Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11338393 | Manufacturing method of processed resin substrate and laser processing apparatus | Kock Khuen SEET, Masakazu Sakamoto, Hiroto Tamaki | 2022-05-24 |
| RE39491 | Optical disk vibration sensing and reproducing device | Takumi Ota, Akihiro Kishishita, Kiyoshi Kodani | 2007-02-20 |
| 6123642 | Speed change control apparatus for engine | Takeshi Saito, Motoyuki Hayashida, Atsushi Hayashida | 2000-09-26 |
| 6081491 | Optical disk vibration sensing and reproducing device | Takumi Ota, Akihiro Kishishita, Kiyoshi Kodani | 2000-06-27 |
| 6009053 | Optical disk vibration sensing and reproducing device | Takumi Ota, Akihiro Kishishita, Kiyoshi Kodani | 1999-12-28 |
| 5886966 | Optical disk vibration sensing and reproducing device | Takumi Ota, Akihiro Kishishita, Kiyoshi Kodani | 1999-03-23 |
| 5127516 | Conveyor having grooved conveyor rails | — | 1992-07-07 |