Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6994610 | Method and apparatus for polishing inner an internal surface of an aluminum extrusion hollow shape | Katsuhiko Inoue, Toshihiko Sasaki, Kazuo Akagi, Koji Takahashi | 2006-02-07 |
| 5316536 | Photoreceptor drum substrate and a method of manufacturing the same | Takahiro Nose, Shunichi Umemoto, Kenji Hayashi | 1994-05-31 |
| 5104615 | Precision machinable aluminum material | Osamu Takezoe | 1992-04-14 |