Inventor

Takuma Ishikawa

Inventor
Toyokawa, JP

Overview

33→
Patents
1984–2019
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
G03GElectrography49%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables28%
B42CBookbinding13%
B07CPostal sorting2%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients2%
C08LCompositions of macromolecular compounds2%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them2%
H04NPictorial communication, e.g. television2%
PatentTitleYear
10,491,776Exposure device and light receiving device20199,663,652'Polybutylene terephthalate resin composition'20176,126,163'Sheet aligning apparatus and processing apparatus used for copy machine'20005,809,372'Sheet aligning apparatus and processing apparatus used for copying machine'19985,470,051'Automatic document feeder'19955,347,352'Copying apparatus with automatic document feeding device'19945,327,206'Image forming apparatus including a sheet refeeding unit'19945,292,113'Automatic document feeder'1994RE034460'Copying apparatus having a sorter with a sheet stapling function with staple mode cancellation'19935,213,322'Original transfer apparatus'19935,141,215'Sorter-finisher provided for an image forming apparatus'19925,133,539'Sorter-finisher provided for an image forming apparatus'19925,117,266'Recirculating document handler and image forming apparatus equipped therewith'19925,084,741'Recirculating document handler and image forming apparatus equipped therewith'19925,081,489'Copying apparatus'19925,053,831'Image forming apparatus having a finisher'19915,014,092'Image forming apparatus with a binding function'19914,980,721'Copying apparatus having a controller capable of sorting groups of originals in different bins by detecting a boundary between the groups'19904,974,823'Sorter-finisher with a sheet binding function and a method of operating thereof'19904,946,152'Sorter-finisher'19904,901,994'Copying apparatus having a sorter with a sheet stapling function'19904,893,152'Copying apparatus having a sorter with a sheet binding function'19904,886,259'Sorter-finisher system'19894,872,662'Sorting apparatus having sorter connectable to another sorter'19894,864,350'Copying apparatus having a sorting unit and a binding unit and controls therefor'19894,811,048'Copying apparatus having an automatic document feeder and a sorter with a sheet binding function'19894,801,133'Sheet processing apparatus with a sheet binding function'19894,638,992'Sorting apparatus'19874,621,803'Sorting apparatus of shiftable bin type'19864,607,838'Sheet sorter'19864,448,515'Control arrangement for continuous copying'19844,447,517'Method of developing electrostatic latent images'19844,444,382'Sheet feeding system'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1995Patents assigned to MINOLTA CAMERA KK (28)· patent assignee history
1984–2000Based in Toyokawa, JP· patent location history
1990Patents assigned to MINOLTA CAMERA KABUSHIKI KASHA (1)· patent assignee history
1990–1993Based in Osaka, JP· patent location history
2000Patents assigned to MINOLTA CO LTD (1)· patent assignee history
2017Patents assigned to WINTECH POLYMER LTD (1)· patent assignee history
2017Based in Fuji, JP· patent location history
2019Patents assigned to OKI DATA KK (1)· patent assignee history
2019Based in Gunma, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINOLTA CAMERA KK281984–1995
MINOLTA CAMERA KABUSHIKI KASHA11990
MINOLTA CO LTD12000
OKI DATA KK12019
WINTECH POLYMER LTD12017
Locations
LocationPatentsSpan
Toyokawa, JP171984–2000
Osaka, JP141990–1993
Gunma, JP12019
Fuji, JP12017