Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6524759 | Reversible recording medium, and reversible recording method and apparatus using the same | Hiroyuki Sugimoto, Shigeaki Nimura, Nobuyuki Tamaoki, Hiroo Matsuda | 2003-02-25 |
| 6514328 | Marking ink composition and display medium using the same | Ikuo Katoh, Hitoshi Kondoh, Kunio Hayakawa, Mitsunobu Morita, Takashi Okada | 2003-02-04 |
| 5547500 | Reversible thermal coloring compositions, and recording media and methods using the same | — | 1996-08-20 |