Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6779995 | Process and apparatus for supplying rare earth metal-based alloy powder | Shuhei Okumura, Akira Nakamura | 2004-08-24 |
| 6755883 | Punch, powder pressing apparatus and powder pressing method | Shinji Kidowaki | 2004-06-29 |
| 6656417 | Punch, powder pressing apparatus and powder pressing method | Shinji Kidowaki | 2003-12-02 |
| 6649124 | Powder pressing apparatus and powder pressing method | Shinji Kidowaki, Tsutomu Harada | 2003-11-18 |
| 6482349 | Powder pressing apparatus and powder pressing method | Tsutomu Harada | 2002-11-19 |
| 6481993 | Process and apparatus for supplying rare earth metal-based alloy powder | Shuhei Okumura, Akira Nakamura | 2002-11-19 |
| 6332932 | Punch, powder pressing apparatus and powder pressing method | Shinji Kidowaki | 2001-12-25 |
| 6299832 | Process and apparatus for supplying rare earth metal-based alloy powder | Shuhei Okumura, Akira Nakamura | 2001-10-09 |
| 5662943 | Fabrication methods and equipment for granulated powders | Osamu Yamashita, Tsunekazu Saigo, Hirokazu Kitayama, Hiroshi Hashikawa | 1997-09-02 |
| 5575830 | Fabrication methods and equipment for granulated powders | Osamu Yamashita, Tsunekazu Saigo, Hirokazu Kitayama, Hiroshi Hashikawa | 1996-11-19 |