Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D483316 | Front bumper for a personal watercraft | Kanji Kiyohara, Takeru Ohshima, Yukio Asakura | 2003-12-09 |
| D478545 | Rear bumper for personal watercraft | Kanji Kiyohara, Takeru Ohshima, Yukio Asakura | 2003-08-19 |
| 6589085 | Jet-propulsion watercraft | Yoshimoto Matsuda | 2003-07-08 |
| 6508187 | Watercraft | Yoshinori Tsumiyama, Takehiro Nakashima, Kanji Kiyohara, Haruyoshi Maruyama, Masafumi Ikeyama +5 more | 2003-01-21 |