Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9343605 | Photovoltaic equipment | Youji Ono | 2016-05-17 |
| 9158042 | Fresnel lens sheet for solar concentration and design method therefor | Youji Ono, Ichiro Matsuzaki | 2015-10-13 |
| 7339733 | Fresnel lens sheet and rear projection screen using it | Kazunori Hirose | 2008-03-04 |
| 5401198 | Jet pump system for a water jet propelled boat | Hiroshi Tasaki | 1995-03-28 |
| 5387141 | Navigation stabilizing system for water jet propulsion vessel | Kiyonobu Kobayashi | 1995-02-07 |
| 5324216 | Jet pump system for a water jet propelled boat | Hiroshi Tasaki | 1994-06-28 |
| 5244425 | Water injection propulsion unit | Hiroshi Tasaki, Kazumasa Ito | 1993-09-14 |
| 5199913 | Small, jet-propelled boat | Hiroshi Tasaki | 1993-04-06 |
| 5108257 | Impeller for turbo pump for water jet propulsion machinery, and turbo pump including same impeller | Tetsuo Fukazawa | 1992-04-28 |
| 4955836 | Outboard motor | Tomonori Suzuki | 1990-09-11 |
| 4613310 | Outboard motor | Tomonori Suzuki | 1986-09-23 |
| 4588385 | Water cooled, four-cycle internal combustion engine for outboard motors | Tomonori Suzuki | 1986-05-13 |
| 4582493 | Driving device for an outboard motor | Yukio Sumigawa | 1986-04-15 |
| 4545332 | Water-cooled, four-cycle internal combustion engine for outboard motors | Tomonori Suzuki | 1985-10-08 |