Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5432033 | Method of electrophotographically forming visual image | Tadashi Kodama, Yasuo Nozue, Yoshihiro Noguchi, Yoshiko Meguro | 1995-07-11 |
| 5429900 | Magnetic developer | Ryuji Goto, Akihiko Funakawa | 1995-07-04 |
| 5412454 | Compactm low profile elecrophotographic printer | — | 1995-05-02 |
| 5406353 | Portable electrophotographic printer having magnetic charging device | — | 1995-04-11 |
| 5390014 | Portable electrophotographic image forming apparatus | Katsutomo Ohmika | 1995-02-14 |
| 5374978 | Developing method | Tsutomu Saitou, Akihiko Funakawa | 1994-12-20 |
| 5371571 | Portable electrophotographic printer of reduced height | — | 1994-12-06 |
| 5153616 | Method for recording images | Fumio Kimura | 1992-10-06 |
| 5064739 | Method of developing electrostatic charge pattern with magnetic developer | Fumio Kimura, Ryuji Gotoh | 1991-11-12 |
| 4912003 | Reverse development method | Fumio Kimura | 1990-03-27 |
| 4873540 | Image recording method | Kimura Fumio | 1989-10-10 |
| 4865936 | Electrophotographic reversal development method using magnetic field and specified development gap | Toshio Kumakura | 1989-09-12 |
| 4529680 | Magnetic toner for pressure fixation | Koji Noguchi, Hideyuki Itoi, Katsumi Funakoshi | 1985-07-16 |
| 4518673 | Electrophotographic developer | Koji Noguchi, Fumio Kimura | 1985-05-21 |
| 4309498 | Electrophotography using a magnetic brush | Keitaro Yamashita, Ryuji Goto | 1982-01-05 |
| 4277552 | Magnetic developing process and toner containing high coercive force magnetic powder | Kohji Noguchi | 1981-07-07 |
| 4231320 | Magnetic brush-toner supply hopper | Keitaro Yamashita | 1980-11-04 |