Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348470 | Electrophotographic element containing disazo compounds | Akio Kozima, Kiyomi Ichizuka | 1982-09-07 |
| 4334020 | Method of producing L-glutamic acid by fermentation | Hidetsugu Nakazawa, Ichiro Yamane | 1982-06-08 |