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Inventor

Tetsuya Muto

Inventor
Kanagawa, JP

Overview

18→
Patents
2010–2020
Patent span
Physics
Primary field (CPC G)

Patents· 18 as inventor

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

G03Gprimary
G03GElectrography82%
H04NPictorial communication, e.g. television9%
B41JTypewriters5%
G06KGraphical data reading5%
PatentTitleYear
10,620,578Image forming apparatus for correcting density unevenness202010,061,226Image forming apparatus and image forming method20189,989,876Image forming apparatus and method for calculating a toner degradation rate20189,565,319'Image forming apparatus having an optical sensor for converting a toner adhesion amount and image forming method'20179,535,376'Image forming apparatus that switches transfer bias based on detected environment condition'20179,436,135'Toner pattern density correction in an image forming apparatus'20169,229,361'Developer conveyance device, image forming apparatus, and developer conveyance method'20169,152,896'Image forming apparatus and image forming method'20159,141,059'Image forming apparatus'20159,128,402'Image forming apparatus capable of effectively preventing image density fluctuation'20158,983,320'Image forming apparatus'20158,879,963'Toner supplying device and image forming apparatus using same'20148,693,902'Image forming apparatus'20148,311,422'Image forming apparatus having a first and second toner containers and a developing unit'20128,233,813'Image forming apparatus and image-density control method'20128,145,100'Process cartridge including developing unit and incorporated in image forming apparatus'20128,045,874'Image forming apparatus and image density control method'20117,813,662'Transfer unit and image forming apparatus using the unit'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2014Based in Kawasaki, JP· patent location history
2011–2018Patents assigned to RICOH CO LTD (16)· patent assignee history
2012–2020Patents assigned to MUTO TETSUYA (16)· patent assignee history
2012–2016Based in Kanagawa, JP· patent location history
2015–2020Patents assigned to AKATSU SHINICHI (8)· patent assignee history
2015–2018Patents assigned to UEMATSU YUUICHIROH (8)· patent assignee history
2015–2018Patents assigned to GOTOH KEITA (7)· patent assignee history
2016–2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MUTO TETSUYAself162012–2020
RICOH CO LTD162011–2018
AKATSU SHINICHI82015–2020
UEMATSU YUUICHIROH82015–2018
GOTOH KEITA72015–2018
Locations
LocationPatentsSpan
Kanagawa, JP82012–2016
Tokyo, JP62016–2020
Kawasaki, JP42010–2014