Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6883455 | Personal watercraft and buffer member for personal watercraft | Kiyoaki Maeda, Takeru Oshima, Yukio Asakura | 2005-04-26 |
| 6848383 | Personal watercraft | Kiyoaki Maeda, Takeru Oshima, Yukio Asakura | 2005-02-01 |
| D483316 | Front bumper for a personal watercraft | Kiyoaki Maeda, Takeru Ohshima, Yukio Asakura | 2003-12-09 |
| D478545 | Rear bumper for personal watercraft | Kiyoaki Maeda, Takeru Ohshima, Yukio Asakura | 2003-08-19 |
| 6508187 | Watercraft | Kiyoaki Maeda, Yoshinori Tsumiyama, Takehiro Nakashima, Haruyoshi Maruyama, Masafumi Ikeyama +5 more | 2003-01-21 |
| 6318286 | Hull shape of personal watercraft | Takehiro Nakashima, Haruyoshi Maruyama, Mitsuhiro Yazaki, Hisashi Fujii | 2001-11-20 |
| 6237522 | Bottom structure of personal watercraft | Mitsuhiro Yazaki, Takehiro Nakashima, Haruyoshi Maruyama, Hisashi Fujii, Takeshi Sugawara | 2001-05-29 |
| 4395817 | Method of making keyboard switches | Takafumi Asada, Kazuyoshi Shinohara, Tadashi Sakairi | 1983-08-02 |