Issued Patents 1994
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 (1994): #108,675 of 165,921Top 70%
1
Patents 1994