Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484634 | Block copy sheet for lithographic printing plate | Seishi Kasai, Takao Nakayama | 2002-11-26 |
| 6405650 | Camera-ready copy sheet for lithograpic printing plate | Takao Nakayama, Seishi Kasai | 2002-06-18 |
| 6397746 | Camera-ready copy sheet for lithographic printing plates | Takao Nakayama, Seishi Kasai | 2002-06-04 |