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Shizuoka, Japan

Nihon Plast Co., Ltd.

USPTO Granted Patents = 227

EPO Patents = 11

Forward Citations = 1,487

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243 inventors (with patents filed for the assignee):

Kazuyoshi Nishijima (29 out of 30 patents)

Kazuhiro Kaneko (28 out of 42 patents)

Toshiyuki Sugiyama (17 out of 18 patents)

4. Yohei Kiuchi (15 out of 15 patents)

5. Tetsuji Endo (15 out of 15 patents)

6. Aki Yokoyama (13 out of 13 patents)

7. Mikio Ochiai (13 out of 13 patents)

8. Masami Tonooka (9 out of 10 patents)

9. Shuji Yamada (8 out of 8 patents)

10. Kenichi Kamio (8 out of 8 patents)

11. Akihiko Yamami (7 out of 7 patents)

12. Akito Urushibata (7 out of 7 patents)

13. Takahiro Suwama (7 out of 7 patents)

14. Hideaki Saito (6 out of 6 patents)

15. Takenori Kurata (6 out of 6 patents)

Core Competencies:

Vibration Suppression

Wind Direction Adjustment

Vehicle Interior Materials

Airbag Technology

Steering Wheel Design

Coupling Devices

Stowing Mechanisms

Air Flow Regulation

Cowl Cover Design

Curtain Airbag Devices

Engagement Structures

Urethane Decomposition

227 patents: Sort by Forward Citations

1. 12422018 - Vibration suppression apparatus (2025-09-23),

2. 12397620 - Wind direction adjustment apparatus (2025-08-26),

3. 12391099 - Wind direction adjusting apparatus (2025-08-19),

4. 12265415 - Moderation feeling adding apparatus (2025-04-01),

5. 12146541 - Coupling device (2024-11-19),

6. 12128660 - Vehicle interior material (2024-10-29),

7. 12090963 - Vehicle hook apparatus (2024-09-17),

8. 11907002 - Moderation feeling adding apparatus (2024-02-20),

9. 11794818 - Cowl cover apparatus (2023-10-24),

10. 11766973 - Vehicle interior component (2023-09-26),

11. 11745784 - Handle and method for manufacturing the same (2023-09-05),

12. 11660936 - Wind direction adjustment device (2023-05-30),

13. 11628797 - Airbag (2023-04-18),

14. 11511602 - Wind direction adjusting apparatus (2022-11-29),

15. 11459012 - Steering wheel core metal (2022-10-04),

NIHON PLAST CO., LTD. is a leading manufacturer of plastic products based in Japan. With over 50 years of experience in the industry, we specialize in the production and distribution of high-quality plastic packaging materials for various sectors, including food and beverage, healthcare, cosmetics, and more. Our commitment to innovation, quality, and sustainability has earned us a reputable position in the market. We continually strive to exceed customer expectations by offering customized solutions, reliable services, and competitive pricing. Visit our website to learn more about our product range and business capabilities.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

227 Patents

#4 in Shizuoka

#627 in Japan

#3,665 in the World

Shizuoka, Japan

Nihon Plast Co., Ltd.

Forward Citations = 1,487

243 inventors:

Kazuyoshi Nishijima (29 out of 30 patents)

Kazuhiro Kaneko (28 out of 42 patents)

Toshiyuki Sugiyama (17 out of 18 patents)

4. Yohei Kiuchi (15 out of 15 patents)

5. Tetsuji Endo (15 out of 15 patents)

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