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For the Inventor, By the Inventor

Fukushima, Japan

Nitto Boseki Co., Ltd.


USPTO Granted Patents = 266


Trademarks = 14

Forward Citations = 1,926

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362 inventors (with patents filed for the assignee):

goldMedal Takeshi Nagasawa (37 out of 38 patents)

silverMedal Katsumasa Kuroiwa (27 out of 28 patents)

bronzeMedal Katsuhiro Katayama (23 out of 23 patents)

4.  Hiroaki Shono (18 out of 18 patents)

5.  Ryo Kojima (17 out of 17 patents)

6.  Susumu Harada (17 out of 18 patents)

7.  Shin Kasai (14 out of 14 patents)

8.  Toshihide Miura (13 out of 13 patents)

9.  Kiyoshi Shimizu (11 out of 13 patents)

10.  Takashi Nonaka (10 out of 10 patents)

11.  Yutaka Kawaguchi (10 out of 10 patents)

12.  Yosuke Nukui (9 out of 12 patents)

13.  Yoshiro Sato (9 out of 9 patents)

14.  Hirokazu Inoguchi (9 out of 10 patents)

15.  Isao Wakasa (9 out of 9 patents)


Core Competencies:
Glass Fiber Reinforcement
Glass Composition
Prepreg Technology
Woven Glass Fabrics
Long Glass Fiber Manufacturing
Cellulose Nanofibers
Antigen Activation
Composite Yarn Fabric
Surface-Treated Glass Cloth
Thermoplastic Resin Pellets
Protein Assay Methods
Cationic Graft Polymers

266 patents:

1. 12459856 - Glass composition for glass fiber, glass fiber, glass fiber woven fabric, and glass fiber reinforced resin composition (2025-11-04),
2. 12428757 - Glass cloth, prepreg, and printed wiring board (2025-09-30),
3. 12421162 - Glass composition for glass fibers, glass fiber, glass fiber woven fabric, and glass-fiber-reinforced resin composition (2025-09-23),
4. 12351506 - Glass composition for glass fibers, glass fibers, glass fiber textile, and glass fiber-reinforced resin composition (2025-07-08),
5. 12286731 - Glass cloth, prepreg, and printed wiring board (2025-04-29),
6. 12275665 - Glass composition for glass fibers, glass fibers, woven glass fiber fabric, and glass-fiber-reinforced resin composition (2025-04-14),
7. 12195600 - Flat-cross-section glass fiber, glass-fiber-reinforced resin composition, and glass-fiber-reinforced resin molded product (2025-01-14),
8. 12153054 - Method for isolating cell nuclei having enhanced antigenicity from fixed cells or FFPE tissue section, and antigen activator and kit therefor (2024-11-26),
9. 12139591 - Glass fiber-reinforced resin molded article (2024-11-12),
10. 12110249 - Long glass fiber manufacturing method, and long glass fiber (2024-10-08),
11. 12104294 - Composite yarn fabric and method for producing fiber-reinforced resin molded article using same (2024-10-01),
12. 12098254 - Glass fiber-reinforced resin molded article (2024-09-24),
13. 12041727 - Surface-treated glass cloth, prepreg, and printed wiring board (2024-07-16),
14. 11959203 - Glass roving cloth and glass-fiber-reinforced resin sheet (2024-04-16),
15. 11958952 - Surface-treated glass cloth, prepreg, and printed wiring board (2024-04-16),
Nitto Boseki Co., Ltd. is a multinational company specializing in manufacturing and distributing industrial materials. With over 100 years of experience, they provide a wide range of high-quality products including textiles, plastics, chemicals, and construction materials. NITTO BOSEKI aims to contribute to society through innovative and sustainable solutions, consistently striving for technological advancements and global excellence in their operations.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

266 Patents

#1 in Fukushima

#557 in Japan

#3,189 in the World

...
Fukushima, Japan

Nitto Boseki Co., Ltd.

Forward Citations = 1,926

362 inventors:

goldMedal Takeshi Nagasawa (37 out of 38 patents)

silverMedal Katsumasa Kuroiwa (27 out of 28 patents)

bronzeMedal Katsuhiro Katayama (23 out of 23 patents)

4.  Hiroaki Shono (18 out of 18 patents)

5.  Ryo Kojima (17 out of 17 patents)

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