Issued Patents All Time
Showing 51–75 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4387986 | Manuscript feed device for an electrophotographic apparatus | Hiroshi Tsuda, Kiyoshi Miyashita, Akira Shimizu, Muneo Kasuga | 1983-06-14 |
| 4377334 | Magnet roll developing unit | — | 1983-03-22 |
| 4377229 | Apparatus for conveying copy sheet for electrophotographic copying machine | Kiyoshi Miyashita, Tatuo Takizawa, Kazuo Sugawa | 1983-03-22 |
| 4371257 | Automatic controller of electrification of magnetic toner | — | 1983-02-01 |
| 4370055 | Duplicating system comprising electrophotographic copying apparatus and option device | Kiyoshi Miyashita, Muneo Kasuga | 1983-01-25 |
| 4367037 | Temperature controller for photographic heat fixing unit | — | 1983-01-04 |
| 4365885 | Apparatus for removing unnecessary charges on a photosensitive member in an electrophotographic system | — | 1982-12-28 |
| 4354454 | Developing device with magnetic pole having magnetic spacer members | — | 1982-10-19 |
| 4338017 | Electrophotographic apparatus | — | 1982-07-06 |
| 4325625 | Electrophotographing method | Toshio Nakatsubo, Kaoru Ohyoshi, Eiichi Sato, Norio Mizukami, Akira Shimizu +4 more | 1982-04-20 |
| 4324486 | Recording device including a heating means | — | 1982-04-13 |
| 4320956 | Electrophotographic apparatus including a screen member for decreasing side edge electrostatic charge | Muneo Kasuga, Tomoki Funakubo | 1982-03-23 |
| 4318611 | Document feed control in an electrophotographic system | Hiroshi Tsuda, Kiyoshi Miyashita, Akira Shimizu, Muneo Kasuga | 1982-03-09 |
| 4307432 | Charge apparatus | — | 1981-12-22 |
| 4298270 | Electrographic apparatus | Hiroshi Tsuda, Kiyoshi Miyashita, Akira Shimizu, Muneo Kasuga | 1981-11-03 |
| 4297423 | Electrophotographic process for multiple images | — | 1981-10-27 |
| 4295734 | Filter assembly for collecting used toner of electrophotographic copying machine | Hiroshi Tsuda, Kiyoshi Miyashita, Akira Shimizu, Muneo Kasuga | 1981-10-20 |
| 4293213 | Bias voltage adjusting means for electrophotographic apparatus | Muneo Kasuga | 1981-10-06 |
| 4285025 | Corona charger | — | 1981-08-18 |
| 4279980 | Electrophotographic sensitizing screen | Norio Amemiya, Tadahiro Yasuda, Shigeru Nakayama | 1981-07-21 |
| 4277550 | Photosensitive screen for electrographic apparatus | Norio Amemiya | 1981-07-07 |
| 4273438 | Electrostatographic printing method and apparatus | — | 1981-06-16 |
| 4272597 | Electrophotographic sensitizing screen | Norio Amemiya, Tadahiro Yasuda, Shigeru Nakayama | 1981-06-09 |
| 4270860 | Electrophotographic apparatus employing a control assembly for controlling successive duplication of a document | Hiroshi Tsuda, Kiyoshi Miyashita, Akira Shimizu, Muneo Kasuga | 1981-06-02 |
| 4269503 | Toner cleaning apparatus | — | 1981-05-26 |