Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5068133 | Process for producing heat-sensitive recording material using roll blade coating | Hisashi Matsumoto | 1991-11-26 |
| 4962079 | Overcoated heat-sensitive record materials | Hisashi Matsumoto, Nobuyuki Takahashi, Tetsuya Inoue | 1990-10-09 |