For the Inventor, By the Inventor

Enter assignee name

Sunstar Engineering Pte. Ltd.

USPTO Granted Patents = 79

% Expired Patents = 16.5

CIPO Patents = 2

EPO Patents = 28

Trademarks = 6

Forward Citations = 415

Loading Chart...

Loading Chart...

118 inventors (with patents filed for the assignee):

Yoshinori Shinagawa (6 out of 6 patents)

Masaharu Takada (6 out of 16 patents)

Shinji Okuda (6 out of 12 patents)

4. Satoshi Kubota (5 out of 18 patents)

5. Kiichi Yamashita (5 out of 8 patents)

6. Takuro Omachi (5 out of 5 patents)

7. Eiji Hattori (5 out of 5 patents)

8. Fumihiko Metsugi (5 out of 5 patents)

9. Issei Oura (5 out of 5 patents)

10. Hiroyuki Nagata (4 out of 4 patents)

11. Tsuyoshi Nagata (4 out of 5 patents)

12. Akihito Ohata (4 out of 4 patents)

13. Tomoharu Usa (3 out of 3 patents)

14. Tsuyoshi Nakatsuji (3 out of 3 patents)

15. Masayoshi Matsumura (3 out of 3 patents)

Core Competencies:

Adhesive Composition

Brake Disc

Gas Supply System

Deodorization Apparatus

Curable Composition

Foaming Device

Sprocket

Thermal Crosslinking

Polyurethane Composition

Bactericidal Agent

Fluid Delivery Pump

High-Viscosity Material

79 patents: Sort by Forward Citations

1. 12589368 - Gas supply system, mechanical foaming system, and gas supply method (2026-03-31),

2. 12564654 - Deodorization apparatus (2026-03-03),

3. 12521747 - Method for adjusting pressure of mixture of gas and paste material discharged from dispenser (2026-01-13),

4. 12496599 - Dispenser and nozzle for discharging mixture of gas and paste material and mechanical foaming device (2025-12-16),

5. 12473393 - Curable composition (2025-11-18),

6. 12422009 - Rotation transmission disc (2025-09-23),

7. 12344743 - Curing composition (2025-07-01),

8. 12234386 - Urethane-based adhesive for automobile (2025-02-25),

9. 12055191 - Rotation transmission disc (2024-08-06),

10. D1033619 - Sterilization deodorizer (2024-07-02),

11. 12000472 - Sprocket (2024-06-04),

12. 11920028 - Curable composition and method for producing curable composition (2024-03-05),

13. 11859682 - Brake disc (2024-01-02),

14. 11786628 - Air purifier (2023-10-17),

15. 11739239 - Thermally crosslinkable composition (2023-08-29),

Sunstar Engineering Pte. Ltd., headquartered in Osaka, Japan, specializes in the development and manufacturing of advanced adhesive compositions and related technologies. The company focuses on innovative solutions in various domains, including brake disc systems, gas supply systems, and deodorization apparatuses. Their expertise extends to curable compositions, foaming devices, and thermal crosslinking technologies, positioning them as a key player in the adhesive and automotive engineering sectors.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

79 Patents

#141 in Osaka

#1,314 in Japan

#9,562 in the World

Sunstar Engineering Pte. Ltd.

Forward Citations = 415

118 inventors:

Yoshinori Shinagawa (6 out of 6 patents)

Masaharu Takada (6 out of 16 patents)

Shinji Okuda (6 out of 12 patents)

4. Satoshi Kubota (5 out of 18 patents)

5. Kiichi Yamashita (5 out of 8 patents)

Please report any incorrect information to [email protected]

Loading…