Issued Patents All Time
Showing 201–225 of 231 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5136330 | Irregular rotation prevention structure for photoconductive drum | — | 1992-08-04 |
| 5109255 | Temperature control system | Tomoyuki Nishikawa, Masahiro Kita, Takaaki Yano, Tatsuya Yoshida, Ryoji Honda +2 more | 1992-04-28 |
| 5101228 | Storage vessel detecting mechanism | Tomoyuki Nishikawa, Masahiro Kita, Takaaki Yano, Tatsuya Yoshida, Ryoji Honda +3 more | 1992-03-31 |
| 5091748 | Toner supplying mechanism | Satoru Morisawa | 1992-02-25 |
| 5061957 | Power controlling device | Tomoyuki Nishikawa, Masahiro Kita, Takaaki Yano, Tatsuya Yoshida, Ryoji Honda +2 more | 1991-10-29 |
| 4891305 | Optical information recording element | Hideaki Oba, Masaakira Umehara, Yutaka Ueda, Tetsu Yamamuro, Michiharu Abe | 1990-01-02 |
| 4791366 | Apparatus including a pair of angularly spaced sensors for detecting angle of rotation of a rotary member | Tokio Suzuki | 1988-12-13 |
| 4767693 | Optical information recording medium | Hideaki Oba, Yutaka Ueda, Masaakira Umehara, Michiharu Abe, Hitoshi Funakoshi +1 more | 1988-08-30 |
| 4760406 | Laser printer interface circuit | Noboru Murayama, Hiroshi Shimura | 1988-07-26 |
| 4758499 | Optical information recording medium | Michiharu Abe, Hideaki Oba, Masaakira Umehara, Yutaka Ueda, Tetsu Yamamuro | 1988-07-19 |
| 4752554 | Optical information recording medium | Hideaki Oba | 1988-06-21 |
| 4735839 | Optical information recording medium | Tatsuya Eida, Keiko Ichinose | 1988-04-05 |
| 4714667 | Optical information recording medium | Masaakira Umehara, Michiharu Abe, Hideaki Oba, Yutaka Ueda | 1987-12-22 |
| 4698778 | Method of processing gradation information with variable magnification | Masahiro Ito, Noboru Murayama, Koichi Suziku, Kei Sato | 1987-10-06 |
| 4696892 | Optical information recording medium | Michiharu Abe, Masaakira Umehara, Hideaki Oba, Yutaka Ueda, Makoto Kunikane | 1987-09-29 |
| 4694353 | Digital scanner | Noboru Murayama, Key Sato | 1987-09-15 |
| 4656121 | Optical information recording medium | Masaakira Umehara, Michiharu Abe, Hideaki Oba, Yutaka Ueda | 1987-04-07 |
| 4626496 | Optical information recording medium | — | 1986-12-02 |
| 4555711 | Deflection control ink jet operation adjustment control | — | 1985-11-26 |
| 4550321 | Charged ink-printer droplet detection | Masanori Horike | 1985-10-29 |
| 4527170 | Ink jet waste and replenish ink system | Kyuhachiro Iwasaki, Minoru Ameyama, Yutaka Ebi, Koichiro Jinnai | 1985-07-02 |
| 4413899 | Copying method and apparatus | Shuichi Karasawa, Fuyuhiko Matsumoto, Shuichi Tsushima, Masatoshi Saitou, Tsutomu Ishida +2 more | 1983-11-08 |
| 4370398 | Electrostatic copying process | — | 1983-01-25 |
| 4355413 | Phase locked loop circuit | — | 1982-10-19 |
| 4329416 | Methods for preparing plural layer organic electrophotographic elements | Kiyoshi Tanikawa, Masao Yoshikawa | 1982-05-11 |