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Inventor

Keita Tanaka

Inventor
Tokyo, JP

Overview

79→
Patents
1996–2021
Patent span
LOC
Primary field

Patents· 79 as inventor

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

LOC14primary
LOC1422%
G02BOptical elements, systems or apparatus11%
C07DHeterocyclic compounds5%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices5%
H05KPrinted circuits5%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
B62LBrakes specially adapted for cycles3%
H04NPictorial communication, e.g. television3%
B62KCycles2%
B62MRider propulsion of wheeled vehicles or sledges2%
PatentTitleYear
11,121,249Semiconductor device, inverter circuit, driving device, vehicle, and elevator202111,069,803Semiconductor device, method of manufacturing semiconductor device, inverter circuit, driving device, vehicle, and elevator202110,864,770Bicycle hub unit and bicycle wheel assembly202010,858,294Transparent ceramics, manufacturing method thereof, and magneto-optical device202010,772,983Perfume retainer member and aroma provision device202010,757,850Tape feeder and component mounter202010,743,446Component tape feeder with reel displacing mechanism202010,488,756Oxime ester photoinitiators201910,390,469Tape feeder201910,299,419Tape feeder201910,234,761Oxime ester photoinitiators201910,159,633Hair cleansing composition20189,994,538Latent acids and their use20189,963,303Cassette-type nozzle exchanging unit and replacement system thereof20189,864,273'Oxime ester photoinitiators'20189,365,515'Oxime ester photoinitiators'20169,296,544'Double container'20169,051,397'Oxime ester'20158,877,697'Cleaning agent for removal of, removal method for, and cleaning method for water-soluble, lead-free solder flux'20148,580,478'Latent acids and their use'20138,547,643'Optical element and imaging apparatus'2013D0689773'Container'2013D0675535'Container'20138,237,302'Main circuit of electric power generating apparatus for dispersed power supply'20128,211,845'Cleaning composition for removing lead-free solder flux and system for removing lead-free solder flux'20128,064,141'Optical element'20118,058,739'Main circuit of electric power generating apparatus for dispersed power supply'20117,944,618'Optical element and imaging apparatus'20117,935,239'Liquid moving apparatus'20117,854,302'Apparatus for mounting a hub brake to a bicycle frame'20107,701,644'Optical element and imaging apparatus'20107,697,213'Optical element and imaging apparatus'20107,646,545'Optical element'20107,604,406'Microchip and analyzing method and device employing it'20097,568,558'Apparatus for mounting a hub brake to a bicycle frame'20097,558,000'Optical device'20097,544,002'Optical device'2009D0578150'Projector'20087,385,765'Optical element'20087,327,523'Optical element'20087,314,121'Apparatus for mounting a brake control element to a bicycle hub brake'2008D0552589'Telephone set'2007D0551203'Telephone set'20077,267,205'Apparatus for actuating a bicycle hub brake'20077,195,088'Bicycle drive unit and bicycle chain stay'20077,148,582'Bicycle internal gear shifting hub'2006D0486480'Modem for data communications'2004D0485836'Electronic computer'2004D0485274'Portion of an electronic computer'2004D0483756'Operation controller for electronic computers'2003D0481388'Operation controller for electronic computers'2003D0481385'Electronic computer'2003D0480728'Portion of an operation controller for electronic computers'2003D0480075'Modem for electronic computers'2003D0479234'Portable information terminal'2003D0479235'Portable information terminal'2003D0473548'Portion of a modem'2003D0473547'Modem'2003D0473579'Digital still camera'2003D0473224'Portion of a modem'2003D0464341'Modem for electronic computers'2002D0463428'Arithmetic operation control machine for electronic computer'2002D0463429'Magnetic disk memory device for electronic computers'2002D0462960'Portion of arithmetic operation control machine for electronic computer'2002D0462351'Arithmetic operation control machine for electronic computer'2002D0462349'Portion of arithmetic operation control machine for electronic computer'2002D0462350'Arithmetic operation control machine for electronic computer'2002D0462348'Portion of arithmetic operation control machine for electronic computer'2002D0461805'Arithmetic operation control machine for electronic computer'2002D0461806'Portion of arithmetic operation control machine for electronic computer'2002D0454872'Operation controller for electronic computers'2002D0438205'Portion of an operation controller for electronic computers'2001D0435559'Portion of an operation controller for electronic computers'2000D0420336'Operation controller for electronic computers'2000D0411519'Electronic computer'1999D0406849'Modem for electronic computers'1999D0401572'Electronic computer'1998D0388401'Electronic computer'1997D0368704'Unit for extending the functions of an electronic computer'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2021Patents assigned to TOSHIBA KK (37)· patent assignee history
1996–2016Based in Tokyo, JP· patent location history
2003–2004Based in Meguro-ku, JP· patent location history
2006–2020Patents assigned to SHIMANO KK (7)· patent assignee history
2008–2020Patents assigned to SONY CORP (12)· patent assignee history
2008–2020Based in Aichi, JP· patent location history
2011–2016Patents assigned to TANAKA KEITA (11)· patent assignee history
2013–2019Patents assigned to BASF SE (7)· patent assignee history
2015–2019Based in Nishinomiya, JP· patent location history
2018–2020Based in Takahama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK371996–2021
SONY CORP122008–2020
TANAKA KEITAself112011–2016
BASF SE72013–2019
SHIMANO KK72006–2020
Locations
LocationPatentsSpan
Tokyo, JP291996–2016
Aichi, JP122008–2020
Meguro-ku, JP92003–2004
Takahama, JP52018–2020
Nishinomiya, JP52015–2019