Inventor

Takashi Bisaiji

Inventor

Yokohama, JP

Overview

1987–2019

Patent span

Physics

Primary field (CPC G)

Patents· 33 as inventor

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

G03Gprimary

G03GElectrography84%

H04NPictorial communication, e.g. television8%

B41JTypewriters5%

G06KGraphical data reading3%

PatentTitleYear

10,324,388Toner, toner stored unit, image forming apparatus, and image forming method2019 9,223,261'Image forming apparatus with fixing unit adapted to fix toner including pressure-induced phase transition toner'2015 9,052,643'Image forming method and image forming apparatus for transforming a toner image into a semi-film'2015 9,026,007'Image forming apparatus'2015 8,630,573'Image forming method, image forming apparatus, varnish applicator, and toner'2014 8,364,065'Image forming apparatus and image forming system'2013 RE038206'Image transferring device for an image forming apparatus'2003 6,434,354'Image forming apparatus'2002 6,259,879'Image forming apparatus which forms an inconspicuous dot pattern prior to image transfer'2001 6,185,007'Image forming apparatus'2001 6,091,922'Image forming apparatus having decreased dislocation of toner images'2000 6,061,543'Image forming apparatus which prevents image quality deterioration due to plastic deformation'2000 5,987,290'Image forming method and forming apparatus using the same'1999 5,926,678'Image forming method and apparatus which controls the discharging of toner images before transfer'1999 5,913,092'Picture design forming system and method toner for forming an image, transferring substance for forming a picture design'1999 5,887,218'Color image forming apparatus having toner and transfer sheet bearing members and image forming method thereof'1999 5,761,594'Image forming apparatus'1998 5,729,808'Image forming method and apparatus which controls the discharging of toner images before transfer'1998 5,701,566'Image transferring device for an image forming apparatus'1997 5,666,622'Image transferring device and medium separating device for an image forming apparatus'1997 5,471,282'Deposited toner quantity measuring method and image forming apparatus using the same'1995 5,461,461'Image transferring device and medium separating device for an image forming apparatus'1995 5,410,339'Image forming apparatus'1995 5,402,220'Fixing device for an image forming apparatus featuring a fixing belt and heating control'1995 5,371,579'Pretransfer charging device for image forming equipment'1994 5,278,613'Image forming apparatus with transfer medium and electrometer positioned opposite the transfer region'1994 5,270,783'Image forming equipment having improved toner sensing'1993 5,258,248'Image density control method for an image forming apparatus'1993 5,227,842'Electrophotographic image forming apparatus which controls developer bias based on image irregularity'1993 5,107,302'Image density control device for an image forming apparatus'1992 4,875,079'Toner density control for multicolor electrophotographic copier'1989 4,837,597'Method and apparatus applicable to multicolor developing device for detecting image density'1989 4,678,318'Image forming apparatus'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2003Patents assigned to RICOH KK (27)· patent assignee history

1987–2019Based in Kanagawa, JP· patent location history

1989–2003Based in Yokohama, JP· patent location history

2013–2019Patents assigned to BISAIJI TAKASHI (6)· patent assignee history

2013–2019Patents assigned to RICOH CO LTD (6)· patent assignee history

2015Patents assigned to ISHIKAKE SATORU (3)· patent assignee history

2015Patents assigned to SUZUKI HIROKATSU (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH KK	27	1987–2003
BISAIJI TAKASHIself	6	2013–2019
RICOH CO LTD	6	2013–2019
ISHIKAKE SATORU	3	2015
SUZUKI HIROKATSU	3	2015

Locations

Location	Patents	Span
Yokohama, JP	22	1989–2003
Kanagawa, JP	11	1987–2019