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Inventor

Yuji Kamiya

Inventor
Abiko, JP

Overview

26→
Patents
1996–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 26 as inventor

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

G03Gprimary
G03GElectrography27%
H04NPictorial communication, e.g. television20%
F01KSteam engine plants8%
F04BPositive-displacement machines for liquids8%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids6%
F04DNon-positive-displacement pumps6%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles4%
F25BRefrigeration machines, plants or systems4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
B41JTypewriters2%
PatentTitleYear
10,626,869Electric compressor202010,465,953Air conditioning apparatus201910,220,677Vehicle air conditioner having a gas injection cycle201910,030,646Gas compressor20189,897,103'Compressor'20189,347,338'Gas compressor'20168,955,323'Compressor'20157,499,660'Image forming apparatus and image forming method'20097,336,910'Image forming apparatus with gamma conversion means'20087,260,345'Image forming apparatus with a developer consumption control feature'20077,259,885'Image forming apparatus with gamma conversion means'20077,254,349'Image forming apparatus having means to control condition of current supply to discharge wire and grid of charging member'20076,987,576'Image forming apparatus with gamma conversion means'20066,903,844'Image formation apparatus, image formation apparatus control method, and storage medium storing computer-readable program'20056,822,767'Image processing method and image processing apparatus'20046,740,990'Compulsory drive unit for electrical equipment in a vehicle'20046,538,678'Image forming apparatus with development controller'20036,493,524'Image forming apparatus'20026,456,817'Fixing device having an intruding separation member'20026,418,280'Electrophotographic apparatus with exposure control for multiple target light portion potentials'20026,125,244'Image forming apparatus featuring an environmentally responsive voltage switch'20006,020,176'Kaurene synthase'20005,721,627'Sheet transport apparatus for detecting a color of a document'19985,610,689'Image forming apparatus having failure diagnosing function'19975,557,427'Image forming apparatus with means for detecting sheet thickness'19965,481,337'Method and apparatus for correcting image formation in accordance with a potential measurement and a density measurement selected along an axial direction of a photosensitive drum'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2009Patents assigned to CANON KK (17)· patent assignee history
1996–1998Based in Yokohama, JP· patent location history
2002–2009Based in Abiko, JP· patent location history
2015–2016Patents assigned to HITACHI IND EQUIPMENT SYS (2)· patent assignee history
2015Patents assigned to KAMIYA YUJI (1)· patent assignee history
2015–2018Based in Shizuoka, JP· patent location history
2016–2018Based in Tokyo, JP· patent location history
2018Patents assigned to HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (2)· patent assignee history
2019–2020Patents assigned to DENSO CORP (3)· patent assignee history
2019–2020Based in Kariya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK171996–2009
DENSO CORP32019–2020
HITACHI IND EQUIPMENT SYS22015–2016
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD22018
KAMIYA YUJIself12015
Locations
LocationPatentsSpan
Abiko, JP102002–2009
Yokohama, JP41996–1998
Kariya, JP32019–2020
Tokyo, JP22016–2018
Shizuoka, JP22015–2018