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For the Inventor, By the Inventor

Kyoto, Japan

Gunze Limited


USPTO Granted Patents = 161

% Expired Patents = 24.8



Trademarks = 17

Forward Citations = 9,821

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347 inventors (with patents filed for the assignee):

goldMedal Takashi Kuraoka (10 out of 10 patents)

silverMedal Naoyuki Maruichi (9 out of 9 patents)

bronzeMedal Junya Kanetake (8 out of 8 patents)

4.  Naoki Nishiura (8 out of 8 patents)

5.  Shinichiro Morita (7 out of 7 patents)

6.  Yoshito Ikada (7 out of 31 patents)

7.  Hisao Itaya (7 out of 7 patents)

8.  Masakazu Suzuki (6 out of 61 patents)

9.  Koji Yamauchi (6 out of 6 patents)

10.  Hiroki Kuriu (6 out of 6 patents)

11.  Makoto Kawahara (5 out of 5 patents)

12.  Naoki Ohno (5 out of 5 patents)

13.  Shojiro Matsuda (5 out of 5 patents)

14.  Atsushi Okada (5 out of 5 patents)

15.  Takeshi Shimamoto (5 out of 5 patents)


Core Competencies:
Artificial Blood Vessel
Guide Wire
Tissue Regeneration
Heat-Shrinkable Film
Lithium Ion Battery
Biodegradable Polymer
Electromagnetic Shielding
Medical Film
Fluororesin Tube
Suture Reinforcement
Touch Panel
Current Collector

161 patents:

1. 12685534 - Tissue reinforcement material loader and tissue reinforcement material loading kit (2026-07-21),
2. 12599375 - Medical material (2026-04-14),
3. 12533838 - Tearable tube formed from fluororesin (2026-01-27),
4. 12527893 - Structure reinforcing material (2026-01-20),
5. 12499464 - Management system (2025-12-16),
6. 12239303 - Medical material (2025-03-04),
7. 12015140 - Method for producing resin collector for negative electrodes, method for producing negative electrode for lithium ion batteries, and method for producing lithium ion battery (2024-06-18),
8. 11958272 - Heat-shrinkable multilayer film and heat-shrinkable label (2024-04-16),
9. 11931479 - Artificial blood vessel (2024-03-19),
10. 11802199 - Thermoplastic fluororesin tube (2023-10-31),
11. 11642875 - Heat-shrinkable multilayer film and heat-shrinkable label (2023-05-09),
12. 11571197 - In-tube transit object (2023-02-07),
13. 11484313 - Staple reinforcement for surgical stapler (2022-11-01),
14. 11453209 - Heat-shrinking multilayer film and heat-shrinking label (2022-09-27),
15. 11355758 - Current collector for lithium ion battery and manufacturing method of the current collector (2022-06-07),
Gunze Limited is a Japanese textile manufacturer specializing in the production of apparel, industrial materials, and functional materials. Established in 1896, Gunze has a long history of innovation and quality. With a focus on sustainability and technology, Gunze continues to provide high-quality products to customers worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

161 Patents

#31 in Kyoto 615-0031

#819 in Japan

#5,109 in the World

Kyoto, JP
Kyoto, Japan

Gunze Limited

Forward Citations = 9,821

347 inventors:

goldMedal Takashi Kuraoka (10 out of 10 patents)

silverMedal Naoyuki Maruichi (9 out of 9 patents)

bronzeMedal Junya Kanetake (8 out of 8 patents)

4.  Naoki Nishiura (8 out of 8 patents)

5.  Shinichiro Morita (7 out of 7 patents)

Please report any incorrect information to [email protected]
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