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For the Inventor, By the Inventor

Ayabe, Japan

Gunze Limited


USPTO Granted Patents = 156



Trademarks = 24

Forward Citations = 9,715

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446 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:
Medical Materials
Lithium Ion Batteries
Heat-Shrinkable Films
Artificial Blood Vessels
Surgical Staplers
Tissue Regeneration
Conductive Fabrics
Touch Panels
Bone Regeneration Materials
Hydrophilic Cellulose Fibers
Cardiovascular Tissue Regeneration
Anti-Adhesion Membranes

156 patents:

1. 12239303 - Medical material (2025-03-04),
2. 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),
3. 11958272 - Heat-shrinkable multilayer film and heat-shrinkable label (2024-04-16),
4. 11931479 - Artificial blood vessel (2024-03-19),
5. 11802199 - Thermoplastic fluororesin tube (2023-10-31),
6. 11642875 - Heat-shrinkable multilayer film and heat-shrinkable label (2023-05-09),
7. 11571197 - In-tube transit object (2023-02-07),
8. 11484313 - Staple reinforcement for surgical stapler (2022-11-01),
9. 11453209 - Heat-shrinking multilayer film and heat-shrinking label (2022-09-27),
10. 11355758 - Current collector for lithium ion battery and manufacturing method of the current collector (2022-06-07),
11. 11345126 - Heat-shrinkable multi-layered film (2022-05-31),
12. 11273237 - Method for producing porous substrate comprising bioabsorbable polymer that contains heparin, porous substrate comprising bioabsorbable polymer that contains heparin, and artificial blood vessel (2022-03-15),
13. 11173284 - Medical guide wire (2021-11-16),
14. 10974030 - Medical guide wire (2021-04-13),
15. 10953587 - Tube and method for manufacturing same (2021-03-23),
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 - Dec 9 2025

156 Patents

#1 in Ayabe

#811 in Japan

#5,117 in the World

...
Ayabe, Japan

Gunze Limited

Forward Citations = 9,715

446 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)

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