzaki (5 out of 7 patents)

bronzeMedal Motohiro Toriyama (5 out of 19 patents)

4.  Yasuhiro Shigegaki (3 out of 3 patents)

5.  Manuel E Brito (3 out of 3 patents)

6.  Mutsuo Sando (2 out of 10 patents)

7.  Koichi Niihara (2 out of 34 patents)

8.  Masaaki Obata (2 out of 2 patents)

9.  Koji Watari (1 out of 6 patents)

10.  Hae Jin Hwang (1 out of 3 patents)

11.  Atsuya Towata (1 out of 4 patents)

12.  Shin-ichi Hirano (1 out of 2 patents)

13.  Shinji Kondoh (1 out of 1 patent)

14.  Koichi Kikuta (1 out of 1 patent)

15.  Masayoshi Ohashi (1 out of 2 patents)


8 patents:

1. 6054094 - Method for manufacture composite fiber (2000-04-25),
2. 6027796 - Mesoporous ceramic film with one dimensional through channels and (2000-02-22),
3. 5968426 - Method of producing porous silicon nitride ceramics having high strength (1999-10-19),
4. 5935888 - Porous silicon nitride with rodlike grains oriented (1999-08-10),
5. 5902542 - Method of producing silicon nitride ceramics having thermal high (1999-05-11),
6. 5866245 - Silicon nitride ceramics having a high reliability and a method for (1999-02-02),
7. 5854157 - Ceramic composite (1998-12-29),
8. 5837633 - Method for production of aluminum nitride sintered body and aluminum (1998-11-17),
Company Overview
Fine Ceramics Research Association is a leading organization dedicated to advancing research and development in the field of ceramic materials. With a focus on innovation and collaboration, our members work together to drive progress and breakthroughs in ceramic technology. Through our cutting-edge research and industry partnerships, we strive to push the boundaries of what is possible in the world of ceramics.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

8 Patents

#2,152 in Tokyo

#5,050 in Japan

Tokyo, JP
Tokyo, Japan

Fine Ceramics Research Association

Forward Citations = 42

19 inventors:

goldMedal Kiyoshi Hirao (5 out of 6 patents)

silverMedal Syuzo Kanzaki (5 out of 7 patents)

bronzeMedal Motohiro Toriyama (5 out of 19 patents)

4.  Yasuhiro Shigegaki (3 out of 3 patents)

5.  Manuel E Brito (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fine Ceramics Research Association. Retrieved from https://idiyas.com/company/fine-ceramics-research-association

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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