Inventor
Hiroshi Ikuno
Inventor
Kanagawa, JP
Overview
Patents· 47 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography74%
H10KOrganic electric solid-state devices5%
C07DHeterocyclic compounds4%
G02BOptical elements, systems or apparatus4%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds2%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments2%
C09KMaterials for miscellaneous applications, not provided for elsewhere2%
H04BTransmission2%
H04JMultiplex communication2%
PatentTitleYear
9,298,113'Electrophotographic photoconductor, image forming apparatus, and process cartridge'20169,170,558'Image forming apparatus and process cartridge including a cleaning blade which includes a cured composition'20159,143,261'Optical module'20159,122,183'Electrophotographic photoreceptor, image forming apparatus and process cartridge'20159,037,067'Image forming apparatus and process cartridge'20158,939,656'Optical module'20158,669,030'Electrophotographic photoreceptor, and image forming method and apparatus using the same'20148,652,717'Image bearing member and image forming method, image forming apparatus, and process cartridge using the same'20148,647,798'Photoreceptor, process cartridge and image forming apparatus'20148,588,630'Image forming apparatus'20138,535,863'Electrophotographic photoreceptor, and image forming apparatus and process cartridge using same'20138,440,713'[1]benzothieno[3,2-B][1]benzothiophene compound and method for producing the same, and organic electronic device using the same'20138,193,304'Benzobisthiazole compound, benzobisthiazole polymer, organic film including the compound or polymer and transistor including the organic film'20128,148,038'Image bearing member, process cartridge, image forming apparatus and method of forming image bearing member'20128,119,317'Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the photoreceptor'20128,084,170'Electrophotographic photoconductor, electrophotographic process cartridge containing the same and electrophotographic apparatus containing the same'20118,043,777'Electrophotographic photoconductor, process cartridge, and image forming apparatus'20118,043,773'Image bearing member, image forming apparatus and process cartridge'20117,858,278'Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the electrophotographic photoreceptor'20107,718,333'Electrophotographic photoconductor and method of preparing same'20107,629,103'Photoconductor, manufacturing method thereof, image forming process and image forming apparatus using photoconductor, and process cartridge'20097,556,903'Electrophotographic photoreceptor, and image forming method, apparatus and process cartridge therefor using the photoreceptor'20097,449,272'Electrophotographic photoreceptor and method of preparing the photoreceptor, and image forming method, image forming apparatus and process cartridge therefor using the photoreceptor'20087,416,823'Electrophotographic photoconductor, and image formation method, image formation apparatus, and process cartridge for image formation apparatus using the same'20087,399,563'Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same'20087,361,438'Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same'20087,295,788'Image forming apparatus and process cartridge'20077,279,260'Electrophotographic photoconductor having a crosslinked resin layer and method of preparing an electrophotographic photoconductor'20077,189,487'Electrophotographic photoreceptor, and electrophotographic apparatus, process cartridge and method using the photoreceptor'20077,179,573'Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same'20077,175,957'Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same'20076,998,209'Electrophotographic photoreceptor, and electrophotographic apparatus, process cartridge and method using the photoreceptor'20066,844,124'Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor'20056,686,114'Electrophotographic image forming method and apparatus'20046,641,964'Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor'20036,489,073'Method and device for developing electrostatic latent images'20026,432,596'Electrophotographic photoreceptor and image forming method and apparatus using the photoreceptor'20026,366,751'Image forming apparatus including preselected range between charge injection layer and voltage potential'20026,151,468'Electrophotographic photoconductor'20006,030,733'Electrophotographic photoconductor with water vapor permeability'20005,871,876'Electrophotographic photoconductor'19995,870,657'Charging apparatus for photoconductor with ozone adsorption features'19995,840,455'Electrophotographic photoconductor'19985,656,406'Electrophotographic photoconductor with amorphous carbon overlayer'19975,525,447'Electrophotographic photoconductor'19965,452,061'Image formation apparatus'19955,350,459'Organic photovoltaic element'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2010Patents assigned to RICOH KK (28)· patent assignee history
1994–2000Based in Numazu, JP· patent location history
2002–2016Based in Kanagawa, JP· patent location history
2003–2014Based in Yokohama, JP· patent location history
2010–2016Patents assigned to RICOH CO LTD (17)· patent assignee history
2011–2016Patents assigned to IKUNO HIROSHI (14)· patent assignee history
2011–2016Patents assigned to IWAMOTO TAKAFUMI (5)· patent assignee history
2014–2016Patents assigned to TOSHINE TETSUYA (5)· patent assignee history
2015Based in Hitachi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 28 | 1994–2010 |
| RICOH CO LTD | 17 | 2010–2016 |
| IKUNO HIROSHIself | 14 | 2011–2016 |
| IWAMOTO TAKAFUMI | 5 | 2011–2016 |
| TOSHINE TETSUYA | 5 | 2014–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 18 | 2002–2016 |
| Yokohama, JP | 18 | 2003–2014 |
| Numazu, JP | 9 | 1994–2000 |
| Hitachi, JP | 2 | 2015 |