Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4681669 | Method for producing magnetic recording media | Toshiro Takahashi, Tadao Tokushima, Yoshifumi Suzuki | 1987-07-21 |
YW
Yukio Wakui
Nippon Gakki Seizo: 1 patents #163 of 332Top 50%
Overall (All Time): #151,254 of 4,157,543Top 4%
26
Patents All Time