Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693958 | Light-writing-type liquid crystal element having a photoconductor between carrier blocking layers | Akitsugu Hatano, Shinpei Higashida | 1997-12-02 |
HT
Hiroshi Torihara
Overall (1997): #140,228 of 185,788Top 80%
1
Patents 1997