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Inventor

Hirotaka Yoshida

Inventor
Nakano-ku, JP

Overview

10→
Patents
1991–2017
Patent span
Performing operations
Primary field (CPC B)

Patents· 10 as inventor

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

B41Jprimary
B41JTypewriters21%
B05BSpraying apparatus11%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling5%
B23PMetal-working not otherwise provided for5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%
F21SNon-portable lighting devices5%
F21VFunctional features or details of lighting devices or systems thereof5%
G02BOptical elements, systems or apparatus5%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%
G06FElectric digital data processing5%
PatentTitleYear
9,643,420'Liquid discharge apparatus and tube position correcting method'20179,387,497'Liquid discharge apparatus and tube position correcting method'20168,777,400'Liquid ejection device'20148,752,935'Liquid ejection device'20148,532,453'High voltage cabtire cable'20138,122,075'Pseudorandom number generator and encryption device using the same'20127,297,908'Removing method of tube'20076,906,863'Lamp reflector and reflector'20056,683,720'Reflector, sidelight type backlighting apparatus and reflector substrate'20045,068,491'Bus bar for power supply with coolant flow passages'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2007Patents assigned to DAI ICHI HIGH FREQUENCY CO LTD (2)· patent assignee history
1991Patents assigned to DORYOKURO KAKUNENRYO (1)· patent assignee history
1991–2012Based in Yokohama, JP· patent location history
2004–2005Patents assigned to MITSUI CHEMICALS INC (2)· patent assignee history
2004–2005Based in Sodegaura, JP· patent location history
2012–2013Patents assigned to YOSHIDA HIROTAKA (2)· patent assignee history
2013Based in Hitachi, JP· patent location history
2014–2017Patents assigned to SEIKO EPSON CORP (4)· patent assignee history
2014Based in Nagano, JP· patent location history
2016–2017Based in Nakano-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP42014–2017
DAI ICHI HIGH FREQUENCY CO LTD21991–2007
MITSUI CHEMICALS INC22004–2005
YOSHIDA HIROTAKAself22012–2013
DORYOKURO KAKUNENRYO11991
Locations
LocationPatentsSpan
Nakano-ku, JP22016–2017
Nagano, JP22014
Yokohama, JP21991–2012
Sodegaura, JP22004–2005
Hitachi, JP12013