Inventor

Hirofumi Watanabe

Inventor

Hyogo, JP

Overview

110→

Patents

1990–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 110 as inventor

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

H02Jprimary

H02JElectric power networks6%

H04NPictorial communication, e.g. television5%

Y10TTechnical subjects covered by former us classification5%

E05BLocks5%

H01LSemiconductor devices5%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation5%

E05FDevices for moving wings into open or closed position4%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof4%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%

Y02TClimate change mitigation technologies related to transportation4%

PatentTitleYear

11,100,354Mark information recording apparatus, mark information presenting apparatus, mark information recording method, and mark information presenting method2021 D0923680Electric rotary gripper2021 10,833,621Drive control device for electric motor and drive control method for same2020 10,681,810Electronic control device2020 10,311,320Mark information recording apparatus, mark information presenting apparatus, mark information recording method, and mark information presenting method2019 10,235,029Information processing apparatus, information processing method2019 10,220,743Back frame structure of vehicle seat2019 10,078,010Photoelectric conversion device, image generation device, and method of correcting output of photoelectric conversion device2018 9,871,984'Imaging device, control method of imaging device, and pixel structure'2018 9,767,941'Superconducting power transmission system and cooling method'2017 9,762,822'Imaging device including a phototransistor, method of driving the imaging device, and camera including the imaging device'2017 9,749,566'Imaging device and electronic device'2017 9,610,932'Brake control apparatus'2017 9,604,619'Brake control apparatus'2017 9,571,770'Sense circuit and method of operation thereof and photoelectric conversion array connected to inverting input of sense circuit'2017 9,508,871'Solid-state image sensing device with electrode implanted into deep trench'2016 9,478,568'Photoelectric conversion device having two switch elements'2016 9,472,706'Image sensor having a plurality of phototransistors separated by trench-gate structures and method of manufacturing the same'2016 9,472,584'Phototransistor and semiconductor device'2016 9,362,328'Semiconductor device and imaging apparatus'2016 9,337,234'Photoelectric converter, photoelectric converter array and imaging device'2016 9,318,242'Superconducting power transmission system'2016 9,282,254'Image pickup module operable to switch methods for driving a lens in an optical axis direction'2016 9,197,220'Method for resetting photoelectric conversion device, and photoelectric conversion device'2015 9,169,676'Vehicular latch device'2015 9,088,758'Mark information recording apparatus, mark information presenting apparatus, mark information recording method, and mark information presenting method'2015 9,060,440'Electronic control apparatus'2015 9,059,065'Method of varying gain of amplifying photoelectric conversion device and variable gain photoelectric conversion device'2015 8,969,810'Infrared sensor device'2015 8,959,908'Brake controller'2015 8,929,079'Electronic control device'2015 8,876,225'Actuator control unit and electric-mechanical brake unit'2014 8,783,738'Vehicle latch device'2014 8,785,777'Actuator control device, and method of manufacturing circuit device in actuator control device'2014 8,772,722'Temperature sensor and living body detector using temperature sensor'2014 8,759,772'Infrared sensor and infrared array sensor'2014 8,729,403'Electronic apparatus'2014 8,687,374'Electronic controller for vehicle'2014 8,670,234'Electronic control device'2014 8,646,553'Construction machine provided with heat exchanger'2014 8,636,838'Oxygen concentrator'2014 8,387,381'Electric booster'2013 8,174,319'Amplifier'2012 8,037,639'Door opening/closing device'2011 8,007,027'Door operating apparatus, electromagnetic clutch, and coupling mechanism'2011 7,934,429'Stress-distribution detecting semiconductor package group and detection method of stress distribution in semiconductor package using the same'2011 7,845,706'Electric actuator of automotive pivotal door'2010 7,843,253'Reference voltage generating circuit and constant voltage circuit'2010 7,801,443'Automatic circulation collection type data collecting system'2010 7,735,375'Stress-distribution detecting semiconductor package group and detection method of stress distribution in semiconductor package using the same'2010 7,615,844'Semiconductor device'2009 7,592,854'Temperature sensing circuit'2009 7,585,101'Extruder and cylinder exchanging method thereof'2009 7,530,730'Heat exchanging mechanism for a cylinder of an extruder'2009 D0578147'Electric actuator'2008 7,429,073'Door operating apparatus, electromagnetic clutch, and coupling mechanism'2008 7,426,146'Reference voltage generating circuit and constant voltage circuit'2008 7,425,753'Semiconductor device'2008 7,370,905'Door-opening/closing apparatus'2008 7,368,715'Semiconductor apparatus and infrared light sensor'2008 7,335,967'Semiconductor device'2008 7,176,659'Vehicle electrical power supply system for supplying power to a high power load'2007 7,156,447'Door-opening/closing apparatus'2007 7,080,861'Anti-panic mechanism of vehicle door latch device'2006 7,078,954'Temperature sensing circuit'2006 7,033,072'Temperature sensor'2006 6,921,199'Temperature sensor'2005 6,882,135'Voltage generating circuit and reference voltage source circuit employing field effect transistors'2005 6,876,251'Reference voltage source circuit operating with low voltage'2005 6,781,350'Automotive dynamo controller'2004 6,600,305'Voltage generating circuit and reference voltage source circuit employing field effect transistors'2003 6,527,313'Latch device for trunk lid of vehicle trunk room'2003 6,437,550'Voltage generating circuit and reference voltage source circuit employing field effect transistors'2002 6,406,073'Vehicle door latch device with double action mechanism'2002 6,384,551'Control apparatus for AC generator for gradually changing output voltages when changing operating modes'2002 6,343,817'Vehicle door latch device with double action mechanism'2002 6,271,730'Voltage-controlled oscillator including current control element'2001 6,223,845'Hydraulic excavator with engine intake air cleaner arrangement'2001 6,215,284'Control device of A.C. generator for vehicle'2001 6,204,643'Controller for car AC generator'2001 6,089,649'Opening and closing device for vehicle slide door'2000 6,075,404'Substrate biasing circuit and semiconductor integrated circuit device'2000 6,005,372'Vehicle generator controller'1999 5,938,251'Powered closing device for a vehicle door with a safety mechanism'1999 5,913,563'Powered sliding device for vehicle sliding door'1999 5,900,721'Control device for a vehicle a.c. generator'1999 5,884,433'Tension adjusting apparatus for use in vehicle door powered sliding device'1999 5,886,500'Vehicle generator controller'1999 5,833,301'Powered sliding device for vehicle sliding door'1998 5,832,669'Latch device for vehicle sliding door'1998 5,825,673'Device, method, and software products for extracting circuit-simulation parameters'1998 5,791,301'Cooling system for construction equipment'1998 5,718,465'Child-proof for vehicle sliding door latch device'1998 5,684,370'Control unit and method which vary the output voltage of an AC generator based on a detected duty ratio'1997 5,684,833'Mutual conversion method of binary data and multilevel signal, its communication method, and its receiving device'1997 5,672,954'Control system for AC generator'1997 5,656,841'Semiconductor device with contact hole'1997 5,618,068'Door lock apparatus with automatic door closing mechanism'1997 5,608,310'AC generator control apparatus for a motor vehicle'1997 5,581,172'Apparatus for controlling output of vehicular AC generator'1996 5,493,202'Voltage regulator device for vehicular AC generator'1996 5,316,960'C-MOS thin film transistor device manufacturing method'1994 5,154,457'Vehicular door lock device'1992 5,144,220'Vehicle AC generator control system'1992 5,067,612'Shrink film package having perforated folded strip'1991 5,049,365'Process for treating air containing hydrocarbon vapor with a composite adsorbent material'1991 5,028,823'Delay device with intermittent capacitor discharge'1991 4,963,519'Composite adsorbent'1990 4,945,299'Control apparatus for an a.c. generator for automobile'1990 4,914,374'Voltage regulator for AC generator with constant interruption frequency'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2007Patents assigned to MITSUBISHI ELECTRIC CORP (16)· patent assignee history

1991–2018Based in Tokyo, JP· patent location history

1992–2011Patents assigned to MITSUI MINING & SMELTING CO (17)· patent assignee history

1992–2018Based in Hyogo, JP· patent location history

1992–2011Based in Yamanashi, JP· patent location history

1994–2010Patents assigned to RICOH KK (19)· patent assignee history

1994–2017Based in Miki, JP· patent location history

2010–2018Patents assigned to RICOH CO LTD (19)· patent assignee history

2012–2018Patents assigned to WATANABE HIROFUMI (28)· patent assignee history

2014–2020Based in Isesaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WATANABE HIROFUMIself	28	2012–2018
RICOH CO LTD	19	2010–2018
RICOH KK	19	1994–2010
MITSUI MINING & SMELTING CO	17	1992–2011
MITSUBISHI ELECTRIC CORP	16	1990–2007

Locations

Location	Patents	Span
Hyogo, JP	27	1992–2018
Yamanashi, JP	19	1992–2011
Isesaki, JP	11	2014–2020
Tokyo, JP	11	1991–2018
Miki, JP	11	1994–2017