Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6758729 | Centrifugal barrel finishing apparatus | — | 2004-07-06 |
| 6682401 | Method of forming an escape layer and a method of adjusting a gap in a spiral-flow barrel finishing machine | Fumiaki Kobayashi, Katsuhiro Izuhara | 2004-01-27 |
| 6682410 | Barrel container for use with dry barrel polishing | — | 2004-01-27 |
| 6379233 | Spiral-flow barrel finishing machine with gap adjusting function | Fumiaki Kobayashi, Katsuhiro Izuhara | 2002-04-30 |
| 5823861 | Spiral-flow barrel finishing machine | Hisamine Kobayashi, Katsuhiro Izuhara | 1998-10-20 |