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For the Inventor, By the Inventor

Singapore, Singapore

Sunstar Engineering Pte. Ltd.


USPTO Granted Patents = 76



Trademarks = 7

Forward Citations = 398

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118 inventors (with patents filed for the assignee):

goldMedal Yoshinori Shinagawa (6 out of 6 patents)

silverMedal Shinji Okuda (6 out of 12 patents)

bronzeMedal Satoshi Kubota (5 out of 18 patents)

4.  Eiji Hattori (5 out of 5 patents)

5.  Fumihiko Metsugi (5 out of 5 patents)

6.  Issei Oura (5 out of 5 patents)

7.  Takuro Omachi (4 out of 4 patents)

8.  Hiroyuki Nagata (4 out of 4 patents)

9.  Masaharu Takada (4 out of 14 patents)

10.  Tsuyoshi Nagata (4 out of 5 patents)

11.  Akihito Ohata (4 out of 4 patents)

12.  Kiichi Yamashita (3 out of 6 patents)

13.  Tsuyoshi Nakatsuji (3 out of 3 patents)

14.  Masayoshi Matsumura (3 out of 3 patents)

15.  Cesare Brioschi (3 out of 4 patents)


Core Competencies:
Curable Composition
Urethane-Based Adhesive
Sintered Friction Material
Deodorizing Machine
Brake Disc
Thermally Crosslinkable Composition
Hydraulic Operating Device
Anti-Slip Structure
Bactericidal Agent Composition
Crosslinking Polymer-Supported Film
Filling Apparatus
Application Tool

76 patents:

1. 12496599 - Dispenser and nozzle for discharging mixture of gas and paste material and mechanical foaming device (2025-12-16),
2. 12473393 - Curable composition (2025-11-18),
3. 12422009 - Rotation transmission disc (2025-09-23),
4. 12344743 - Curing composition (2025-07-01),
5. 12234386 - Urethane-based adhesive for automobile (2025-02-25),
6. 12055191 - Rotation transmission disc (2024-08-06),
7. D1033619 - Sterilization deodorizer (2024-07-02),
8. 12000472 - Sprocket (2024-06-04),
9. 11920028 - Curable composition and method for producing curable composition (2024-03-05),
10. 11859682 - Brake disc (2024-01-02),
11. 11786628 - Air purifier (2023-10-17),
12. 11739239 - Thermally crosslinkable composition (2023-08-29),
13. 11635120 - Sintered friction material for brake (2023-04-25),
14. 11572493 - Adhesive composition (2023-02-07),
15. 11554407 - Method for manufacturing brake disc and brake disc (2023-01-17),
Sunstar Engineering is a leading engineering firm based in Singapore, specializing in providing professional engineering and consulting services. With a team of experienced engineers and industry experts, we offer specialized solutions in the fields of mechanical, electrical, and civil engineering. We have a proven track record of successfully delivering projects across various industries, including infrastructure, construction, and renewable energy. Our commitment to exceptional quality, innovative design, and client satisfaction sets us apart in the industry. Visit our website to learn more about our services and explore how we can assist you with your engineering needs.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

76 Patents

#39 in Singapore

#39 in Singapore

#9,501 in the World

...
Singapore, Singapore

Sunstar Engineering Pte. Ltd.

Forward Citations = 398

118 inventors:

goldMedal Yoshinori Shinagawa (6 out of 6 patents)

silverMedal Shinji Okuda (6 out of 12 patents)

bronzeMedal Satoshi Kubota (5 out of 18 patents)

4.  Eiji Hattori (5 out of 5 patents)

5.  Fumihiko Metsugi (5 out of 5 patents)

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