Inventor
Katsuhiro Nagayama
Inventor
Nara, JP
Overview
Patents· 36 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography33%
H04NPictorial communication, e.g. television10%
C01BNon-metallic elements7%
B29CShaping or joining of plastics6%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
Y10TTechnical subjects covered by former us classification6%
B29LIndexing scheme associated with subclass b29c, relating to particular articles4%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts3%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
PatentTitleYear
10,657,428Image processing unit, image forming apparatus, image processing method, and storage medium202010,170,752Method for producing amorphous carbon particle, amorphous carbon particles, negative electrode material for lithium ion secondary batteries, and lithium ion secondary battery20199,735,421'Method for producing amorphous carbon particles, amorphous carbon particles, negative electrode material for lithium ion secondary battery, and lithium ion secondary battery'20179,379,384'Method for producing non-graphitizable carbon material, negative electrode material for lithium ion secondary battery, and lithium ion secondary battery'20169,327,978'Method for producing non-graphitizable carbon material, non-graphitizable carbon material, negative electrode material for lithium-ion secondary battery, and lithium-ion secondary battery'20168,725,016'High speed image forming apparatus and image forming method thereof'20148,625,162'Image processing apparatus and image forming apparatus with a toner density correction function'20148,264,755'Image forming apparatus and image forming method'20128,078,069'Image forming apparatus and image forming method'20118,019,242'Image forming apparatus and image forming method for suppressing fluctuation of formed images'20117,920,801'Image forming apparatus and method for controlling image forming apparatus'20117,889,365'Image forming apparatus'20117,880,927'Image forming apparatus, image forming method, program, and recording medium'20117,657,194'Image forming apparatus and toner supply control program for the same'20106,223,007'Image forming apparatus'20016,215,968'Image forming apparatus with half-tone density control'20016,160,972'Image forming apparatus'20005,987,272'Image forming apparatus including image quality compensation means'19995,981,046'Sound absorbing component'19995,953,554'Image forming apparatus with a toner density measuring function'19995,908,524'Method for producing fiber-reinforced thermoplastic resin molded article laminated with skin material'19995,854,149'Paper-made stampable sheet, light-weight stampable sheet shaped body and method of producing light-weight stampable shaped body'19985,826,136'Image stabilizing method for use in an image forming apparatus'19985,759,594'Mold assembly for producing fiber-reinforced thermoplastic resin molded article laminated with skin material'19985,734,948'Image stabilizer'19985,343,282'Color balance adjusting apparatus for full-color copier'19945,332,517'Method for producing carbonaceous powder for electrorheological fluid'19945,204,729'Full color copying machine'19935,200,783'Black image density correcting device'19935,164,782'Electrophotographic copying apparatus'19925,107,303'Cleaning structure for moving image retainer for use in an image forming device'19925,103,266'Electrophotographic apparatus and method of cleaning the same'19925,075,731'Transfer roller device'19915,055,877'Copying apparatus with moveable screen and method'19915,019,862'Heat control for photoreceptor'19914,910,111'Electrophotographic photoreceptor comprising amorphous silicon layer coated with amorphous inorganic material'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2020Patents assigned to SHARP KK (27)· patent assignee history
1990–2011Based in Nara, JP· patent location history
1991–1994Based in Yamatokoriyama, JP· patent location history
1994–1999Patents assigned to KAWASAKI STEEL CO (4)· patent assignee history
1994–2019Based in Chiba, JP· patent location history
1998–2001Based in Yamabe-gun, JP· patent location history
2011–2014Patents assigned to NAGAYAMA KATSUHIRO (4)· patent assignee history
2011–2014Patents assigned to KITAGAWA TAKASHI (3)· patent assignee history
2012–2014Based in Osaka, JP· patent location history
2016–2019Patents assigned to JFE CHEMICAL CORP (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHARP KK | 27 | 1990–2020 |
| JFE CHEMICAL CORP | 4 | 2016–2019 |
| KAWASAKI STEEL CO | 4 | 1994–1999 |
| NAGAYAMA KATSUHIROself | 4 | 2011–2014 |
| KITAGAWA TAKASHI | 3 | 2011–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nara, JP | 9 | 1990–2011 |
| Chiba, JP | 7 | 1994–2019 |
| Yamatokoriyama, JP | 7 | 1991–1994 |
| Yamabe-gun, JP | 6 | 1998–2001 |
| Osaka, JP | 3 | 2012–2014 |