Inventor
Izumi Osawa
Inventor
Ikeda, JP
Overview
Patents· 73 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography81%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
Y10TTechnical subjects covered by former us classification2%
B41JTypewriters1%
B82YSpecific uses or applications of nanostructures1%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds1%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties1%
C09DCoating compositions, e.g. paints, varnishes or lacquers1%
C23CCoating metallic material1%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices1%
PatentTitleYear
6,287,374'Pigment and process for producing the same, water base ink and process for producing the same'20016,145,966'Ink jet recording head'20005,623,716'Process for image forming using a photosensitive member having an amorphous carbon layer as an outermost surface layer'19975,576,807'Image forming apparatus having a contact type charging device'19965,572,294'Contact charger and image forming apparatus provided with same'19965,568,231'Charging device for charging the surface of a photosensitive member in an electrophotographic image forming device'19965,557,372'Contact charger and image forming apparatus provided with same'19965,552,865'Charging device and method for charging a charge-receiving member by a charging member by discharge therebetween based on difference in electric potential between the charging member and the charge-receiving member'19965,536,610'Photosensitive member having surface protective layer with specified optical properties'19965,504,560'Photosensitive member-protective shutter'19965,504,559'Method for image formation'19965,489,973'An electrically conductive member of an image forming apparatus containing an impurity atom'19965,396,317'Magnetic particle-containing member for use in copying machine'19955,376,425'Contact member for controlling an electrostatic state of a chargeable member'19945,371,578'Image forming apparatus including means for removing counter charged toner from the charging means'19945,330,873'Production method of photosensitive member by eliminating outermost surface portion of photosensitive layer'19945,328,790'Photoreceptor for use in contact charging method and image forming apparatus employing said photoreceptor'19945,308,727'Photosensitive member excellent in antioxidation'19945,289,234'Image forming apparatus with charge brush'19945,278,614'Contact charger and image forming apparatus incorporating the contact charger'19945,245,386'Contact charging device having a brush restricting member'19935,242,776'Organic photosensitive member having fine irregularities on its surface'19935,242,773'Photosensitive member having fine cracks in surface protective layer'19935,241,342'Image forming apparatus having a charging member and means for protecting the image bearing surface charged by the charging member'19935,232,799'Organic photosensitive member comprising a binder resin and a solvent'19935,225,878'Image forming apparatus'19935,198,317'Organic photosensitive member comprising a charge transport layer with a binder resin and a solvent'19935,192,974'Contract charger'19935,168,315'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'19925,166,018'Photosensitive member with hydrogen-containing carbon layer'19925,155,002'Image forming method'19925,139,906'Photosensitive medium with a protective layer of amorphous hydrocarbon having an absorption coefficient greater than 10,000 cm.sup.-1'19925,138,381'Image forming apparatus equipped with separating pawl with specified surface roughness'19925,125,644'Separating device for sheet-like member including separating pawl coated with amorphous carbon layer'19925,096,793'Photosensitive member excellent in antioxidation'19925,043,769'Cleaning device'19915,000,831'Method of production of amorphous hydrogenated carbon layer'19914,994,337'Photosensitive member having an overcoat layer'19914,971,880'Developer containing halogenated amorphous carbon particles prepared by plasma-polymerization'19904,965,156'Photosensitive member having an overcoat layer and process for manufacturing the same'19904,950,571'Photosensitive member composed of charge transporting layer and charge generating layer'19904,939,056'Photosensitive member'19904,939,054'Photosensitive member composed of amorphous carbon charge transporting layer and charge generating layer'19904,933,247'Organic photosensitive member with non-directive upheave patterns on the surface of protective layer made of amorphous carbon'19904,913,994'Photosensitive member composed of charge transporting layer and charge generating layer'19904,913,993'Photosensitive member composed of charge transporting layer and charge generating layer'19904,912,007'Image forming method using toner of pH 2.5-6.5'19904,906,544'Photosensitive member of plasma polymerized amorphous carbon charge transporting layer and charge generating layer'19904,902,595'Photosensitive member having an overcoat lyer and process for manufacturing the same'19904,891,291'Photosensitive member having an amorphous carbon overcoat layer'19904,891,292'Photosensitive member having an amorphous carbon overcoat layer'19904,886,724'Photosensitive member having an overcoat layer and process for manufacturing the same'19894,882,256'Photosensitive member having an overcoat layer comprising amorphous carbon'19894,876,168'Photosensitive member comprising charge generating layer and charge transporting layer comprising amorphous carbon containing chalogen or transition metal'19894,871,632'Photosensitive member comprising charge generating layer and charge transporting layer'19894,868,076'Photosensitive member comprising charge generating layer and charge transporting layer'19894,863,820'Photosensitive member having amorphous silicon-germanium layer and process for producing same'19894,851,313'Photosensitive member comprising charge generating layer and charge transporting layer and process for preparing same'19894,842,989'Resist layer and process for forming resist pattern thereon'19894,810,606'Photosensitive member comprising charge generating layer and charge transporting layer'19894,801,515'Photosensitive member having an overcoat layer'19894,797,338'Photosensitive member comprising charge generating layer and charge transporting layer'19894,749,636'Photosensitive member with hydrogen-containing carbon layer'19884,743,522'Photosensitive member with hydrogen-containing carbon layer'19884,741,982'Photosensitive member having undercoat layer of amorphous carbon'19884,738,912'Photosensitive member having an amorphous carbon transport layer'19884,699,864'Image forming method using long wavelength light source'19874,698,287'Photosensitive member having an amorphous silicon layer'19874,686,164'Electrophotosensitive member with multiple layers of amorphous silicon'19874,683,185'Electrophotosensitive member having a depletion layer'19874,683,184'Electrophotosensitive member having alternating amorphous semiconductor layers'19874,681,825'Electrophotosensitive member having an amorphous silicon-germanium layer'19874,659,639'Photosensitive member with an amorphous silicon-containing insulating layer'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1997Patents assigned to MINOLTA CAMERA KK (66)· patent assignee history
1987–2001Based in Ikeda, JP· patent location history
1989–1996Based in Osaka, JP· patent location history
1994Patents assigned to TOEI SANGYO KK (1)· patent assignee history
1996–2001Patents assigned to MINOLTA CO LTD (7)· patent assignee history
2001Patents assigned to YANAGIDA SHOZO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINOLTA CAMERA KK | 66 | 1987–1997 |
| MINOLTA CO LTD | 7 | 1996–2001 |
| TOEI SANGYO KK | 1 | 1994 |
| YANAGIDA SHOZO | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ikeda, JP | 56 | 1987–2001 |
| Osaka, JP | 17 | 1989–1996 |