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Inventor

Ryuichi Yoshizawa

Inventor
Yokohama, JP

Overview

25→
Patents
1998–2019
Patent span
Physics
Primary field (CPC G)

Patents· 25 as inventor

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

G03Gprimary
G03GElectrography67%
B41JTypewriters20%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables13%
PatentTitleYear
10,254,699Image forming apparatus to correct timing of image formation20199,291,976'Image forming apparatus having a conveying path, option apparatus and image forming system'20168,687,988'Image forming apparatus for retrying feed of transfer material'20148,577,277'Image forming apparatus'20138,544,844'Image forming system and control method therefor, and control unit for image forming apparatus'20138,531,695'Image forming system and image forming method with operation continuation determination'20138,060,003'Image forming apparatus wherein a setting unit sets an interval of image formation according to a size of a recording medium'20118,000,616'Image forming apparatus'20117,916,318'Image forming system and image forming method'20117,802,791'Image forming system and control method therefor, and control unit for image forming apparatus'20107,729,005'Image forming apparatus and its control method'20107,595,912'Image forming system and method'20097,551,306'Image forming apparatus and method for controlling the image forming apparatus'20097,398,030'Image forming apparatus and output control method of the same'20087,251,424'Method and apparatus for timing image formation in an image-forming apparatus'20077,190,916'Image forming apparatus'20077,146,118'Image forming apparatus and method'20067,110,684'Cartridge for replenishing developer including a memory device and a control system featuring the cartridge'20066,754,454'Image forming apparatus capable of discriminating a service life of detachably mounted process unit'20046,718,144'Image forming apparatus and process unit mountable to image forming apparatus'20046,704,521'Image forming apparatus and image forming method'20046,381,419'Image forming apparatus with developer density and developer remaining amount detection features'20026,301,452'Image forming apparatus'20016,044,234'Image processing apparatus and method for controlling a detection timing of a density sensor'20005,809,365'Image forming apparatus using intermediate transfer member'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2019Patents assigned to CANON KK (24)· patent assignee history
1998–2010Based in Numazu, JP· patent location history
2004–2007Based in Shizuoka, JP· patent location history
2009–2019Based in Yokohama, JP· patent location history
2011–2014Patents assigned to YOSHIZAWA RYUICHI (5)· patent assignee history
2013Patents assigned to MARUYAMA KAZUHISA (2)· patent assignee history
2013Patents assigned to NAKAMURA AKIHIRO (2)· patent assignee history
2013Patents assigned to SATO KAORU (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK241998–2019
YOSHIZAWA RYUICHIself52011–2014
MARUYAMA KAZUHISA22013
NAKAMURA AKIHIRO22013
SATO KAORU22013
Locations
LocationPatentsSpan
Yokohama, JP122009–2019
Numazu, JP71998–2010
Shizuoka, JP62004–2007