Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6406914 | Radiation exposure dose-history indicator | Daisuke Harumoto, Hiromichi Mizusawa, Yukiyo Niwa, Hitoshi Shirase | 2002-06-18 |
| 5384190 | Conductive substrate comprising carbon black and inorganic powders | — | 1995-01-24 |
| 5236785 | Printing sheet | Koichi Tomita, Keno Kamimura | 1993-08-17 |
| 5122411 | Electrostatic recording material | Kiyoshi Iwamoto, Tomio Oki, Keno Kamimura | 1992-06-16 |
| 5047286 | Printing sheets | Junichi Morimoto, Katumitu Tamura, Koichi Tomita | 1991-09-10 |