Issued Patents All Time
Showing 1–5 of 5 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 |
| 5827953 | Method of testing hardness in rebound type hardness tester | Yasunori Sato, Junichi Arai | 1998-10-27 |
| 5172261 | Oscillatory mirror device with two exciting means | Shinji Kato, Soya Takagi, Kazuhiko Mori, Minoru Kawasaki | 1992-12-15 |