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For the Inventor, By the Inventor

Osaka, Japan

Toyo Polymer Co., Ltd.

Calculating rank
USPTO Granted Patents = 10

% Expired Patents = 10.0


Forward Citations = 124

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19 inventors (with patents filed for the assignee):

goldMedal Hitomi Ninomiya (5 out of 5 patents)

silverMedal Michiro Goto (2 out of 2 patents)

bronzeMedal Yoshio Midorikawa (2 out of 7 patents)

4.  Chihiro Tani (2 out of 3 patents)

5.  Hidehei Kageyama (1 out of 105 patents)

6.  Kenji Shimizu (1 out of 3 patents)

7.  Yoshio Seki (1 out of 1 patent)

8.  Tomoya Genmoto (1 out of 1 patent)

9.  Chie Ipponsugi (1 out of 1 patent)

10.  Naohito Higuchi (1 out of 1 patent)

11.  Kazuo Takemoto (1 out of 1 patent)

12.  Nobuyuki Ooshima (1 out of 1 patent)

13.  Shin-ichi Haba (1 out of 1 patent)

14.  Kouichi Yoshida (1 out of 2 patents)

15.  Norio Kawai (1 out of 1 patent)


10 patents:

1. 9163161 - Polyurethane aqueous dispersion, formed film obtained from same, and glove (2015-10-20),
2. 8557005 - Polyurethane foam and polishing pad (2013-10-15),
3. D640827 - Cosmetic powder-puff (2011-06-28),
4. D639504 - Cosmetic powder-puff (2011-06-07),
5. D638163 - Cosmetic powder-puff (2011-05-17),
6. D636120 - Cosmetic powder-puff (2011-04-12),
7. D635387 - Health mat (2011-04-05),
8. 5925580 - Repellent cloth using fluoroplastic fibers (1999-07-20),
9. 4618280 - Push-button writing instrument with front seal means (1986-10-21),
10. 4540300 - Retractable capless marking pen (1985-09-10),
Company Overview
Toyo Polymer Co., Ltd. is a prominent manufacturer based in Osaka, Japan, specializing in advanced polymer materials and solutions. The company focuses on developing high-performance products for various industries, including automotive, electronics, and medical sectors. With a commitment to innovation, Toyo Polymer invests in research and development to enhance material properties and applications, ensuring they meet the evolving needs of their global clientele. Their expertise in polymer science positions them as a key player in the materials industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

10 Patents

#476 in Osaka

#4,406 in Japan

#56,119 in the World

Osaka, JP
Osaka, Japan

Toyo Polymer Co., Ltd.

Forward Citations = 124

19 inventors:

goldMedal Hitomi Ninomiya (5 out of 5 patents)

silverMedal Michiro Goto (2 out of 2 patents)

bronzeMedal Yoshio Midorikawa (2 out of 7 patents)

4.  Chihiro Tani (2 out of 3 patents)

5.  Hidehei Kageyama (1 out of 105 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toyo Polymer Co., Ltd.. Retrieved from https://idiyas.com/company/toyo-polymer-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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