Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8147686 | Ballast water treatment apparatus | Shuji Ueki, Masahiro Saito, Noboru Takemura, Yukirou Kadomoto, Izumi Onishi +2 more | 2012-04-03 |
| 8147687 | Ballast water treatment apparatus | Shuji Ueki, Masahiro Saito, Noboru Takemura, Yukirou Kadomoto, Izumi Onishi +2 more | 2012-04-03 |
| 7900780 | Ballast water intake and treatment system | Shuji Ueki, Masahiro Saito, Noboru Takemura, Yukirou Kadomoto, Izumi Onishi +2 more | 2011-03-08 |
| 7833411 | Ballast water treatment apparatus | Shuji Ueki, Masahiro Saito, Noboru Takemura, Yukirou Kadomoto, Izumi Onishi +2 more | 2010-11-16 |
| 5002004 | Planing boat | Yoshikuni Kunitake, Kazuaki Kurihara | 1991-03-26 |
| 4514146 | Propeller for ship | Yasuo Irie | 1985-04-30 |