Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645898 | Method for manufacturing a magnetic recording member | Iwao Okamoto, Chiaki Okuyama | 1997-07-08 |
| 5610692 | Toner hopper lockout mechanism | Jeffrey L. Trask, Hiroyuki Honda | 1997-03-11 |
| 5591545 | Carbon material and method for producing same | Kohichi Miyashita, Atsushi Demachi, Minoru Noguchi, Naohiko Oki | 1997-01-07 |