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 51–62 of 62 patents

Patent #TitleCo-InventorsDate
4989409 Exhaust device for small sized boat engine Shigeharu Mineo 1991-02-05
4971584 Water jet propelling vessel Seiji Inoue 1990-11-20
4850908 Drawing away device of bilge water for water jet propulsion Seiji Inoue 1989-07-25
4813898 Water jet propulsion Masayoshi Nanami, Seiji Inoue 1989-03-21
4811560 Exhaust system for marine propulsion Masayoshi Nanami 1989-03-14
4773883 Motor for watercrafts Masayoshi Nanami 1988-09-27
4765075 Water propulsion unit of water jet propulsion craft Masayoshi Nanami 1988-08-23
4744322 Remote steering system for marine propulsion crafts 1988-05-17
4702714 Tilt mechanism for marine propulsion device 1987-10-27
4583953 Outboard motor 1986-04-22
4565528 Tilting mechanism for marine propulsion device 1986-01-21
4557460 Swivel bracket holding mechanism for marine propulsion device 1985-12-10