Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694385 | Optical pickup apparatus | Yoshitaka Takahashi, Masami Emoto | 1997-12-02 |
HA
Hiroshi Akiyama
Overall (1997): #142,723 of 185,788Top 80%
1
Patents 1997