Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8075233 | Bolt, the axial force of which is to be determined by a supersonic wave, and a method for the manufacturing thereof | Kimihiko Asao, Koji Makino, Takashi Kato, Hideo Negishi | 2011-12-13 |
| 5546252 | Thin and small-sized flexible disc unit | — | 1996-08-13 |
| 5339523 | Method of machining sleeve bearing | — | 1994-08-23 |
| 4881141 | Driving apparatus for a magnetic head | Eiji Minai | 1989-11-14 |
| 4878139 | Loading apparatus for a magnetic disk cartridge | Eiji Minai | 1989-10-31 |
| D304045 | Wire puzzle | — | 1989-10-17 |
| 4760476 | Drive mechanism for a magnetic disk reading head | Eiji Minai | 1988-07-26 |