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Inoac Corporation

USPTO Granted Patents = 110

CIPO Patents = 2

EPO Patents = 30

Trademarks = 6

Forward Citations = 738

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208 inventors (with patents filed for the assignee):

Kentaro Iwanaga (7 out of 7 patents)

Tadashi Yano (6 out of 6 patents)

Atsuhiko Itakura (6 out of 6 patents)

4. Yoshinori Sugiura (5 out of 5 patents)

5. Hiyoshi Ishikawa (5 out of 5 patents)

6. Hiroaki Suzuki (4 out of 99 patents)

7. Katsuhiro Tange (4 out of 4 patents)

8. Nobuo Takeuchi (4 out of 4 patents)

9. Masao Akamatsu (4 out of 4 patents)

10. Takenori Kusakabe (4 out of 4 patents)

11. Kentaro Kamiya (3 out of 3 patents)

12. Yuzo Ito (3 out of 3 patents)

13. Fuminori Horio (3 out of 3 patents)

14. Mitsuru Omoto (3 out of 3 patents)

15. Takashi Yamaguchi (3 out of 3 patents)

Core Competencies:

Polyurethane Foam

Fiber-Reinforced Resin

Vehicle Cushion Pad

Soundproof Member

Carbon Fiber Composite

Thermal Insulating Cover

Noise Attenuator

Resin Molded Article

Duct Installation Structure

Flame-Retardant Sealing Material

Elastic Body

Foamed Resin Product

110 patents: Sort by Forward Citations

1. 12509005 - Vehicle undercover and manufacturing method therefor (2025-12-30),

2. 12459409 - Clip holding unit, molding mold and method for manufacturing seat pad (2025-11-04),

3. 12415897 - Fiber-reinforced resin molded body and production method thereof, fiber-reinforced resin molding prepreg, fiber-reinforced molded body and production method of fiber-reinforced molded body and resin sheet, fiber-reinforced sandwich composite, and production method of fiberreinforced molded body (2025-09-16),

4. 12187840 - Vehicle cushion pad and vehicle seat cushion (2025-01-07),

5. 11970120 - Soundproof member and production method thereof (2024-04-30),

6. 11879044 - Polyurethane foam and method for producing polyurethane foam (2024-01-23),

7. 11753495 - Method for producing polyurethane foam (2023-09-12),

8. 11655365 - Polyurethane foam (2023-05-23),

9. 11648892 - Noise reflector, fender liner, and silencing method (2023-05-16),

10. 11633937 - Skin foam-in-place foamed article and production method thereof (2023-04-25),

11. 11618817 - Method for producing thermoplastic resin composition and thermoplastic resin composition (2023-04-04),

12. 11577487 - Synthetic resin skin material composite and method of producing synthetic resin skin material composite (2023-02-14),

13. 11532294 - Soundproof member and production method thereof (2022-12-20),

14. 11488751 - Elastic body, bump stop, electromagnetic induction device, power generation system, detection device, and production method for elastic body (2022-11-01),

15. 11440286 - Laminate and skin material for vehicle interior member (2022-09-13),

INOAC Corporation is a Japanese multinational manufacturing company specializing in various industries such as automotive, electronics, healthcare, and more. With a global presence, INOAC strives to create innovative products and solutions to meet the ever-changing demands of customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

110 Patents

#13 in Nagoya

#1,034 in Japan

#6,953 in the World

Inoac Corporation

Forward Citations = 738

208 inventors:

Kentaro Iwanaga (7 out of 7 patents)

Tadashi Yano (6 out of 6 patents)

Atsuhiko Itakura (6 out of 6 patents)

4. Yoshinori Sugiura (5 out of 5 patents)

5. Hiyoshi Ishikawa (5 out of 5 patents)

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