Inventor
Masayuki Shoshi
Inventor
Yokohama, JP
Overview
Patents· 34 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography36%
C07DHeterocyclic compounds22%
C07CAcyclic or carbocyclic compounds11%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments11%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
B41MPrinting, duplicating, marking, or copying processes1%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation1%
H10KOrganic electric solid-state devices1%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution1%
PatentTitleYear
8,871,861'Silicone compound, photocurable liquid ink using the silicone compound, and method of manufacturing the ink'20148,383,314'Photocurable liquid developer, method for producing the same, developing device and image forming apparatus'20137,556,902'Aromatic polyester resin, and electrophotographic photoconductor and image forming apparatus using thereof'20097,452,640'Electrophotographic photoconductor for liquid development, image forming apparatus having the same, and image forming method'20087,348,113'Electrophotographic photoconductor comprising a polycarbonate resin having a dihydroxy diphenyl ether unit'20087,309,552'Electrophotographic photoconductor, electrophotography, electrophotographic apparatus, process cartridge for electrophotographic apparatus and azo compound'20077,175,958'Electrophotographic photoconductor, process for forming an image, image forming apparatus and process cartridge for the same'20076,849,367'Electrophotographic photoconductor, process for forming an image, image forming apparatus and a process cartridge for the same'20056,544,701'REACTION PRODUCT, PROCESS FOR THE PRODUCTION THEREOF, ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR USING THE REACTION PRODUCT, ELECTROPHOTOGRAPHIC APPARATUS USING THE PHOTOCONDUCTOR, AND PROCESS CARTRIDGE FOR ELECTROPHOTOGRAPHIC APPARATUS'20036,524,761'Mixture of titanyltetraazaporphyrin compounds and electrophotographic photoconductor using the same'20036,465,648'REACTION PRODUCT, PROCESS OF PRODUCING SAME, ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR USING SAME, ELECTROPHOTOGRAPHIC APPARATUS HAVING THE PHOTOCONDUCTOR, AND PROCESS CARTRIDGE FOR ELECTROPHOTOGRAPHIC APPARATUS'20026,313,288'Mixture of titanyltetraazaporphyrin compounds and electrophotographic photoconductor using the same'20016,074,792'Tetraazaporphyrin pigment for use in electrophotographic photoconductor and electrophotographic photoconductor using the same'20006,068,956'Electrophotographic photoconductor'20005,942,362'Electrophotographic photoconductor'19995,750,762'Cyclopentadiene derivative compounds and electrophotographic photoconductor comprising one cyclopentadiene derivative compound'19985,700,614'cyclopentadiene derivative compounds and electrophotographic photoconductor comprising one cyclopentadiene derivative compound'19975,618,935'Tricyclic pyrazine compound and electrophotographic photoconductor comprising the same'19975,492,784'Positively-chargeable single-layered type electrophotographic photoconductor'19965,486,438'Electrophotographic photoconductor'19965,460,909'Pyrazine compound and electrophotographic photoconductor comprising the same'19955,387,487'Electrophotographic photoconductor'19955,350,653'Electrophotographic photoconductor'19945,314,997'Optically active azo compound, producing method thereof, and liquid crystal composition containing said compound'19945,310,503'Stilbene compound, intermediate for producing the stilbene compound, method of producing the stilbene compound, and liquid crystal composition containing the stilbene compound'19945,292,896'Amino styrene derivatives'19945,234,623'Optically active oxazoline compounds, liquid crystal composition containing the same and optical switching method using the same'19935,227,512'Stilbene compound, intermediate for producing the stilbene compound, method of producing the stilbene compound, and liquid crystal composition containing the stilbene compound'19935,159,084'Optically active oxazoline compounds, liquid crystal composition containing the same and optical switching method using the same'19925,072,043'Styrene derivatives and electrophotographic photoconductor comprising one of the styrene derivatives'19914,992,109'Photoelectric conversion element'19914,603,097'Styrene derivatives and electrophotographic photoconductor comprising one of the styrene derivatives'19864,567,124'Electrophotographic element with trisazo photoconductor and an amine substituted charge transfer material'19864,444,844'Thermosensitive recording material'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2009Patents assigned to RICOH KK (32)· patent assignee history
1984–1994Based in Numazu, JP· patent location history
1991–2009Based in Yokohama, JP· patent location history
1999–2014Based in Kanagawa, JP· patent location history
2000–2007Based in Shizuoka, JP· patent location history
2002–2003Based in Nishikamo-gun, JP· patent location history
2013–2014Patents assigned to KUROTORI TSUNEO (2)· patent assignee history
2013–2014Patents assigned to RICOH CO LTD (2)· patent assignee history
2013–2014Patents assigned to SHOSHI MASAYUKI (2)· patent assignee history
2014Patents assigned to HIHARA TAKESHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 32 | 1984–2009 |
| KUROTORI TSUNEO | 2 | 2013–2014 |
| RICOH CO LTD | 2 | 2013–2014 |
| SHOSHI MASAYUKIself | 2 | 2013–2014 |
| HIHARA TAKESHI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 16 | 1991–2009 |
| Shizuoka, JP | 6 | 2000–2007 |
| Kanagawa, JP | 5 | 1999–2014 |
| Numazu, JP | 5 | 1984–1994 |
| Nishikamo-gun, JP | 2 | 2002–2003 |