Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6109156 | Punching apparatus and punch | Akimitsu Hiraki, Yoshihiko Kurashima | 2000-08-29 |
| 5939221 | Method of recovering Na from sodium-sulfur cells | Yoshihiko Kurashima, Katsuichi Iwata | 1999-08-17 |
| 5785732 | process and apparatus for recovering Na from spent NaS cells | Katsuichi Iwata, Yoshihiko Kurashima | 1998-07-28 |
| 5778503 | Apparatus for disposing of spent NaS cells | Katsuichi Iwata, Yoshihiko Kurashima | 1998-07-14 |
| 5705289 | Process and apparatus for peeling outer tubes from spent NaS cells | Yoshihiko Kurashima, Katsuichi Iwata | 1998-01-06 |
| 5600879 | Process and apparatus for peeling outer tubes from spent NaS cells by cutting and applying an impact force | Yoshihiko Kurashima, Katsuichi Iwata | 1997-02-11 |
| 5587252 | Process for disposing of spent NaS cells | Katsuichi Iwata, Yoshihiko Kurashima | 1996-12-24 |
| 5578389 | Process for disposing of sodium sulfur cells | Katsuichi Iwata, Yoshihiko Kurashima | 1996-11-26 |
| 5543242 | Apparatus for disposing of sodium sulfur cells | Katsuichi Iwata, Yoshihiko Kurashima | 1996-08-06 |