Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11753097 | Seat cushion having an edge portion, to be used for a seat of saddle-riding vehicle, and manufacturing method thereof | Hideyoshi SATO, Tetsuya Mashiko, Sho Kakuta, Yusuke Aoyama, Shigeyuki Ozawa +1 more | 2023-09-12 |
| 11161585 | Boat | Ryutaro Iwaki, Masaru Suzuki, Shingo Igarashi, Sumihiro Takashima | 2021-11-02 |
| 10889359 | Small watercraft | Ryutaro Iwaki, Shigeyuki Ozawa, Masaru Suzuki, Shingo Igarashi | 2021-01-12 |
| 10800496 | Water jet propulsion boat | — | 2020-10-13 |
| 10689070 | Boat and personal watercraft | Sumihiro Takashima, Ryutaro Iwaki | 2020-06-23 |
| 9062578 | Engine | Koichi Nakayama | 2015-06-23 |
| 7993597 | Catalyst support structure | Susumu Yamazaki | 2011-08-09 |
| 6827048 | Cooling system for marine engine | Tetsuya Ishino | 2004-12-07 |
| 6638123 | Cooling system for small watercraft engine | — | 2003-10-28 |
| 6620007 | Cooling water jacket for small watercraft engine | — | 2003-09-16 |
| 6461208 | Exhaust and control for watercraft engine | Akitaka Suzuki, Tetsuya Mashiko | 2002-10-08 |