Inventor

Masanori Okada

Inventor
Hitachinaka, JP

Overview

88→
Patents
1976–2020
Patent span
LOC
Primary field

Patents· 88 as inventor

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

LOC08primary
LOC0824%
LOC138%
G03GElectrography7%
G02BOptical elements, systems or apparatus5%
LOC154%
C22CAlloys3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
F02BInternal-combustion piston engines2%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof2%
G01SRadio direction-finding2%
PatentTitleYear
10,768,046Spectrometry device202010,727,646Sweeping signal generating device202010,344,951Illuminating device201910,260,570Friction plate and wet-type multiple-disc clutch with friction plate2019D0835962Portable nailing machine body2018D0829523Portable electric power circular saw2018D0826669Portable electric driver body201810,006,353Turbocharger system and control method for the same20189,967,920Electric device outputting light, wind, heat or sound20189,897,106'Rotary machine support device'20189,693,470'Electric device with surrounding protective frame'2017D0785427'Portable electric driver body'2017D0777545'Portable electric driver'20179,505,120'Power tool'20169,471,002'Power supply unit for applying a voltage to a developer carrier, image forming apparatus, and method for applying voltage'2016D0761069'Portable electric driver'2016D0749389'Portable electric driver'2016D0744139'Floodlight'2015D0740088'Agricultural machine driving apparatus'20159,110,429'Image forming apparatus'2015D0735006'Portable electric driver'20159,042,751'High voltage power supply and image forming apparatus'2015D0726142'Radio receiver'2015D0721938'Portable electric driver'2015D0719428'Portable electric hammer drill'2014D0715617'Portable electric driver'20148,724,112'Laser gas analysis apparatus'2014D0701102'Chain saw'2014D0699672'Rechargeable battery'20148,482,735'Laser gas analyzer'2013D0678744'Portable electric driver'2013D0678024'Portable electric driver'2013D0678023'Portable plane'2013D0675500'Portable electric driver'2013D0668608'Power supply device'20128,274,538'Optical scanner, image forming apparatus, and image forming method'2012D0667467'Air compressor'20128,212,380'Power source apparatus and image forming apparatus'2012D0655245'DC-AC inverter'20128,106,767'Wireless tag communication system and image forming apparatus'20128,026,940'Image forming apparatus'2011D0645318'Portable electric hammer drill'20117,995,935'Developer device, image forming apparatus, and toner replenishment method'2011D0638681'Portable electric circular saw'2011D0638035'Engine blower'20117,880,865'Laser radar apparatus for three-dimensional detection of objects'2011D0628039'Portable electric driver'2010D0623197'Engine'2010D0622660'Battery pack'2010D0615836'Portable chain saw'2010D0610419'Portable electric driver'2010D0610421'Portable electric driver'2010D0603879'Air compressor'20097,580,117'Laser radar apparatus that measures direction and distance of an object'20097,545,485'Laser radar apparatus that measures direction and distance of an object'20097,532,829'Image forming apparatus having adjustable communication with toner container'2009D0589056'Engine'2009D0586196'Portable gas nailing machine'2009D0577558'Portable electric driver'2008D0575224'Battery pack'2008D0568239'Battery pack'2008D0567615'Portable electric driver'20087,348,548'Image forming apparatus and image forming method'2008D0562227'Battery pack'2008D0562228'Battery pack'20087,324,250'Image forming apparatus'2008D0553562'Battery pack'2007D0551930'Reciprocating saw'2007D0544436'Battery pack'20077,133,178'Image forming apparatus and image forming method'2006D0527969'Portable electric hammer drill'2006D0526873'Portable electric hammer drill'2006D0520831'Portable electric circular saw'2006D0520838'Portable electric hammer drill'2006D0520830'Portable electric circular saw'20066,971,487'Double-wrap band brake apparatus'20056,462,003'Transparent solid soap and transparent soap material'20026,156,714'Transparent solid soap and transparent soap stock comprising sodium hydroxide and organic amine'20005,976,515'Blood flow amount-improving agent comprising steroid derivative and cosmetic using same'19995,501,194'Fuel injection apparatus'19964,796,244'Disc player'19894,653,346'Transmission for use in motor vehicle'19874,308,829'Vane in the inlet passage of an internal combustion engine'19824,308,830'Vane in the inlet passage of an internal combustion engine'19824,300,958'Semi-hard magnetic material for a reed switch and process for producing the same'19813,989,557'Process of producing semi-hard magnetic materials'19763,983,916'Process for producing semi-hard Co-Nb-Fl magnetic materials'19763,974,000'Semi-hard magnetic materials'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1981Patents assigned to FUJITSU LTD (4)· patent assignee history
1976–2002Based in Yokohama, JP· patent location history
1982–1996Patents assigned to TOYOTA MOTOR CO LTD (4)· patent assignee history
2006–2019Patents assigned to HITACHI KOKI KK (53)· patent assignee history
2006–2012Patents assigned to KYOCERA MITA CORP (9)· patent assignee history
2006–2019Based in Hitachinaka, JP· patent location history
2006–2016Based in Osaka, JP· patent location history
2012–2014Patents assigned to OKADA MASANORI (12)· patent assignee history
2014–2020Based in Tokyo, JP· patent location history
2014–2018Based in Ibaraki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI KOKI KK532006–2019
OKADA MASANORIself122012–2014
KYOCERA MITA CORP92006–2012
FUJITSU LTD41976–1981
TOYOTA MOTOR CO LTD41982–1996
Locations
LocationPatentsSpan
Hitachinaka, JP492006–2019
Osaka, JP122006–2016
Yokohama, JP61976–2002
Tokyo, JP52014–2020
Ibaraki, JP42014–2018