Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6682401 | Method of forming an escape layer and a method of adjusting a gap in a spiral-flow barrel finishing machine | Fumiaki Kobayashi, Akihito Fujishiro | 2004-01-27 |
| 6379233 | Spiral-flow barrel finishing machine with gap adjusting function | Fumiaki Kobayashi, Akihito Fujishiro | 2002-04-30 |
| 6076249 | Method of making a tube for use in a vibratory finishing machine | Hisamine Kobayashi | 2000-06-20 |
| 5989109 | Seal protecting method for use with spiral-flow barrel finishing machine and spiral-flow barrel finishing machine with seal protecting apparatus | Hisamine Kobayashi | 1999-11-23 |
| 5823861 | Spiral-flow barrel finishing machine | Hisamine Kobayashi, Akihito Fujishiro | 1998-10-20 |
| 5803800 | Vibratory finishing machine having a helical and tubular container | Hisamine Kobayashi | 1998-09-08 |
| 5797498 | Magnetic separator and sweeping brush used therein | Hisamine Kobayashi | 1998-08-25 |
| 5348637 | Surface treatment apparatus for workpieces | Hisamine Kobayashi, Takeo Suzuki | 1994-09-20 |
| 5189842 | Barrel finishing machine | Hisamine Kobayashi | 1993-03-02 |
| 4949510 | Full-automatic multi-function barrel finishing machine | Hisamine Kobayashi | 1990-08-21 |
| 4807403 | Rotating barrel finishing method under heavy resultant force | Hisamine Kobayashi | 1989-02-28 |
| 4664431 | Apparatus for closing and reopening the cover for a container | Hisamine Kobayashi | 1987-05-12 |
| 4638600 | Multi-function work finshing machine using barrel containers | Hisamine Kobayashi | 1987-01-27 |