YM

Yu Motoyama

Yamaha Motor: 21 patents #30 of 2,310Top 2%
📍 Iwata, JP: #44 of 782 inventorsTop 6%
Overall (All Time): #212,014 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
6109223 Operating method of two stroke direct injected engine Hidehiro Nishimura, Kousei Maebashi 2000-08-29
6085733 Ignition control system for engine Miyoshi Ishibashi, Akihiko Ohokubo, Yoshihiko Moriya 2000-07-11
6039012 Operating control system for 2 cycle direct injection engine 2000-03-21
5946908 Engine control and wall temperature sensor Yoshihiko Moriya 1999-09-07
5826557 Operation control system for direct injection 2 cycle engine Akihiko Ohokubo 1998-10-27
5732674 Engine control system Michihisa Nakamura, Yoshihiko Moriya 1998-03-31
5690063 Engine control system Takeru Ibara 1997-11-25
5682870 Air fuel ratio detecting device and system for engines 1997-11-04
5613468 Fuel injection control Takeru Ibara, Yoshihiko Moriya 1997-03-25
5211145 Fuel injection system for engine Ryuichi Ichikawa 1993-05-18
5193508 Fuel injection system Ryusuke Kato, Yoshihiko Moriya 1993-03-16
5190006 Injection arrangement for improving fuel consumption Ryusuke Kato 1993-03-02
5181493 Operation control device for in-cylinder injection engine Ryusuke Katoh 1993-01-26
5136990 Fuel injection system including supplemental fuel injector Toshikazu Ozawa, Junichi Kaku 1992-08-11
5123399 Air fuel injector assembly Junichi Kaku 1992-06-23
5113829 Two cycle internal combustion engine 1992-05-19
5105792 Fuel injection system for an engine Ryuichi Ichikawa, Takahiro Suzuki 1992-04-21
5095873 Fuel injection system and method for engine Ryusuke Kato 1992-03-17
5092287 Fuel injecting system for two cycle engine Masaki Ohsako, Keiichi Harada 1992-03-03
5063887 Exhaust control valve system for parallel multi-cylinder two-cycle engine Toshikazu Ozawa 1991-11-12
5063888 Exhaust control valve system for parallel multi-cylinder two-cycle engine Toshikazu Ozawa 1991-11-12