Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824193 | Holographic multiplexer/demultiplexer and its manufacturing method | Teizou Maeda, Toshihiro Kubota | 1989-04-25 |
HI
Hiroyuki Ishii
Overall (1989): #105,346 of 140,708Top 75%
1
Patents 1989