YI

Yoshibumi Iwata

SI Sanshin Industries: 8 patents #50 of 319Top 20%
YM Yamaha Marine: 8 patents #11 of 137Top 9%
Yamaha Motor: 2 patents #855 of 2,310Top 40%
Overall (All Time): #259,191 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
7523735 Multiple-cylinder engine for outboard motor Kentaro Kameoka 2009-04-28
7509940 Marine engine Masanori Takahashi 2009-03-31
7441528 Outboard motor Takayuki Osakabe 2008-10-28
7395795 Outboard motor Takayuki Osakabe 2008-07-08
7213558 Intake device for outboard motor Masanori Takahashi, Satoshi Miyazaki 2007-05-08
7118435 Outboard motor Masanori Takahashi, Katsumi Ochiai 2006-10-10
6938594 Valve timing control for marine engine Goichi Katayama 2005-09-06
6800002 Valve timing control for marine engine Goichi Katayama 2004-10-05
6755163 Control device for four cycle engine of outboard motor Goichi Katayama 2004-06-29
6698401 Fuel supply control system for an outboard motor Masaru Suzuki, Hitoshi Watanabe 2004-03-02
6298815 Induction system for engine of outboard motor Yukinori Kashima, Akihiro Onoue, Masanori Takahashi 2001-10-09
6217480 Engine control Kuzuhiro Nakamura 2001-04-17
6098591 Marine engine control 2000-08-08
5975032 Engine cooling system 1999-11-02
5921829 Outboard motor cooling system 1999-07-13
5915363 Fuel supply system for an engine powering an outboard motor Noriyoshi Hiraoka 1999-06-29
5595515 Outboard motor exhaust system Junichi Hasegawa, Yukio Sumigawa 1997-01-21
5438962 Water cooled engine Akihiko Hoshiba, Junichi Hasegawa, Yasuhiko Shibata 1995-08-08