Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331621 | Optical pickup apparatus and a hologram element used for same | Takahiro Miyake, Yoshio Yoshida, Tetsuo Ueyama, Yukio Kubata | 1994-07-19 |
KK
Katushiro Kubo
Overall (All Time): #3,802,443 of 4,157,543Top 95%
1
Patents All Time