Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877136 | Vibration free container for transportation | Keiichiro Mizuno | 1989-10-31 |
| 4858720 | Noise reducing apparatus | Masanori Murase, Naotaka Tomita, Keiichiro Mizuno | 1989-08-22 |
| 4840251 | Noise reducing apparatus | Masanori Murase, Naotaka Tomita | 1989-06-20 |