Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4500199 | Electrophotographic apparatus comprising detection assembly for detecting record paper shortage | Akira Shimizu, Tadashi Nishio | 1985-02-19 |
| 4494748 | Collator | Kiyoshi Miyashita, Akira Shimizu, Fumitaka Ozeki, Hiroshi Tsuda, Katsuhiko Kimura +3 more | 1985-01-22 |
| 4469323 | Collator with collate mode, non-collate mode and job separation mode | Kiyoshi Miyashita, Akira Shimizu, Fumitaka Ozeki, Hiroshi Tsuda, Katsuhiko Kimura +3 more | 1984-09-04 |
| 4415260 | Duplicating system comprising electrophotographic copier and option device | Kiyoshi Miyashita, Masaji Nishikawa | 1983-11-15 |
| 4408870 | Duplicating system comprising electrophotographic copying apparatus and option devices | Masaji Nishikawa, Kiyoshi Miyashita | 1983-10-11 |
| 4408756 | Collator with collate mode and job separation mode | Kiyoshi Miyashita, Akira Shimizu, Fumitaka Ozeki, Hiroshi Tsuda, Katsuhiko Kimura +3 more | 1983-10-11 |
| 4405224 | Electrophotographic apparatus having means for removing undesired charge concentrated on an edge portion of a photosensitive member | Masaji Nishikawa, Tomoki Funakubo | 1983-09-20 |
| 4395115 | Conveyor unit for book carrier in electro-photographic copying machines | Hiroshi Tsuda, Kiyoshi Miyashita, Akira Shimizu, Masaji Nishikawa | 1983-07-26 |
| 4387986 | Manuscript feed device for an electrophotographic apparatus | Hiroshi Tsuda, Kiyoshi Miyashita, Masaji Nishikawa, Akira Shimizu | 1983-06-14 |
| 4370055 | Duplicating system comprising electrophotographic copying apparatus and option device | Masaji Nishikawa, Kiyoshi Miyashita | 1983-01-25 |
| 4320956 | Electrophotographic apparatus including a screen member for decreasing side edge electrostatic charge | Masaji Nishikawa, Tomoki Funakubo | 1982-03-23 |
| 4318611 | Document feed control in an electrophotographic system | Hiroshi Tsuda, Kiyoshi Miyashita, Masaji Nishikawa, Akira Shimizu | 1982-03-09 |
| 4298270 | Electrographic apparatus | Hiroshi Tsuda, Kiyoshi Miyashita, Masaji Nishikawa, Akira Shimizu | 1981-11-03 |
| 4295734 | Filter assembly for collecting used toner of electrophotographic copying machine | Hiroshi Tsuda, Kiyoshi Miyashita, Masaji Nishikawa, Akira Shimizu | 1981-10-20 |
| 4293213 | Bias voltage adjusting means for electrophotographic apparatus | Masaji Nishikawa | 1981-10-06 |
| 4270860 | Electrophotographic apparatus employing a control assembly for controlling successive duplication of a document | Hiroshi Tsuda, Kiyoshi Miyashita, Masaji Nishikawa, Akira Shimizu | 1981-06-02 |
| 4269502 | Electrophotographic copying apparatus for copying manuscripts without interruptions | Hiroshi Tsuda, Kiyoshi Miyashita, Masaji Nishikawa, Akira Shimizu | 1981-05-26 |
| 4264190 | Toner cleaning device for an electrophotographic apparatus | Hiroshi Tsuda, Kiyoshi Miyashita, Masaji Nishikawa, Akira Shimizu | 1981-04-28 |
| 4260236 | Electrophotographic apparatus | Hiroshi Tsuda, Kiyoshi Miyashita, Masaji Nishikawa, Akira Shimizu | 1981-04-07 |
| 4257700 | Electrophotographic apparatus | Hiroshi Tsuda, Kiyoshi Miyashita, Masaji Nishikawa, Akira Shimizu | 1981-03-24 |
| 4253760 | Electrophotographic apparatus for printing multiple copies of an image on a photosensitive member | Hiroshi Tsuda, Kiyoshi Miyashita, Masaji Nishikawa, Akira Shimizu | 1981-03-03 |
| 4227233 | Corona discharge device for electrographic apparatus | Masaji Nishikawa | 1980-10-07 |
| 4215931 | Electrophotographic apparatus | Hiroshi Tsuda, Kiyoshi Miyashita, Masaji Nishikawa, Akira Shimizu | 1980-08-05 |
| 4204730 | Electrophotographic apparatus | Kiyoshi Miyashita | 1980-05-27 |