Inventor

Yasuhiro Fujita

Inventor

Kashiwa, JP

Overview

1976–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 74 as inventor

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

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%

G01NInvestigating or analysing materials by determining their chemical or physical properties7%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers6%

Y10TTechnical subjects covered by former us classification5%

A61LMethods or apparatus for sterilising materials or objects in general4%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

C08JWorking-up3%

H04SStereophonic systems3%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy2%

PatentTitleYear

10,750,283Acoustic device and acoustic control device2020 10,625,670Notification device and notification method2020 10,479,271Vehicle notification device and vehicle notification method2019 10,375,500Propagation delay correction apparatus and propagation delay correction method2019 10,362,396Phase control signal generation device, phase control signal generation method, and phase control signal generation program2019 10,354,675Signal processing device and signal processing method for interpolating a high band component of an audio signal2019 10,270,412Sound-field correction device, sound-field correction method, and sound-field correction program2019 10,179,592Vehicle notification device and vehicle notification method2019 10,147,434Signal processing device and signal processing method2018 10,046,773Notification device and notification method2018 10,008,997Filter generator, filter generation method, and filter generation program2018 9,986,352Acoustic processing device, acoustic processing method, and acoustic processing program2018 9,927,184'Heat exchanger'2018 9,883,303'Sound field measuring device, method and program'2018 9,863,721'Heat exchanger'2018 9,866,960'Vibration audio system, vibration audio output method, and vibration audio program'2018 9,693,171'Sound field measuring device, method, and program'2017 9,587,892'Heat exchanger'2017 9,380,386'Distortion sound correction complement device and distortion sound correction complement method'2016 9,347,914'Gas sensor'2016 9,228,987'Gas sensor'2016 9,140,585'Gas sensor'2015 8,877,878'Epoxy resin composition with sulfonium borate complex'2014 8,869,653'Drive apparatus for hybrid vehicle'2014 8,865,026'Thermosetting adhesive'2014 8,650,933'Gas sensor'2014 8,607,969'Composition comprising hydrogen storage alloy and resin'2013 8,567,234'Gas sensor'2013 8,519,212'Water-absorbent resin, hydropolymer, process for producing them, and uses of them'2013 8,408,254'Hydrogen filling apparatus'2013 8,016,990'Protective covers for gas sensor, gas sensor and gas sensor manufacturing method'2011 8,011,223'Remaining hydrogen sensor'2011 7,931,956'Anisotropic conductive film, method for producing the same, and bonded structure'2011 7,741,400'Water-absorbent resin, hydropolymer, process for producing them, and uses of them'2010 7,736,095'Pile assembly for engineering and construction works'2010 7,694,900'Method for disintegrating hydrate polymer and method for production of water-absorbent resin'2010 7,638,078'Process for production of hydrogel particles and process for cutting of high-concentration hydrogel sheet'2009 7,622,535'Method for continuous production of water-absorbent resin'2009 7,534,332'Gas sensor manufacturing process, and gas sensor'2009 7,510,767'Liquid absorbing sheet and nonaqueous electrolyte battery pack'2009 7,445,868'Battery packs'2008 7,424,819'Gas sensor'2008 7,420,018'Water-absorbing agent production process with surface crosslinking and ion blocking'2008 7,399,531'Liquid absorbing sheet and nonaqueous electrolyte battery pack'2008 7,312,278'Water-absorbing agent and production process therefor, and sanitary material'2007 7,265,190'Process and apparatus for production of water-absorbent resin'2007 7,264,234'Gas humidifier'2007 7,241,370'Protective covers for gas sensor, gas sensor and gas sensor manufacturing method'2007 7,091,253'Water-absorbent resin, hydropolymer, process for producing them, and uses of them'2006 7,032,433'Sensor, sensor producing method, and assembly of separator and urging member'2006 6,978,623'Gas turbine, driving method thereof and gas turbine combined electric power generation plant'2005 6,964,998'Water-absorbing agent and its production process and use'2005 6,957,541'Gas turbine and operation method of gas turbine combined electric generating plant, gas turbine combined electric generating plant, and computer product'2005 6,906,159'Water-absorbent resin, hydropolymer, process for producing them, and uses of them'2005 6,867,269'Water-absorbent resin and production process therefor'2005 6,787,587'Process for the production of low-molecular-weight allylamine polymer or addition salt thereof'2004 6,679,099'Gas sensor'2004 6,599,989'Water-absorbent agents containing polycarboxylic amine chelating agents'2003 6,395,849'Processes for producing N,N-dialkylallylamine polymers and N,N-dialkyllylamine polymers'2002 6,207,796'Production process for hydrophilic polymer'2001 6,207,772'Method for production of cross-linked polymer'2001 6,194,531'Method for production of cross-linked polymer'2001 6,107,358'Water-absorbent resin and method for production thereof'2000 5,975,808'Pile or pile assembly for engineering and construction works'1999 5,813,943'Control system for automatic transmission'1998 5,371,931'Production system for molded and pressed parts'1994 5,236,388'Automatic fishing gut binding machine'1993 5,216,341'Windshield wiper control apparatus'1993 5,117,168'Windshield wiper control apparatus'1992 4,987,296'Rain sensor with improved avoidance of reflected light'1991 4,620,655'Apparatus for supplying taped parts'1986 4,449,293'Coil winding and inserting machine'1984 4,055,817'Variable frequency oscillator'1977 3,989,926'Device for preventing overheating of electrophotographic fixing device'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2013Patents assigned to NIPPON CATALYTIC CHEM IND (15)· patent assignee history

2000–2017Based in Hyogo, JP· patent location history

2001–2013Based in Himeji, JP· patent location history

2004–2016Patents assigned to NGK SPARK PLUG CO (11)· patent assignee history

2008–2014Patents assigned to SONY CHEM & INF DEVICE CORP (5)· patent assignee history

2008–2014Based in Tochigi, JP· patent location history

2009–2016Based in Kaizu, JP· patent location history

2010–2015Patents assigned to FUJITA YASUHIRO (9)· patent assignee history

2016–2020Patents assigned to CLARION CO LTD (16)· patent assignee history

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

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CLARION CO LTD	16	2016–2020
NIPPON CATALYTIC CHEM IND	15	2000–2013
NGK SPARK PLUG CO	11	2004–2016
FUJITA YASUHIROself	9	2010–2015
SONY CHEM & INF DEVICE CORP	5	2008–2014

Locations

Location	Patents	Span
Kashiwa, JP	15	2016–2020
Himeji, JP	13	2001–2013
Hyogo, JP	7	2000–2017
Kaizu, JP	6	2009–2016
Tochigi, JP	5	2008–2014