Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362470 | Ultrafine gold and/or silver chalcogenide and production thereof | Naoko Uchida, Hirofumi Ohtani, Kazuyoshi Ichikawa | 1994-11-08 |
| 5334359 | Apparatus for production of sparingly water-soluble salt crystal grains | Hirofumi Ohtani, Naoko Uchida, Chikao Mamiya | 1994-08-02 |