Inventor

Akihiro Kawano

Inventor

Chiba, JP

Overview

44→

Patents

1984–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 44 as inventor

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

H02Mprimary

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 systems17%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications15%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof11%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation10%

H01LSemiconductor devices7%

H02HEmergency protective circuit arrangements7%

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids6%

G05FSystems for regulating electric or magnetic variables3%

H03KPulse technique3%

H04NPictorial communication, e.g. television3%

PatentTitleYear

10,997,537Information processing apparatus, system, method, and non-transitory computer-readable storage medium for adjusting a number of workers in a workshop2021 10,970,896Image processing apparatus, image processing method, and storage medium2021 10,680,504Bandgap reference circuit and DCDC converter having the same2020 10,431,617Photoelectric conversion device and apparatus2019 10,396,667DC-DC converter including an intermittent overcurrent protection circuit2019 10,333,292Switching regulator2019 10,298,121Voltage-current conversion circuit and switching regulator including the same2019 10,284,085Switching regulator2019 10,124,838Underfloor structure of automotive vehicle2018 10,096,545Semiconductor apparatus, system, and method of manufacturing semiconductor apparatus2018 10,050,532DC-DC converter with pseudo ripple voltage generation2018 10,008,923Soft start circuit and power supply device equipped therewith2018 10,008,935DC-DC converter2018 9,941,787Reference voltage generation circuit and DCDC converter having the same2018 9,912,237'Switching regulator'2018 9,871,072'Photoelectric conversion device, image pickup system, and method for manufacturing photoelectric conversion device'2018 9,859,795'Switching regulator for detecting a plurality of abnormalities using only one comparison circuit'2018 9,831,769Switching regulator2017 9,800,149'Switching regulator'2017 9,800,157'Switching regulator'2017 9,701,345'Side vehicle-body structure of automotive vehicle'2017 9,391,227'Manufacturing method of semiconductor device'2016 9,270,162'Switching regulator and electronic device'2016 9,087,762'Method for manufacturing semiconductor device'2015 8,852,987'Method of manufacturing image pickup device'2014 8,823,853'Solid-state image sensor, method of manufacturing the same and camera'2014 8,334,167'Method of manufacturing photoelectric conversion device'2012 8,039,293'Method of manufacturing photoelectric conversion device'2011 6,863,057'Fuel vapor treatment system'2005 6,814,063'Control of fuel vapor processing device'2004 6,804,995'Fuel vapor treatment system with failure diagnosis apparatus'2004 6,736,116'Fuel vapor treatment system'2004 6,712,049'Evaporative emission control system'2004 6,227,037'Diagnosis for evaporative emission control system'2001 6,220,230'Evaporative emission control system for internal combustion engine'2001 6,220,229'Apparatus for detecting evaporative emission control system leak'2001 6,164,940'Scroll type compressor in which a soft starting mechanism is improved with a simple structure'2000 6,016,792'Leak test system for vaporized fuel treatment mechanism'2000 5,993,177'Scroll type compressor with improved variable displacement mechanism'1999 5,690,086'Air/fuel ratio control apparatus'1997 5,330,335'Horizontally oriented rotary machine having internal lubication oil pump'1994 4,547,138'Lubricating mechanism for scroll-type fluid displacement apparatus'1985 4,505,651'Scroll type compressor with displacement adjusting mechanism'1985 4,457,674'High efficiency scroll type compressor with wrap portions having different axial heights'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2000Patents assigned to SANDEN CORP (6)· patent assignee history

1985–2000Based in Maebashi, JP· patent location history

1997–2005Patents assigned to NISSAN MOTOR (10)· patent assignee history

2000–2001Based in Kanagawa, JP· patent location history

2004–2005Based in Atsugi, JP· patent location history

2011–2021Patents assigned to CANON KK (11)· patent assignee history

2011–2016Based in Kawasaki, JP· patent location history

2016–2020Based in Chiba, JP· patent location history

2017–2020Patents assigned to SII SEMICONDUCTOR CORP (14)· patent assignee history

2018–2020Patents assigned to ABLIC INC (8)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SII SEMICONDUCTOR CORP	14	2017–2020
CANON KK	11	2011–2021
NISSAN MOTOR	10	1997–2005
ABLIC INC	8	2018–2020
SANDEN CORP	6	1984–2000

Locations

Location	Patents	Span
Chiba, JP	15	2016–2020
Kawasaki, JP	6	2011–2016
Atsugi, JP	5	2004–2005
Kanagawa, JP	4	2000–2001
Maebashi, JP	4	1985–2000