LexDanaLexDanabeta
Inventor

Tsuyoshi Ishikawa

Inventor
Tokyo, JP

Overview

87→
Patents
1988–2020
Patent span
Physics
Primary field (CPC G)

Patents· 87 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus20%
G06FElectric digital data processing9%
H10DInorganic electric semiconductor devices7%
B02CCrushing, pulverising, or disintegrating in general7%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
G06TImage data processing or generation, in general3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
G11BInformation storage based on relative movement between record carrier and transducer3%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
PatentTitleYear
10,832,479Information processing apparatus, information processing method, and program202010,803,236Information processing to generate screen based on acquired editing information202010,618,052Media-circulation type pulverizer202010,516,870Information processing device, information processing method, and program201910,452,128Information processing apparatus and information processing method201910,407,306Method of producing fluoroapatite powder, fluoroapatite powder, and adsorption apparatus201910,356,382Information processing device, information processing method, and program201910,346,000Information processing apparatus and method, information processing system for improved security level in browsing of content201910,180,991Information processing apparatus and information processing method for displaying transition state of web pages201910,146,959Information processing apparatus to manage operation authority of an application program201810,075,543Control display of information acquired from social networking service on electronic book content20189,928,357'Information processing apparatus, information processing method, program, and information processing system'20189,779,906'Electron emission device and transistor provided with the same'20179,511,374'Horizontal dry mill'20169,430,580'Information processing apparatus, information processing method, and program for displaying switching information'20169,276,075'Semiconductor device having vertical MOSFET structure that utilizes a trench-type gate electrode and method of producing the same'20169,261,640'Liquid crystal display apparatus'20169,261,731'Liquid crystal display apparatus'20169,136,372'Silicon carbide semiconductor device'20159,089,846'Media-agitation type pulverizer'20159,009,627'Electronic apparatus, program, and control method for displaying access authority for data files'20158,975,139'Manufacturing method of silicon carbide semiconductor device'20158,972,486'Terminal apparatus, processing system, processing method, and program'20158,952,430'Semiconductor device and method for manufacturing semiconductor device'20158,949,934'Communication device, communication method, and program'20158,863,017'Electronic apparatus, program, and control method for displaying access authority for data files'20148,839,130'Electronic apparatus, program, and control method'20148,710,586'SIC semiconductor device and method for manufacturing the same'20148,618,555'Silicon carbide semiconductor device and method of manufacturing the same'20138,609,055'Method of producing fluoroapatite, fluoroapatite, and adsorption apparatus'20138,575,689'Silicon carbide semiconductor device and manufacturing method of the same'20138,525,223'Silicon carbide semiconductor device'20138,518,809'Manufacturing method of silicon carbide single crystal'20138,492,867'Semiconductor device including cell region and peripheral region having high breakdown voltage structure'20138,470,672'Method of manufacturing silicon carbide semiconductor device'20138,436,365'SiC semiconductor device having Schottky barrier diode and method for manufacturing the same'20138,297,824'Light guide plate and display device using the same'20128,172,169'Media-agitation type pulverizer'20127,883,041'Media mixing mill'2011RE041995'Tapered light guide plate for surface light source device and method of making by injection molding via supplementary cavity'20107,740,820'Method of producing fluoroapatite, fluoroapatite, and adsorption apparatus'20107,588,205'Medium agitation mill'20097,582,901'Semiconductor device comprising metal insulator metal (MIM) capacitor'20097,563,608'Method for manufacturing a sintered compact for use as a cell culture base'20097,441,520'Valve-timing control apparatus of internal combustion engine'20087,374,116'Circulation type media agitator mill'2008RE040146'Tapered light guide plate for surface light source device and method of making by injection molding via supplementary cavity'20087,169,078'Engine idle speed control device'20077,150,862'Method of manufacturing powder'20066,815,384'Method for manufacturing sintered piece'20046,571,069'Photographic zenith telescope'20036,492,586'Space photovoltaic power generation system, power satellite, and control satellite'20026,478,438'Side light type surface light source device'20026,396,634'Surface light source device of side light type'20026,241,358'Tandem lighting panel'20016,027,221'Surface light source device of side light type and mold for light guide plate employed in the device'20006,024,463'Surface light source device of side light type with belt-like diffusible area'20005,971,559'Surface light source device'19995,967,637'Tapered light guide plate for surface light source device and method of making by injection molding via supplementary cavity'19995,957,561'Surface light source device of side light type and display'19995,951,138'Surface light source device of side light type'19995,921,651'Surface light source device of side light type having diffusing element with improved distribution pattern of light'19995,914,822'Chromatic aberration correcting element and its application'19995,818,555'Surface light source device'19985,810,464'Surface light source device of side light type'19985,791,569'Crushing apparatus'19985,779,338'Surface light source device'19985,772,305'Surface illuminant device'19985,769,522'Surface light source device'19985,718,497'Surface light source device'19985,655,827'Surface light source device'19975,652,745'Optical system using polarized light with prevention of effect of birefringence'19975,629,799'Chromatic aberration correcting element and its application'19975,600,455'Prismatic member with coarsened portions or triangular prismatic and semi-circular prismatic members arranged on a flat light emitting surface'19975,584,556'Surface light source device'19965,584,572'Reflector used in a strobe device'19965,577,675'Agitating pulverizer'19965,575,549'Surface light source device'19965,572,411'Surface light source device'19965,572,368'Light projecting device with cylindrical lens'19965,450,292'Surface light source device'19955,414,599'Surface light source device'19955,402,324'Surface illuminant device'19955,346,147'Crushing apparatus'19945,330,112'Crushing apparatus'19945,257,092'Apparatus for measuring polarization and birefringence'19934,739,938'Media agitating type grinding machine'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2019Based in Tochigi, JP· patent location history
1993–2016Based in Tokyo, JP· patent location history
1995–2010Patents assigned to ENPLAS CORP (25)· patent assignee history
2008–2020Based in Kanagawa, JP· patent location history
2008–2020Based in Narashino, JP· patent location history
2012–2019Patents assigned to ISHIKAWA TSUYOSHI (24)· patent assignee history
2013–2016Patents assigned to DENSO CORP (11)· patent assignee history
2013–2016Patents assigned to TOYOTA MOTOR CO LTD (11)· patent assignee history
2013–2016Based in Nisshin, JP· patent location history
2014–2020Patents assigned to SONY CORP (16)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ENPLAS CORP251995–2010
ISHIKAWA TSUYOSHIself242012–2019
SONY CORP162014–2020
DENSO CORP112013–2016
TOYOTA MOTOR CO LTD112013–2016
Locations
LocationPatentsSpan
Tokyo, JP361993–2016
Kanagawa, JP172008–2020
Nisshin, JP112013–2016
Narashino, JP72008–2020
Tochigi, JP71988–2019