Inventor

Kazuyuki Takada

Inventor

Hirakata, JP

Overview

22→

Patents

1989–2007

Patent span

Electricity

Primary field (CPC H)

Patents· 22 as inventor

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

H02Pprimary

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters22%

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 systems20%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%

B64GCosmonautics9%

H02JElectric power networks9%

H02HEmergency protective circuit arrangements4%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

C22CAlloys2%

F24FAir-conditioning2%

PatentTitleYear

7,313,125'OFDM demodulation method and semiconductor integrated circuit device'2007 6,727,425'Power generation satellite and transmission antenna apparatus'2004 6,528,719'Space photovoltaic power generation method and system'2003 6,495,751'Space photovoltaic power generation system, power satellite, and electric power base'2002 6,492,940'Method of and system for receiving microwave'2002 6,477,185'Demultiplexing and decoding apparatus for coded audio and video data'2002 6,108,221'Pulse width modulation converter'2000 6,040,673'Motor control apparatus'2000 6,021,058'PWM inverter with zero dead time and initial power supply capacitor charging'2000 5,929,576'Protection apparatus for brushless motor'1999 5,889,380'Current command type PWM inverter apparatus for driving and controlling three-phase motor based on periodical state updating timings'1999 5,859,770'Output circuit for PWM inverter with no floating state'1999 5,850,130'Driving apparatus for a brushless motor and rotor position detecting apparatus for the motor'1998 5,805,438'Current controlled PWM inverter for driving a motor without gain adjustment'1998 5,747,833'Apparatus for driving induction motor'1998 5,729,449'Current command type PWM inverter apparatus with logic circuit for generating switching command signals at periodical timings'1998 5,703,459'Driver for an induction motor'1997 5,535,115'Output circuit of PWM inverter wherein floating time is reduced'1996 5,347,444'Output circuit of PWM inverter'1994 5,309,079'Digital three-phase PWM signal'1994 5,295,173'Frequency divider for dividing two input pulses'1994 4,831,344'IC output circuit for use in pulse width modulator'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2000Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (16)· patent assignee history

1989–2000Based in Hirakata, JP· patent location history

2000Based in Osaka, JP· patent location history

2002–2004Patents assigned to MITSUBISHI ELECTRIC CORP (4)· patent assignee history

2002Patents assigned to HITACHI LTD (1)· patent assignee history

2002Patents assigned to HITACHI ULSI SYS CO LTD (1)· patent assignee history

2002–2004Based in Tokyo, JP· patent location history

2002–2007Based in Kawaguchi, JP· patent location history

2007Patents assigned to RENESAS TECH CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	16	1989–2000
MITSUBISHI ELECTRIC CORP	4	2002–2004
HITACHI LTD	1	2002
HITACHI ULSI SYS CO LTD	1	2002
RENESAS TECH CORP	1	2007

Locations

Location	Patents	Span
Hirakata, JP	15	1989–2000
Tokyo, JP	4	2002–2004
Kawaguchi, JP	2	2002–2007
Osaka, JP	1	2000