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For the Inventor, By the Inventor

Kurashiki, Japan

Kuraray Medical Inc.

Calculating rank
USPTO Granted Patents = 13

% Expired Patents = 46.2



Forward Citations = 36

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36 inventors (with patents filed for the assignee):

goldMedal Takahiro Sekiguchi (5 out of 11 patents)

silverMedal Koichi Okada (3 out of 46 patents)

bronzeMedal Kazumitsu Nakatsuka (3 out of 6 patents)

4.  Naoki Nishigaki (2 out of 8 patents)

5.  Hitoshi Tsuruta (1 out of 8 patents)

6.  Mitsuru Takei (1 out of 14 patents)

7.  Shogo Takashiba (1 out of 4 patents)

8.  Yoshihito Tanaka (1 out of 2 patents)

9.  Kazuomi Suzuki (1 out of 6 patents)

10.  Mitsunobu Kawashima (1 out of 18 patents)

11.  Yasuhiro Yoshida (1 out of 6 patents)

12.  Naoko Namba (1 out of 2 patents)

13.  Noriyuki Nagaoka (1 out of 2 patents)

14.  Ai Hinamoto (1 out of 3 patents)

15.  Noriaki Tanaka (1 out of 14 patents)


13 patents:

1. 8148571 - Compound, composition comprising the same, and process for production of polymerizable amide (2012-04-03),
2. 8147807 - Oral composition for dental purposes (2012-04-03),
3. 8124669 - Dental composition (2012-02-28),
4. 7968615 - Polymerizable monomer, polymerizable composition and dental material (2011-06-28),
5. 7951851 - Curable composition for dental purposes (2011-05-31),
6. 7820733 - Dental polymerizable core build-up material of separately packed type (2010-10-26),
7. 7815434 - Dental coating kit (2010-10-19),
8. 7683103 - Dental polymerizable composition (2010-03-23),
9. 7655722 - Adhesive composition (2010-02-02),
10. 7629168 - Insulin expressing human pancreatic islet cell line capable of reversibly proliferating and use thereof (2009-12-08),
11. 7615582 - One-pack type adhesive composition for dental use (2009-11-10),
12. 7364660 - Porous membrane (2008-04-29),
13. 6939901 - Adhesive composition (2005-09-06),
Company Overview
Kuraray Medical Inc., based in Kurashiki, Japan, specializes in the development and manufacturing of medical devices and materials. The company focuses on innovative solutions for dental and surgical applications, leveraging advanced polymer technologies to enhance patient care. With a commitment to research and development, Kuraray Medical aims to address the evolving needs of healthcare professionals and improve clinical outcomes through its high-quality products and technologies.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

13 Patents

#7 in Kurashiki

#3,754 in Japan

#45,104 in the World

Kurashiki, JP
Kurashiki, Japan

Kuraray Medical Inc.

Forward Citations = 36

36 inventors:

goldMedal Takahiro Sekiguchi (5 out of 11 patents)

silverMedal Koichi Okada (3 out of 46 patents)

bronzeMedal Kazumitsu Nakatsuka (3 out of 6 patents)

4.  Naoki Nishigaki (2 out of 8 patents)

5.  Hitoshi Tsuruta (1 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kuraray Medical Inc.. Retrieved from https://idiyas.com/company/kuraray-medical

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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