Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7255617 | Personal watercraft incorporating capsize-recovery facilitating structure, and method of using same | Takeshi Kimishima, Yasunori Okazaki, Takeshi Koyabu | 2007-08-14 |
| 7168999 | Exhaust gate valve apparatus for a personal watercraft | Takeshi Kimishima, Yasunori Okazaki, Takeshi Koyabu | 2007-01-30 |
| 7156710 | Exhaust system for small-sized boat | Takeshi Kimishima, Yasunori Okazaki, Takeshi Koyabu, Masatsugu Matsumoto, Yoshiaki Noda | 2007-01-02 |
| 7128018 | Small watercraft | — | 2006-10-31 |
| 7100146 | Design system of alignment marks for semiconductor manufacture | Takashi Sato, Takuya Kouno, Takashi Sakamoto, Yoshiyuki Shioyama, Tatsuhiko Higashiki +1 more | 2006-08-29 |
| 7056174 | Drainage structure of exhaust resonator | Takeshi Kimishima, Yasunori Okazaki, Takeshi Koyabu | 2006-06-06 |
| 6800005 | Exhaust system for a small watercraft | — | 2004-10-05 |
| 6739921 | Exhaust structure of exhaust system for a boat | Jun Nakajima, Takayoshi Miura | 2004-05-25 |
| 6679742 | Exhaust structure for a jet propulsion watercraft | Takayoshi Miura, Masahiko Tsuchiya | 2004-01-20 |
| 6305307 | Braking system for small jet propulsion surfboard | — | 2001-10-23 |
| 6290557 | Exhaust system for jet propulsion boat | — | 2001-09-18 |
| 5990540 | Semiconductor device and method for manufacturing the same | — | 1999-11-23 |
| 4945271 | Supporting device for generator on engine | Hajime Tabata | 1990-07-31 |