Issued Patents All Time
Showing 26–50 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6144354 | Image display apparatus | Fumio Koyama, Keijiro Naito | 2000-11-07 |
| 6115084 | Projection-type display apparatus | Satoshi Hirashima, Keijiro Naito, Mamoru Kobayashi | 2000-09-05 |
| 5990979 | Gamma correction circuit and video display apparatus using the same | Fumio Koyama | 1999-11-23 |
| 5951136 | Projection display apparatus | Mutsuya Furuhata, Takeshi Takizawa, Motoyuki Fujimori, Akitoshi Kuroda, Shinji Haba | 1999-09-14 |
| 5909944 | Projection-type display apparatus | Akitaka Yajima, Motoyuki Fujimori, Mutsuya Furuhata, Tomiyoshi Ushiyama, Terunaga Koide +3 more | 1999-06-08 |
| 5905540 | Projection-type display apparatus | Satoshi Hirashima, Keijiro Naito, Mamoru Kobayashi | 1999-05-18 |
| RE36060 | Liquid crystal video projector having lamp and cooling control and remote optics and picture attribute controls | — | 1999-01-26 |
| 5782548 | Image projection system and a method of controlling a projected pointer | — | 1998-07-21 |
| 5743610 | Projection-type display apparatus | Akitaka Yajima, Motoyuki Fujimori, Mutsuya Furuhata, Tomiyoshi Ushiyama, Terunaga Koide +3 more | 1998-04-28 |
| 5136397 | Liquid crystal video projector having lamp and cooling control and remote optics and picture attribute controls | — | 1992-08-04 |
| 5125773 | Boring bar | Hiroyuki Miyashita, Yukio Matsumura | 1992-06-30 |
| 4894538 | Scanning device for scanning tunneling microscope | Masashi Iwatsuki, Kimio Ohi, Kazuma SUZUKI | 1990-01-16 |
| 4551010 | Original conveying apparatus for electrophotographic copying machines | Fumitaka Ozeki, Hiroshi Tsuda | 1985-11-05 |
| 4494748 | Collator | Muneo Kasuga, 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 | Muneo Kasuga, Akira Shimizu, Fumitaka Ozeki, Hiroshi Tsuda, Katsuhiko Kimura +3 more | 1984-09-04 |
| 4460269 | Automatic document feeder for use in combination with an electrophotographic copying machine | Masaru Yamazaki, Hideyuki Kawazu, Osamu Ishimoto | 1984-07-17 |
| 4420152 | Apparatus for peeling or separating a record paper from a photosensitive drum of an electrophotographic copying machine | — | 1983-12-13 |
| 4415260 | Duplicating system comprising electrophotographic copier and option device | Muneo Kasuga, Masaji Nishikawa | 1983-11-15 |
| 4408756 | Collator with collate mode and job separation mode | Muneo Kasuga, Akira Shimizu, Fumitaka Ozeki, Hiroshi Tsuda, Katsuhiko Kimura +3 more | 1983-10-11 |
| 4408870 | Duplicating system comprising electrophotographic copying apparatus and option devices | Masaji Nishikawa, Muneo Kasuga | 1983-10-11 |
| 4395115 | Conveyor unit for book carrier in electro-photographic copying machines | Hiroshi Tsuda, Akira Shimizu, Masaji Nishikawa, Muneo Kasuga | 1983-07-26 |
| 4387986 | Manuscript feed device for an electrophotographic apparatus | Hiroshi Tsuda, Masaji Nishikawa, Akira Shimizu, Muneo Kasuga | 1983-06-14 |
| 4377229 | Apparatus for conveying copy sheet for electrophotographic copying machine | Tatuo Takizawa, Kazuo Sugawa, Masaji Nishikawa | 1983-03-22 |
| 4370055 | Duplicating system comprising electrophotographic copying apparatus and option device | Masaji Nishikawa, Muneo Kasuga | 1983-01-25 |
| 4363477 | Extra sheet feeder for copying machine | — | 1982-12-14 |