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Inventor

Hiroyasu Yoshizawa

Inventor
Ome, JP

Overview

23→
Patents
1990–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 23 as inventor

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

H03Kprimary
H03KPulse technique19%
G11BInformation storage based on relative movement between record carrier and transducer10%
G21FProtection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment10%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general5%
B60LPropulsion of electrically-propelled vehicles5%
G01SRadio direction-finding5%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems5%
Y02TClimate change mitigation technologies related to transportation5%
PatentTitleYear
10,219,783Transmission circuit for ultrasonic diagnosis and method for transmitting ultrasonic wave20199,859,885'Electronic circuit and semiconductor device'20189,551,403'V-belt continuously variable transmission'20179,455,711'Semiconductor integrated circuit device'20169,337,823'Switching circuit and semiconductor integrated circuit device'20169,331,675'Transmission drive circuit and semiconductor integrated circuit device'20168,598,939'Switch circuit and semiconductor circuit'20138,143,924'Semiconductor integrated circuit device having pulse generating circuits'20127,973,573'Semiconductor integrated circuit device'20117,692,456'Semiconductor integrated circuit capable of directly coupling low-voltage signals with high-voltage signals'20107,372,330'Variable gain amplifier'20087,239,467'Storage media reading writing system'20077,082,004'Disk storage systems'20066,867,936'Driving circuit for a magnetic head and magnetic recording apparatus'20056,762,896'Storage media reading writing system'20046,169,777'Fuel transport container and method of transporting a fuel assembly'20016,134,290'Fuel assembly transport container and method of transporting a fuel assembly'20006,128,360'Fuel protective apparatus, fuel transport container and method of transporting a fuel assembly'20006,108,392'Fuel assembly transport container and method of transporting a fuel assembly'20005,542,832'Rotary fluid compressor having an oldham mechanism'19965,482,790'Fuel cell power generation system'19965,434,015'Fuel cell power generation system'19954,942,099'Fuel cell'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2001Patents assigned to TOSHIBA KK (8)· patent assignee history
1990–1996Based in Oomiya, JP· patent location history
2000–2001Based in Ohmiya, JP· patent location history
2004–2018Patents assigned to HITACHI LTD (13)· patent assignee history
2004–2011Based in Ome, JP· patent location history
2012–2013Patents assigned to HANAZAWA SATOSHI (2)· patent assignee history
2012–2013Patents assigned to SHINOMIYA TOSHIO (2)· patent assignee history
2012–2013Based in Hamura, JP· patent location history
2016–2019Based in Tokyo, JP· patent location history
2018–2019Patents assigned to SII SEMICONDUCTOR CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD132004–2018
TOSHIBA KK81990–2001
HANAZAWA SATOSHI22012–2013
SHINOMIYA TOSHIO22012–2013
SII SEMICONDUCTOR CORP22018–2019
Locations
LocationPatentsSpan
Ome, JP72004–2011
Tokyo, JP52016–2019
Ohmiya, JP42000–2001
Hamura, JP22012–2013
Oomiya, JP21990–1996