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Walbro Japan, Inc.

USPTO Granted Patents = 31

Forward Citations = 260

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31 inventors (with patents filed for the assignee):

Teruhiko Tobinai (8 out of 15 patents)

Hitoshi Terakado (4 out of 8 patents)

Masao Suzuki (4 out of 4 patents)

4. Takashi Horikawa (3 out of 9 patents)

5. Takeshi Kobayashi (3 out of 36 patents)

6. Shinichi Ohgane (3 out of 6 patents)

7. Takeshi Sakaguchi (3 out of 5 patents)

8. Jun Takano (3 out of 9 patents)

9. Katsushi Habu (3 out of 3 patents)

10. Tamio Aihara (3 out of 4 patents)

11. Shin-Ichi Ohgane (3 out of 3 patents)

12. Hiroki Ogasawara (2 out of 5 patents)

13. Yoshiaki Douyama (2 out of 7 patents)

14. Hiroaki Ishii (2 out of 2 patents)

15. Hiraku Watanabe (2 out of 2 patents)

31 patents: Sort by Forward Citations

1. 7287741 - Rotary throttle valve carburetor (2007-10-30),

2. 7267327 - Throttle valve assembly and dust seal for a carburetor (2007-09-11),

3. 7152852 - Priming system for a float bowl carburetor (2006-12-26),

4. 7114708 - Rotary throttle valve carburetor (2006-10-03),

5. 7097162 - Carburetor with fuel vapor control (2006-08-29),

6. 7007931 - Rotary throttle valve carburetor (2006-03-07),

7. 6945520 - Starting assembly for a carburetor (2005-09-20),

8. 6928996 - Stratified scavenging mechanism of a two-stroke engine (2005-08-16),

9. 6896245 - Stratified scavenging carburetor (2005-05-24),

10. 6871843 - Carburetor with idle fuel supply arrangement (2005-03-29),

11. 6827337 - Rotary throttle valve carburetor (2004-12-07),

12. 6769670 - Starting assembly for a carburetor (2004-08-03),

13. 6736613 - Acceleration fuel pump having a resilient check valve member for a combustion engine carburetor (2004-05-18),

14. 6672570 - Variable venturi carburetor (2004-01-06),

15. 6644631 - Diaphragm-type carburetor (2003-11-11),

Walbro Japan, Inc. is a leading global manufacturer of outdoor power equipment and fuel systems. With a strong commitment to innovation, quality, and customer satisfaction, Walbro Japan delivers reliable and efficient products for the automotive, marine, and lawn and garden industries. With a global presence and a diverse range of products, Walbro Japan continues to be a trusted partner for businesses and consumers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

31 Patents

#911 in Tokyo

#2,217 in Japan

#20,639 in the World

Walbro Japan, Inc.

Forward Citations = 260

31 inventors:

Teruhiko Tobinai (8 out of 15 patents)

Hitoshi Terakado (4 out of 8 patents)

Masao Suzuki (4 out of 4 patents)

4. Takashi Horikawa (3 out of 9 patents)

5. Takeshi Kobayashi (3 out of 36 patents)

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