Issued Patents All Time
Showing 26–50 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5225878 | Image forming apparatus | Masaki Asano, Shuji Iino, Akihito Ikegawa | 1993-07-06 |
| 5198317 | Organic photosensitive member comprising a charge transport layer with a binder resin and a solvent | Shuji Iino, Isao Doi, Kenji Masaki | 1993-03-30 |
| 5192974 | Contract charger | Akihito Ikegawa, Masaki Asano, Shuji Iino | 1993-03-09 |
| 5168315 | Image forming method for forming images on copier paper having a specific construction using a toner having a specific particle diameter and an image forming device which uses said toner and copier paper | Eiichi Sano, Shuji Iino | 1992-12-01 |
| 5166018 | Photosensitive member with hydrogen-containing carbon layer | Shuji Iino, Hideo Hotomi, Mitsutoshi Nakamura | 1992-11-24 |
| 5155002 | Image forming method | Seishi Ojima, Kenji Masaki, Shuji Iino, Isao Doi | 1992-10-13 |
| 5139906 | Photosensitive medium with a protective layer of amorphous hydrocarbon having an absorption coefficient greater than 10,000 cm.sup.-1 | Isao Doi, Shuji Iino, Kenji Masaki | 1992-08-18 |
| 5138381 | Image forming apparatus equipped with separating pawl with specified surface roughness | Kenji Masaki, Shuji Iino, Isao Doi | 1992-08-11 |
| 5125644 | Separating device for sheet-like member including separating pawl coated with amorphous carbon layer | Kenji Masaki, Shuji Iino, Isao Doi | 1992-06-30 |
| 5096793 | Photosensitive member excellent in antioxidation | Isao Doi | 1992-03-17 |
| 5043769 | Cleaning device | Shuji Iino | 1991-08-27 |
| 5000831 | Method of production of amorphous hydrogenated carbon layer | Shuji Iino, Hideo Hotomi | 1991-03-19 |
| 4994337 | Photosensitive member having an overcoat layer | Kenji Masaki, Isao Doi | 1991-02-19 |
| 4971880 | Developer containing halogenated amorphous carbon particles prepared by plasma-polymerization | Hideo Hotomi, Isao Doi, Masanori Fujiwara, Shuji Iino, Kenji Masaki | 1990-11-20 |
| 4965156 | Photosensitive member having an overcoat layer and process for manufacturing the same | Hideo Hotomi, Kenji Masaki, Shuji Iino, Masanori Fujiwara, Isao Doi | 1990-10-23 |
| 4950571 | Photosensitive member composed of charge transporting layer and charge generating layer | Hideo Hotomi, Mitsutoshi Nakamura, Shuji Iino | 1990-08-21 |
| 4939054 | Photosensitive member composed of amorphous carbon charge transporting layer and charge generating layer | Hideo Hotomi, Mitsutoshi Nakamura, Shuji Iino | 1990-07-03 |
| 4939056 | Photosensitive member | Hideo Hotomi, Kenji Masaki, Hideaki Ueda | 1990-07-03 |
| 4933247 | Organic photosensitive member with non-directive upheave patterns on the surface of protective layer made of amorphous carbon | Kenji Masaki | 1990-06-12 |
| 4913993 | Photosensitive member composed of charge transporting layer and charge generating layer | Shuji Iino, Hideo Hotomi, Mitsutoshi Nakamura | 1990-04-03 |
| 4913994 | Photosensitive member composed of charge transporting layer and charge generating layer | Shuji Iino, Hideo Hotomi, Mitsutoshi Nakamura | 1990-04-03 |
| 4912007 | Image forming method using toner of pH 2.5-6.5 | Kenji Masaki | 1990-03-27 |
| 4906544 | Photosensitive member of plasma polymerized amorphous carbon charge transporting layer and charge generating layer | Shuji Iino, Hideo Hotomi, Mitsutoshi Nakamura | 1990-03-06 |
| 4902595 | Photosensitive member having an overcoat lyer and process for manufacturing the same | Kenji Masaki, Yumiko Takedomi, Masanori Fujiwara | 1990-02-20 |
| 4891292 | Photosensitive member having an amorphous carbon overcoat layer | Kenji Masaki, Isao Doi, Masanori Fujiwara | 1990-01-02 |