RN

Ryoichi Nakase

SI Sanshin Industries: 36 patents #8 of 319Top 3%
Yamaha Motor: 26 patents #18 of 2,310Top 1%
SC Sanshin Industries Co.: 2 patents #1 of 32Top 4%
Overall (All Time): #37,093 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 1–25 of 62 patents

Patent #TitleCo-InventorsDate
7381106 Watercraft steering assist system Yutaka Mizuno, Tsuide Yanagihara 2008-06-03
7118431 Watercraft steering assist system Yutaka Mizuno, Tsuide Yanagihara 2006-10-10
6565399 Watercraft catalytic exhaust system Shigeyuki Ozawa, Hiroaki Fujimoto 2003-05-20
6478644 Exhaust pipe cooling system for watercraft Shigeyuki Ozawa, Hiroaki Fujimoto 2002-11-12
6425789 Small watercraft Naoki Katoh, Shigeyuki Ozawa, Masayoshi Nanami 2002-07-30
6371819 Throttle position sensor mounting arrangement for personal watercraft engine Sigeyuki Ozawa 2002-04-16
RE37631 Exhaust timing control for a planing-type boat Masayoshi Nanami 2002-04-09
6279546 Watercraft fuel supply system Naoki Katoh, Shigeyuki Ozawa, Masayoshi Nanami 2001-08-28
6210243 Fuel pump arrangement for watercraft 2001-04-03
6200178 Small watercraft Naoki Katoh, Shigeyuki Ozawa, Masayoshi Nanami 2001-03-13
6138632 Pump control for small watercraft 2000-10-31
6120335 Catalytic exhaust system for watercraft Shigeyuki Ozawa 2000-09-19
6095876 Engine component layout Shigeyuki Ozawa 2000-08-01
6024068 Watercraft engine control Shigeyuki Ozawa, Keiichi Hiki 2000-02-15
6022253 Injection system for small watercraft Shigeyuki Ozawa 2000-02-08
6015321 Fuel pump mounting arrangement for personal watercraft Sigeyuki Ozawa 2000-01-18
6010378 Watercraft catalytic exhaust system Hiroaki Fujimoto, Shigeyuki Ozawa 2000-01-04
5967861 Throttle position sensor mounting arrangement for personal watercraft engine Sigeyuki Ozawa 1999-10-19
5954555 Oil supply system for personal watercraft Sigeyuki Ozawa 1999-09-21
5954553 Watercraft with catalytic exhaust system Shigeyuki Ozawa, Hiroaki Fujimoto 1999-09-21
5951342 Oil supply system for personal watercraft Sigeyuki Ozawa 1999-09-14
5931712 Exhaust probe arrangement for small watercraft engine Toshiyuki Hattori, Masanori Takahashi, Akihiko Hoshiba 1999-08-03
5906524 Throttle position sensor mounting arrangement for personal watercraft engine Sigeyuki Ozawa 1999-05-25
5902161 Air temperature sensor arrangement for a small watercraft 1999-05-11
5902158 Small watercraft Naoki Katoh, Shigeyuki Ozawa, Masayoshi Nanami 1999-05-11