Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6416889 | Anti-corrosion ceramic member | Yasufumi Aihara, Keiichiro Watanabe, Shinji Kawasaki | 2002-07-09 |
| 6200516 | Production of corrosion-resistant ceramic members | Yasufumi Aihara, Keiichiro Watanabe, Shinji Kawasaki | 2001-03-13 |
| 5757659 | Automatic analysis system | Toyofumi Arai | 1998-05-26 |
| 5425847 | Removal method of glass adhered to sintered object | Mitsuyoshi Watanabe | 1995-06-20 |
| 5259921 | Removal method of glass adhered to sintered object during hot isostatic pressing process | Mitsuyoshi Watanabe, Hiroto Matsuda | 1993-11-09 |
| 5257302 | Fluorescent X-ray analyzing system | — | 1993-10-26 |
| 5137410 | Material supply apparatus for transferring powdery, granular and conglomerated materials | — | 1992-08-11 |
| 4993646 | Powdery, granular and conglomerate material treating apparatus | — | 1991-02-19 |
| 4919342 | Method of pretreating a sample for X-ray fluorescence analysis | — | 1990-04-24 |
| 4867258 | Apparatus for weighing powder materials | Yoshimoto Kosegawa | 1989-09-19 |
| 4846292 | Apparatus for automatically measuring ignition loss | — | 1989-07-11 |