Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484570 | Impression forming mechanism and hardness testing apparatus | Masaru Kawazoe, Takeaki Iida, Mitsuru Oda | 2002-11-26 |
| 6354148 | Rebound-type hardness tester | Yasunori Sato, Junichi Arai | 2002-03-12 |
| 6336359 | Impression forming mechanism and hardness testing apparatus | Masaru Kawazoe, Takeaki Iida, Mitsuru Oda | 2002-01-08 |