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Inventor

Keisuke Ikeda

Inventor
Kanagawa, JP

Overview

44→
Patents
2001–2019
Patent span
Physics
Primary field (CPC G)

Patents· 44 as inventor

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

G03Gprimary
G03GElectrography32%
H01BCables10%
H01FMagnets7%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact5%
H02KDynamo-electric machines5%
B41JTypewriters4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application4%
E03FSewers2%
G02BOptical elements, systems or apparatus2%
PatentTitleYear
10,498,184Insulated wire, coil, and electrical or electronic equipment2019D0850740Engine blower2019D0849795Engine201910,280,827Engine and engine-driven working machine201910,210,966Insulated wire and coil201910,037,833Insulated wire, coil, and electrical or electronic equipment, and method of producing the insulated wire20189,892,819'Insulated wire, coil, and electronic/electrical equipment'20189,864,334'Cooling device and image forming apparatus including same'20189,728,301'Insulated wire and electric or electronic equipment'20179,691,521'Rectangular insulated wire and electric generator coil'20179,608,410'Surface-emitting light source and laser apparatus'20179,536,636'Insulated wire, coil, and electric/electronic equipments as well as method of producing a film delamination-resistant insulated wire'20179,513,598'Cooling device and image forming apparatus'20169,483,018'Cooling device and image forming apparatus including same'20169,465,358'Cooling device and image forming apparatus including same'20169,423,730'Cooling device and image forming apparatus including same'20169,400,485'Cooling device having a turbulence generating unit'20169,372,465'Cooling device and image forming apparatus including same'20169,360,837'Air-conditioning unit, image forming apparatus incorporating same, and air-conditioning channel switching method'20169,354,601'Liquid cooling device that arranges a coolant flowing direction in accordance with a temperature gradient of a cooling airflow and image forming apparatus incorporating the same'20169,348,311'Recording medium conveyor and image forming apparatus incorporating same'20169,335,676'Image forming apparatus'20169,296,235'Cooling device and image forming apparatus'20169,217,979'Cooling device and image forming apparatus including same'20159,098,024'Cooling device and image forming apparatus including same'20159,063,482'Cooling device and image forming apparatus'20159,044,982'Cooling device and image forming apparatus'20159,046,858'Cooling device and image forming apparatus including same'20159,046,872'Cooling device and image forming apparatus incorporating same'20158,977,159'Image forming apparatus'20158,879,945'Cooling device and image forming apparatus'20148,847,075'Insulated wire'20148,805,231'Cooling device and image forming apparatus including the same'20148,792,800'Cooling device and image forming apparatus including same'20148,725,026'Cooling device and image forming apparatus including same'20148,687,999'Cooling device and image forming apparatus'20148,682,205'Cooling device, cooling method, and image forming apparatus'20148,606,138'Cooling device having a turbulence generating unit'20138,028,715'Check valve for vacuum sewage pipe and vacuum sewage system'20117,152,618'Vacuum station and the method for operating the same'20067,142,362'Optical attenuator'20067,024,073'Reflective variable light attenuator'20066,870,675'Variable optical attenuator'20056,313,392'Thermoelectric semiconductor material, thermoelectric element, method of manufacturing these and method of manufacturing thermoelectric module and device for manufacturing thermoelectric semiconductor material'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2006Based in Shizuoka, JP· patent location history
2006–2019Based in Tokyo, JP· patent location history
2013–2018Patents assigned to IKEDA KEISUKE (28)· patent assignee history
2013–2018Patents assigned to RICOH CO LTD (27)· patent assignee history
2013–2018Patents assigned to HIRASAWA TOMOYASU (26)· patent assignee history
2013–2018Patents assigned to FUJIYA HIROMITSU (22)· patent assignee history
2013–2018Patents assigned to TAKEHARA KENICHI (18)· patent assignee history
2013–2018Based in Kanagawa, JP· patent location history
2015–2016Based in Fujisawa, JP· patent location history
2019Based in Hitachinaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IKEDA KEISUKEself282013–2018
RICOH CO LTD272013–2018
HIRASAWA TOMOYASU262013–2018
FUJIYA HIROMITSU222013–2018
TAKEHARA KENICHI182013–2018
Locations
LocationPatentsSpan
Kanagawa, JP242013–2018
Tokyo, JP112006–2019
Fujisawa, JP32015–2016
Hitachinaka, JP22019
Shizuoka, JP22005–2006