Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858720 | Noise reducing apparatus | Naotaka Tomita, Keiichiro Mizuno, Kazuyoshi Iida | 1989-08-22 |
| 4840251 | Noise reducing apparatus | Naotaka Tomita, Kazuyoshi Iida | 1989-06-20 |
MM
Masanori Murase
Overall (1989): #20,621 of 140,708Top 15%
2
Patents 1989