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For the Inventor, By the Inventor

Kawasaki, Japan

Bio-Polymer Research Co., Ltd.

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USPTO Granted Patents = 12

Forward Citations = 74

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26 inventors (with patents filed for the assignee):

goldMedal Fumihiro Yoshinaga (9 out of 14 patents)

silverMedal Takayasu Tsuchida (7 out of 38 patents)

bronzeMedal Hisato Yano (6 out of 10 patents)

4.  Naoto Tonouchi (5 out of 25 patents)

5.  Naoki Tahara (4 out of 11 patents)

6.  Kunihiko Watanabe (4 out of 45 patents)

7.  Yasushi Morinaga (4 out of 12 patents)

8.  Tohru Kouda (3 out of 3 patents)

9.  Sueharu Horinouchi (2 out of 9 patents)

10.  Takahisa Hayashi (2 out of 18 patents)

11.  Hiroshi Takemura (2 out of 3 patents)

12.  Akira Shibata (2 out of 2 patents)

13.  Hiroshi Ougiya (2 out of 2 patents)

14.  Nobuya Hioki (2 out of 2 patents)

15.  Hiroshi Toyosaki (2 out of 3 patents)


12 patents:

1. 6316251 - Gene, group of genes, and novel &bgr;-gluclosidase (2001-11-13),
2. 6153413 - Method for processing bacterial cellulose (2000-11-28),
3. 6140105 - Cellulose-producing bacteria (2000-10-31),
4. 6132998 - Process for continuously preparing bacterial cellulose (2000-10-17),
5. 6110712 - Cellulose-producing bacteria (2000-08-29),
6. 6069136 - Bacterial cellulose concentrate and method for the treatment of the (2000-05-30),
7. 6017740 - Process for the production of bacterial cellulose (2000-01-25),
8. 6013490 - Method for cultivating apparatus for the production of bacterial (2000-01-11),
9. 5962278 - Cellulose-producing bacteria (1999-10-05),
10. 5962277 - Cellulose-producing bacteria (1999-10-05),
11. 5792630 - Cellulose-producing microorganism transformed with a gene for an enzyme (1998-08-11),
12. 5580782 - Acetic acid bacterium, plasmid derived from said bacterium and shuttle (1996-12-03),
Company Overview
Bio-Polymer Research Co., Ltd. is a Japanese company based in Kawasaki, specializing in the development and manufacturing of advanced polymer materials. The organization focuses on innovative solutions for various applications, including medical devices, packaging, and industrial materials. With a strong emphasis on research and development, Bio-Polymer Research aims to enhance material performance and sustainability through cutting-edge technology and scientific expertise, contributing to advancements in multiple industries.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

12 Patents

#48 in Kawasaki

#3,938 in Japan

#48,235 in the World

Kawasaki, JP
Kawasaki, Japan

Bio-Polymer Research Co., Ltd.

Forward Citations = 74

26 inventors:

goldMedal Fumihiro Yoshinaga (9 out of 14 patents)

silverMedal Takayasu Tsuchida (7 out of 38 patents)

bronzeMedal Hisato Yano (6 out of 10 patents)

4.  Naoto Tonouchi (5 out of 25 patents)

5.  Naoki Tahara (4 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bio-Polymer Research Co., Ltd.. Retrieved from https://idiyas.com/company/bio-polymer-research-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]
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