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Inventor

Toshihiko Takayama

Inventor
Kawasaki, JP

Overview

14→
Patents
2003–2021
Patent span
Physics
Primary field (CPC G)

Patents· 14 as inventor

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

G03Gprimary
G03GElectrography50%
E04HBuildings or like structures for particular purposes10%
F04DNon-positive-displacement pumps5%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges5%
F24FAir-conditioning5%
F25BRefrigeration machines, plants or systems5%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact5%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application5%
H04NPictorial communication, e.g. television5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
11,112,735Image forming apparatus202110,809,655Image forming apparatus and control method thereof providing different speed control of driving developer carrying members using a common drive202010,459,361Image forming apparatus with voltage adjustment member201910,281,846Image forming apparatus201910,216,119Image forming apparatus with adjustment of potential for secondary transfer201910,197,940Image forming apparatus changing magnitude of control signal used for image formation201910,120,323Image forming apparatus20189,464,830'Refrigeration apparatus for executing a pump down'20169,182,707'Image forming apparatus'20159,104,132'Apparatus to form latent image using dither matrices having minute and normal exposure areas controlling toner adhesion'20158,862,039'Image forming apparatus'20147,849,867'Locking device for a tent'20106,764,277'Fan guard of fan unit'20046,508,262'Folding tent frame'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2010Patents assigned to SAN E PROTENT CO LTD (2)· patent assignee history
2003Based in Hirakata, JP· patent location history
2004–2016Patents assigned to DAIKIN IND LTD (2)· patent assignee history
2004–2016Based in Sakai, JP· patent location history
2010Based in Kyoto, JP· patent location history
2014–2021Patents assigned to CANON KK (10)· patent assignee history
2014Patents assigned to AKAMATSU TAKAAKI (1)· patent assignee history
2014Patents assigned to KOJIMA YUYA (1)· patent assignee history
2014–2021Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK102014–2021
DAIKIN IND LTD22004–2016
SAN E PROTENT CO LTD22003–2010
AKAMATSU TAKAAKI12014
KOJIMA YUYA12014
Locations
LocationPatentsSpan
Kawasaki, JP102014–2021
Sakai, JP22004–2016
Kyoto, JP12010
Hirakata, JP12003