For the Inventor, By the Inventor

Enter assignee name

Nippon Sheet Glass Company, Limited

USPTO Granted Patents = 1,157

CIPO Patents = 4

EPO Patents = 171

Trademarks = 17

Forward Citations = 11,668

Loading Chart...

Loading Chart...

825 inventors (with patents filed for the assignee):

Keiji Tsunetomo (49 out of 53 patents)

Kenichi Nakama (41 out of 42 patents)

Akihiro Koyama (38 out of 68 patents)

4. Shigeo Kittaka (38 out of 39 patents)

5. Koichiro Nakamura (36 out of 55 patents)

6. Yukihito Nagashima (35 out of 40 patents)

7. Kenjiro Hamanaka (34 out of 43 patents)

8. Katsuhide Shimmo (33 out of 33 patents)

9. Takashi Fukuzawa (31 out of 36 patents)

10. Hideo Yoshizawa (29 out of 102 patents)

11. Hiroyuki Nemoto (28 out of 57 patents)

12. Junji Kurachi (27 out of 34 patents)

13. Tadashi Koyama (27 out of 33 patents)

14. Hiroaki Yamamoto (26 out of 143 patents)

15. Mitsuhiro Kawazu (25 out of 25 patents)

Core Competencies:

Laminated Glass

Glass Composition

Near-Infrared Shielding Material

Optical Filter

Cured Resin Composition

Vacuum Glass

Automobile Laminated Glass

Light-Absorbing Composition

Windshield Manufacturing

Glass Fiber

Image Display Device

Rubber-Reinforcing Cord

1,157 patents: Sort by Forward Citations

1. 12510694 - Rod lens array, optical device, image sensor, printer, inspection apparatus, base glass composition for gradient-index rod lens, and method of manufacturing gradient-index rod lens (2025-12-30),

2. 12454167 - Laminated glass (2025-10-28),

3. 12449687 - Display device (2025-10-21),

4. 12448521 - Near-infrared-shielding material (2025-10-21),

5. 12448322 - Glass composition, glass sheet, and vehicle window including glass sheet (2025-10-21),

6. 12421165 - Windshield and windshield manufacturing method (2025-09-23),

7. 12421158 - Glass fiber and composition for glass fibers (2025-09-23),

8. 12392946 - Optical filter and light-absorbing composition (2025-08-19),

9. 12391599 - Glass composition for chemical strengthening and chemically strengthened glass article (2025-08-19),

10. 12378417 - Cured product of resin composition, laminate, and resin composition (2025-08-05),

11. 12345088 - Vacuum glass and method for manufacturing same (2025-07-01),

12. 12338341 - Infrared-cut filter (2025-06-24),

13. 12330481 - Laminated glass (2025-06-17),

14. 12319611 - Water-repellent-film-attached glass article and method for manufacturing same (2025-06-03),

15. 12313869 - Optical filter, optical device, and light-absorbing composition (2025-05-27),

Nippon Sheet Glass Company, Limited is a global glass manufacturer headquartered in Tokyo, Japan. With over a century of expertise, the company specializes in producing high-quality glass products for various industries including automotive, construction, and electronics. NSG operates through a network of subsidiaries and affiliates in Europe, Americas, Asia, and other regions, ensuring a wide market presence. Committed to innovation and sustainability, Nippon Sheet Glass Company strives to enhance people's lives and contribute to a greener future through their advanced glass technologies and solutions.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

1,157 Patents

#92 in Tokyo

#196 in Japan

#862 in the World

Nippon Sheet Glass Company, Limited

Forward Citations = 11,668

825 inventors:

Keiji Tsunetomo (49 out of 53 patents)

Kenichi Nakama (41 out of 42 patents)

Akihiro Koyama (38 out of 68 patents)

4. Shigeo Kittaka (38 out of 39 patents)

5. Koichiro Nakamura (36 out of 55 patents)

Please report any incorrect information to support@idiyas.com

Loading…