Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432518 | Erasable recording material capable of inputting additional information written thereon and information recording system and information recording method using the recording material | Masafumi Torii, Kyoji Tsutsui, Hitoshi Hattori, Toshiyuki Furuta, Tomohiko Beppu | 2002-08-13 |
| 6410478 | Reversible thermosensitive recording medium | Masafumi Torii, Masaru Shimada | 2002-06-25 |