Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5287222 | Graded index type plastic optical transmission mediums and the manufacturing method thereof | Yoshihiro Uozu, Kouzou Mise, Nobuhiko Toyoda | 1994-02-15 |
| 4980012 | Apparatus for preparation of a sheet-shaped photoconductor | Yoshiro Nieda, Masashi Okamoto | 1990-12-25 |