Issued Patents All Time
Showing 51–75 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6070043 | Device for cleaning a transfer belt of an image-forming machine | Ryuji Wataki, Yuzuru Nanjo | 2000-05-30 |
| 6066729 | Photothermal conversion material | Jun Taniguchi, Hiroshi Terao, Yojiro Kumagae | 2000-05-23 |
| 5973140 | Phthalocyanine compound, its intermediate, process for producing the compound, and use thereof | Yojiro Kumagae, Toshihiro Masaoka, Tsunehito Eda | 1999-10-26 |
| 5893659 | Image forming apparatus with transfer current controller and method of forming an image using the same | Yuzuru Nanjo, Ryuji Wataki, Yukihiro Aikawa | 1999-04-13 |
| 5689758 | Image-transfer and sheet-separation apparatus | Ryuji Wataki | 1997-11-18 |
| 5669054 | Multi-directional driving mechanism and transfer device for an image forming machine using such mechanism | Michio Uchida, Ryuji Wataki, Noritaka Okazaki, Yuzuru Nanjo | 1997-09-16 |
| 5640661 | Transfer device for an image forming machine | Michio Uchida, Ryuji Wataki, Noritaka Okazaki, Yuzuru Nanjo | 1997-06-17 |
| 5630194 | Image forming machine | Ryuji Wataki, Noritaka Okazaki, Michio Uchida, Yuzuru Nanjo, Yuki Ito | 1997-05-13 |
| 5603581 | Structure and method for joining extrudate member and mating member | Suguru Yoshida, Masakazu Sato | 1997-02-18 |
| 5602634 | Transfer device of image forming machine | Michio Uchida, Ryuji Wataki, Noritaka Okazaki, Yuzuru Nanjo | 1997-02-11 |
| 5574550 | Transfer device for image forming machine | Noritaka Okazaki, Ryuji Wataki, Michio Uchida, Yuzuru Nanjo | 1996-11-12 |
| RE35044 | Cyanine compounds | Masayuki Utsunomiya, Toshiyuki Nozawa, Morihiro Kamiyama | 1995-09-26 |
| 5438032 | Crystal modifications of 2-m-toluidino-3-methyl-6-di-n-butylaminofluoran, process for preparing thereof, and recording materials containing said crystal modifications | Mansuke Matsumoto, Yojiro Kumagae, Sayuri Wada, Shuichi Hashimoto | 1995-08-01 |
| 5426485 | Cleaning device for a transfer belt of an image forming apparatus | Ryuji Wataki, Noritaka Okazaki, Yuki Itoh | 1995-06-20 |
| 5408300 | Image-transfer and sheet-separation apparatus | Ryuji Wataki | 1995-04-18 |
| 5376617 | Crystal modification of 2-(3-methylanilion)-3-methyl-6-diethylamino-fluoran, process for the preparation thereof, and recording materials containing said crystal modification | Yojiro Kumagae, Mansuke Matsumoto, Sayuri Wada, Shuuichi Hashimoto | 1994-12-27 |
| 5342967 | Crystal modifications of 2-M-toluidino-3-methyl-6-di-N-butylaminofluoran, process for preparing thereof, and recording materials containing said crystal modifications | Mansuke Matsumoto, Yojiro Kumagae, Sayuri Wada, Shuichi Hashimoto | 1994-08-30 |
| 5338866 | Crystal modification of 2-(3-methylanilino)-3-methyl-6-diethylaminofluoran, process for the preparation thereof, and recording materials containing said crystal modification | Yojiro Kumagae, Mansuke Matsumoto, Sayuri Wada, Shuuichi Hashimoto | 1994-08-16 |
| 5298954 | Image forming apparatus | Ryuji Wataki | 1994-03-29 |
| 5296718 | Light emitting semiconductor device having multilayer structure | Shizuo Fujita | 1994-03-22 |
| 5294818 | MISFET including GaAs substrate and a Group II-VI gate insulator | Shizuo Fujita, Susumu Fukuda | 1994-03-15 |
| 5283513 | Battery charging device for electric vehicles | Hideki Toyota, Takahiro Iwata | 1994-02-01 |
| 5233394 | Transfer device for use in an image forming apparatus | Ryuji Wataki | 1993-08-03 |
| 5087704 | Cyanine compounds | Osamu Manabe, Shizuo Iwata, Morihiro Kamiyama | 1992-02-11 |
| 5055589 | Indolenine derivative | Osamu Manabe, Shizuo Iwata, Morihiro Kamiyama | 1991-10-08 |