Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5095448 | Data displaying apparatus with novel graphic position and ratio display means | Yasuji Obuchi, Akira Hamada, Hirokatsu Akiyama | 1992-03-10 |
| 5002408 | Apparatus and method for printing character and ruled line | Akira Hamada, Yasuji Obuchi, Hirokatsu Akiyama | 1991-03-26 |
| 4520354 | Display device for copying apparatus | Tadashi Umeda, Keiichi Kishimoto, Kazumi Iida, Kazunori Akiyama, Yuji Abe +1 more | 1985-05-28 |
| 4515465 | Electrostatic copying apparatus | Tadashi Umeda, Takashi Aoki | 1985-05-07 |
| 4478507 | Mount for rotary drum in an electrostatic copying apparatus | Tadashi Umeda, Takashi Aoki | 1984-10-23 |
| 4469431 | Electrostatic copying apparatus with sheet feeder | Tadashi Umeda, Takashi Aoki | 1984-09-04 |
| 4469432 | Electrostatic copying apparatus with cooling system | Tadashi Umeda, Takashi Aoki | 1984-09-04 |
| 4436411 | Toner dispenser and detector for an electrostatic copying apparatus | Tadashi Umeda, Takashi Aoki | 1984-03-13 |
| 4382674 | Electrostatic copying apparatus | Tadashi Umeda, Takashi Aoki | 1983-05-10 |