Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8508219 | Object state detection apparatus and method | Ryosaku Kaji, Kiyomi Hirota | 2013-08-13 |
| 8419407 | Extruder | — | 2013-04-16 |
| 8351224 | Power conversion apparatus | Hiromichi Ohashi, Kyungmin Sung, Masamu Kamaga | 2013-01-08 |
| 6744798 | Surface-type light amplifer device and method of manufacture thereof | — | 2004-06-01 |
| 6480516 | Surface semiconductor optical amplifier with transparent substrate | — | 2002-11-12 |
| 6356693 | Semiconductor optical pulse compression waveguide | Yoshihiro Suzuki | 2002-03-12 |
| 5078989 | Skin whitening cosmetics | Hideya Ando, Akira Hashimoto, Hisatoya Kato, Yoshitsugu Ozasa | 1992-01-07 |