Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5985077 | Reversible thermosensitive recording medium and method of producing the same | Yukio Konagaya, Takao Igawa, Fumihito Masubuchi, Akihide Itoh | 1999-11-16 |
| 5869421 | Reversible thermosensitive recording material | Atsushi Kutami, Fumihito Masubuchi, Haruhiro Horiuchi, Tetsuya Amano | 1999-02-09 |
| 5762998 | Method of producing reversible thermosensitive recording medium | Yukio Konagaya, Takao Igawa, Fumihito Masubuchi, Akihide Itoh | 1998-06-09 |
| 5643851 | Reversible thermosensitive recording label and reversible thermosensitive recording card | Yukio Konagaya, Takao Igawa, Akihide Ito, Tsutomu Kagawa, Nobuo Yamada | 1997-07-01 |
| 5625524 | Reversible thermosensitive recording medium and method of producing the same | Yukio Konagaya, Takao Igawa, Fumihito Masubuchi, Akihide Itoh | 1997-04-29 |