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Zama Japan Kabushiki Kaisha

USPTO Granted Patents = 43

Forward Citations = 60

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18 inventors (with patents filed for the assignee):

Takumi Nonaka (17 out of 37 patents)

Hideki Watanabe (13 out of 16 patents)

Toshiyuki Kuyo (7 out of 7 patents)

4. David R Shebuski (7 out of 10 patents)

5. Jay A Perry (6 out of 6 patents)

6. Hiroyuki Oka (5 out of 5 patents)

7. Tamotsu Saito (5 out of 5 patents)

8. Mineyuki Tamura (5 out of 5 patents)

9. Hideki Sasaki (4 out of 4 patents)

10. Mamoru Toda (3 out of 10 patents)

11. Daisuke Suzuki (2 out of 2 patents)

12. Satoru Araki (2 out of 17 patents)

13. Boris Matuschka (1 out of 1 patent)

14. Kazunori Tabata (1 out of 1 patent)

15. Cory Matthew Maupin (1 out of 1 patent)

Core Competencies:

Rotary Carburetor

Fuel Injection Device

Needle Valve

Throttle Valve

Carburetor Design

Solenoid Valve

Two-Stroke Engine

Stratified Scavenging

Diaphragm Carburetor

Check Valve

Main Fuel Jet

Starting Device

43 patents: Sort by Forward Citations

1. 11614054 - Rotary type carburetor for stratefied scavenging engine (2023-03-28),

2. 11408384 - Electronically controlled fuel injector (2022-08-09),

3. 11236704 - Primary pump and carburetor using the same (2022-02-01),

4. D919665 - Needle valve for carburetors (2021-05-18),

5. 10669972 - Main fuel jet and nozzle assembly for a carburetor (2020-06-02),

6. 10655556 - Fuel injection device (2020-05-19),

7. 10634096 - Check valve (2020-04-28),

8. D877582 - Socket wrench (2020-03-10),

9. 10495029 - Carburetor with single diaphragm for supplying and metering fuel (2019-12-03),

10. D848486 - Needle valve for carburetors (2019-05-14),

11. 10273917 - Fuel injection device (2019-04-30),

12. 10267266 - Attachment structure for solenoid valve to carburetor unit (2019-04-23),

13. 10227953 - Starting device and carburetor supplying fixed amount of fuel (2019-03-12),

14. D840201 - Socket wrench (2019-02-12),

15. 10202943 - Device for adjusting adjustment valve in carburetor (2019-02-12),

ZAMA JAPAN KABUSHIKI KAISHA is a Japanese company specializing in the production and distribution of carburetors for various types of engines. With over 60 years of experience in the industry, ZAMA has established itself as a leading manufacturer trusted by professionals worldwide. Their products are known for their superior quality, reliability, and performance. Visit their website to learn more about their range of carburetors and other related products.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

43 Patents

#2 in Iwate

#1,844 in Japan

#15,570 in the World

Zama Japan Kabushiki Kaisha

Forward Citations = 60

18 inventors:

Takumi Nonaka (17 out of 37 patents)

Hideki Watanabe (13 out of 16 patents)

Toshiyuki Kuyo (7 out of 7 patents)

4. David R Shebuski (7 out of 10 patents)

5. Jay A Perry (6 out of 6 patents)

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