Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5708636 | Tracking error signal generation device | Hiroyuki Takahashi, Shinichi Nagahara, Hidehiro Ishii, Eiji Muramatsu, Akiyoshi Inoue | 1998-01-13 |
FT
Fumikazu Tahata
Overall (All Time): #3,673,969 of 4,157,543Top 90%
1
Patents All Time