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Aisan Industry Co., Ltd.

USPTO Granted Patents = 81

EPO Patents = 3

Trademarks = 8

Forward Citations = 533

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114 inventors (with patents filed for the assignee):

Toshiharu Morino (16 out of 17 patents)

Norihiko Nakamura (15 out of 104 patents)

Takashi Katou (14 out of 17 patents)

4. Takaaki Itoh (12 out of 26 patents)

5. Mikio Minoura (11 out of 12 patents)

6. Shigetaka Takada (11 out of 22 patents)

7. Yukihiro Watanabe (8 out of 10 patents)

8. Katsuhiko Motosugi (7 out of 43 patents)

9. Masaharu Sumiyoshi (7 out of 48 patents)

10. Takeru Yasuda (7 out of 13 patents)

11. Setsuro Sekiya (7 out of 23 patents)

12. Junzo Uozumi (7 out of 9 patents)

13. Yuzo Takeuchi (7 out of 9 patents)

14. Tsuneo Ando (7 out of 8 patents)

15. Masatami Takimoto (6 out of 13 patents)

Core Competencies:

Fuel Injection

Carburetor Technology

Evaporative Emission Control

Intake Manifold Design

Fuel Supply Systems

Vapor Control Devices

Air-Fuel Ratio Control

Die Casting Methods

Multi-Cylinder Engine

Throttle Valve Adjustment

Variable Venturi Carburetor

Fuel Feed Systems

81 patents: Sort by Forward Citations

1. 8887698 - Fuel feed system (2014-11-18),

2. 8764897 - Oil type release agent for die casting method for getting solvent mixing ratio, casting method, and spray unit (2014-07-01),

3. 8114209 - Oil type release agent for die casting method for setting solvent mixing ratio, casting method, and spray unit (2012-02-14),

4. 7472682 - System having a screw (2009-01-06),

5. 6155504 - Fuel injector for an internal combustion engine (2000-12-05),

6. 6123521 - Fuel supply system having a pump with a resiliently mounted filter (2000-09-26),

7. 5870988 - Multi-cylinder engine intake manifold, intake control unit using that (1999-02-16),

8. 5829403 - Multi-cylinder engine intake manifold and intake control unit using the (1998-11-03),

9. 5409608 - Filter for in-tank pump of automobile fuel tank (1995-04-25),

10. 4872439 - Device for preventing outflow of a fuel vapor from a fuel tank (1989-10-10),

11. 4794886 - Intake device of an internal combustion engine (1989-01-03),

12. 4658796 - System for preventing loss of fuel due to evaporation (1987-04-21),

13. 4562012 - Variable venturi type carburetor (1985-12-31),

14. 4508664 - Variable venturi-type carburetor (1985-04-02),

15. 4507132 - Fuel evaporation preventing device (1985-03-26),

Aisan Industry Co., Ltd. is a leading global manufacturer of automotive systems and components. With a strong focus on innovation and quality, we provide cutting-edge solutions for engine management, fuel systems, emission control, and more. Our dedication to advanced technology and customer satisfaction has made us a preferred choice for major automotive companies worldwide. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

81 Patents

#1 in Obu-Shi

#1,261 in Japan

#9,095 in the World

Aisan Industry Co., Ltd.

Forward Citations = 533

114 inventors:

Toshiharu Morino (16 out of 17 patents)

Norihiko Nakamura (15 out of 104 patents)

Takashi Katou (14 out of 17 patents)

4. Takaaki Itoh (12 out of 26 patents)

5. Mikio Minoura (11 out of 12 patents)

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