LexDanaLexDanabeta
Inventor

Masatoshi Yamada

Inventor
Aichi, JP

Overview

58→
Patents
1978–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 58 as inventor

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

G03Gprimary
G03GElectrography10%
B41JTypewriters9%
Y02TClimate change mitigation technologies related to transportation8%
F16HGearing6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
B60WConjoint control of vehicle sub-units of different type or different function5%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%
F02BInternal-combustion piston engines5%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%
C07BGeneral methods of organic chemistry4%
PatentTitleYear
10,976,682Method for controlling electrophotographic apparatus202110,227,940Control device for internal combustion engine20199,809,569'Process for producing heterocyclic compound'20179,657,673'Exhaust purification system for internal combustion engine'20179,238,667'Rhodium catalyst and method for producing amine compound'20169,141,082'Process cartridge and image forming apparatus using the process cartridge'20159,037,041'Image forming apparatus and transfer device having a rotatable door'20158,981,147'Diphosphine ligand and transition metal complex using the same'20158,915,323'Two-rear-wheel electric vehicle'20148,849,173'Developer collecting device which reduces clogging of filter and image forming apparatus'20148,774,674'Image forming apparatus and transport guiding device having a smoothly operating door'20148,750,747'Developer collecting device and image forming apparatus'20148,706,000'Developer collecting device and image forming apparatus for preventing toner from escaping'20148,691,718'Diphosphine ligand and transition metal complex using the same'20148,630,562'Image forming apparatus'20148,554,120'Image forming apparatus and computer readable medium storing program'20138,503,903'Developer collecting device and image forming apparatus'20138,385,770'Developer recovery device and image forming device'20138,348,403'Image forming apparatus'20137,780,259'Ink cartridge, detection device for cartridge identification and ink level detection, and image formation apparatus comprising thereof'20107,591,518'Image forming apparatus'20097,585,123'Image forming apparatus'20097,541,498'Process for production of phosphine-borane complexes'20097,478,804'Paper feeding apparatus, image formation apparatus with paper feeding apparatus and storage medium storing control program thereof'20097,360,858'Ink cartridge, detection device for cartridge identification and ink level detection, and image formation apparatus comprising thereof'20087,093,917'Image forming apparatus and correction method of transfer condition thereof'20067,086,715'Method of printing a test pattern, an image forming device, and a recording medium on which the test pattern is printed'20067,083,259'Inkjet printing device'20067,021,737'Image forming apparatus'20066,902,251'Inkjet printing device'20056,283,133'Method for cleaning heavy hydrocarbon scale adhered to heat exchanger and piping structure for cleaning'20015,857,443'Devices for controlling plant, clutch slip, and idling engine speed and methods of controlling the same'19995,749,061'Clutch slip control device and method of manufacturing the same, clutch slip control method, and vehicle control device'19985,697,867'Devices for controlling plant, clutch slip, and idling engine speed and methods of controlling the same'19975,627,750'Clutch slip control device and method of manufacturing the same, clutch slip control method, and vehicle control device'19975,616,000'Stator of torque converter for vehicles improved to suppress separation of working fluid'19975,306,496'Antibiotics NK374186A, NK374186B, NK374186B3 and NK374186C3, process for producing the same, and use of the same'19945,121,153'Automatic focusing device'19925,121,154'Automatic focusing device used for a camera'19925,089,841'Device for automatically changing magnification of camera zoom lens'19925,079,585'Camera data storage apparatus with power cut off protection'19924,988,139'Retractable sun visor with variable shading for an automobile'19914,878,080'Camera zoom lens automatic magnification apparatus'19894,769,774'System for controlling engine speed when direction of vehicle changed'19884,727,490'Running control device on cargo handling vehicles'19884,722,312'Electro-pressure conversion control device'19884,721,253'Intermittent type swirl injection nozzle'19884,685,432'Method and device for forming mixture gas in direct injection type internal combustion engine'19874,675,827'Revolution controller for a single power plant in cargo-handling vehicles'19874,633,830'Direct injection internal combustion engine of compression ignition type'19874,629,127'Intermittent swirl type injection valve'19864,564,073'Plow or harrow'19864,510,264'Process for the preparation of a catalyst for the synthesis of methane'19854,506,545'Sensor for detecting flow quantity of fuel supplied to fuel injection system'19854,416,196'Tying machine'19834,345,771'Sealing cup for hydraulic piston-cylinder device'19824,189,160'Sealing cup'19804,106,446'Internal combustion engine with auxiliary combustion chamber'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1999Patents assigned to TOYODA CHUO KENKYUSHO KK (16)· patent assignee history
1978–1999Based in Nagoya, JP· patent location history
1985–2013Based in Aichi, JP· patent location history
1989–1992Based in Okaya, JP· patent location history
2005–2013Patents assigned to BROTHER IND LTD (11)· patent assignee history
2009–2017Based in Osaka, JP· patent location history
2013–2019Patents assigned to YAMADA MASATOSHI (13)· patent assignee history
2013–2015Patents assigned to FUJI XEROX CO LTD (10)· patent assignee history
2013–2014Patents assigned to KANEYAMA KIYOTOSHI (7)· patent assignee history
2013–2015Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYODA CHUO KENKYUSHO KK161978–1999
YAMADA MASATOSHIself132013–2019
BROTHER IND LTD112005–2013
FUJI XEROX CO LTD102013–2015
KANEYAMA KIYOTOSHI72013–2014
Locations
LocationPatentsSpan
Aichi, JP151985–2013
Nagoya, JP111978–1999
Kanagawa, JP92013–2015
Osaka, JP52009–2017
Okaya, JP31989–1992