LexDanaLexDanabeta
Inventor

Hirofumi Nakayasu

Inventor
Kawasaki, JP

Overview

29→
Patents
1991–2007
Patent span
Physics
Primary field (CPC G)

Patents· 29 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Gprimary
G03GElectrography41%
B41JTypewriters27%
H04NPictorial communication, e.g. television19%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters5%
G06FElectric digital data processing3%
G06KGraphical data reading3%
G10KSound-producing devices3%
PatentTitleYear
7,242,491'Printing agent service method and system'20077,002,701'Image formation apparatus and image exposure apparatus'20066,714,748'Image forming apparatus, recording medium in which test-pattern image forming program is recorded, test-pattern image forming method, and skew angle calculation method'20046,434,347'Printing apparatus and toner density measuring method'20026,393,244'Color shift correcting structure of image forming apparatus'20026,379,482'Manufacturing device and method of the exposure device'20026,366,304'Thermal correction for image-forming exposure device and method of manufacturing the device'20026,340,982'Image forming apparatus and exposure device thereof'20026,330,011'Electrophotography apparatus and exposure apparatus using particularly shaped light emitting elements'20016,321,060'Printing apparatus'20016,292,205'Electrophotographic apparatus with quantity-of-light control'20016,219,508'Image forming apparatus with belt mark sensor'20016,219,496'Image forming apparatus'20016,198,896'Image formation apparatus capable of detecting and correcting positional offsets'20016,118,463'Positional error correction for color image forming apparatus'20006,070,041'Printing apparatus'20006,049,690'Printing apparatus'20006,038,417'Image forming apparatus with cover lifting mechanism'20005,978,626'Image forming apparatus with cover lifting mechanism'19995,946,523'Printing apparatus'19995,946,537'Printing apparatus with positional offset detection and correction'19995,907,344'Image forming apparatus with image tone adjusting function'19995,798,779'Ultrasonic printing apparatus and method in which the phases of the ultrasonic oscillators are controlled to prevent unwanted phase cancellations'19985,732,319'Pressure roller having deflection compensating shaft'19985,612,723'Ultrasonic printer'19975,499,876'Printing apparatus having head gap adjusting device'19965,120,146'Printer having a bail roller opening and closing mechanism'19925,071,275'Printer having a bail roller opening and closing mechanism'19915,064,304'Printer having an ink ribbon shift apparatus'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2006Patents assigned to FUJITSU LTD (27)· patent assignee history
1991–2007Based in Kawasaki, JP· patent location history
2001Patents assigned to FUJISU LTD (1)· patent assignee history
2001Based in Kawaski, JP· patent location history
2007Patents assigned to FUJI XEROX CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD271991–2006
FUJI XEROX CO LTD12007
FUJISU LTD12001
Locations
LocationPatentsSpan
Kawasaki, JP281991–2007
Kawaski, JP12001