Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6303540 | Thermally sensitive recording medium | Tadakazu Fukuchi, Kaoru Hamada, Yuji Tsuzuki, Yoshihide Kimura, Tomoaki Nagai | 2001-10-16 |
| 6093678 | Spontaneously color changing type thermal sensitive recording medium | Kaoru Hamada, Tadakazu Fukuchi, Tomoaki Nagai, Reiko Sato | 2000-07-25 |
| 5753586 | Thermal sensitive recording sheet | Kaoru Hamada, Yoshimi Midorikawa, Tomoaki Nagai, Akio Sekine, Hiroshi Ueda | 1998-05-19 |
| 5747414 | Thermal recording sheet | Naomi Ogino, Takashi Oomori, Hiroshi Ueda, Yoshimi Midorikawa | 1998-05-05 |
| 5731262 | Thermal recording medium | Naomi Ogino, Hiroshi Ueda, Sumio Miyake, Yoshimi Midorikawa | 1998-03-24 |