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Inventor

Yasutaka Akashi

Inventor
Yokohama, JP

Overview

53→
Patents
1990–2021
Patent span
Physics
Primary field (CPC G)

Patents· 53 as inventor

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

G03Gprimary
G03GElectrography50%
LOC1214%
Y10TTechnical subjects covered by former us classification13%
B60CVehicle tyres5%
C08LCompositions of macromolecular compounds4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
H01BCables3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry1%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients1%
PatentTitleYear
D0924786Automobile tire2021D0905620Automobile tire202010,766,309Pneumatic tire202010,603,961Pneumatic tire202010,286,733Pneumatic tire201910,252,577Pneumatic tire201910,162,281Liquid developer and manufacturing method of liquid developer2018D0807814'Automobile tire'2018D0805463Automobile tire2017D0805467Automobile tire2017D0805468Automobile tire2017D0801912'Automobile tire'2017D0800645'Automobile tire'2017D0800644'Automobile tire'2017D0754596'Sidewall portion of an automobile tire'2016D0754595'Sidewall portion of an automobile tire'20169,026,012'Developer carrying member, process for its production, and developing assembly'20158,792,810'Developer carrying member, process for its production, and developing assembly'20148,628,846'Developer carrying member and developing unit'20148,546,051'Developer bearing member and process for producing same, development apparatus and development method'20138,377,549'Developer carrying member, and developing apparatus using same'20138,372,570'Developer carrying member, method for manufacturing same and developing apparatus'20138,298,658'Developer carrying member and developing assembly'20128,295,745'Developer carrying member and developing assembly'20128,059,997'Developer carrying member and developing apparatus'20117,796,926'Developing apparatus and electrophotographic image-forming apparatus'20107,727,619'Developer carrying member and developing apparatus'20107,585,606'Developer carrying member and developing method by using thereof'20097,364,791'Developer carrying member and developing method by using thereof'20087,361,400'Developer carrier, developing device using the developer carrier, and process cartridge using the developer carrier'20087,223,511'Developer carrying member and developing method by using thereof'20076,924,076'Developing assembly, process cartridge and image-forming method'20056,873,816'Developing assembly, process cartridge and image-forming method'20056,841,327'Developing assembly, image-forming apparatus and process cartridge'20056,687,476'Developer-carrying member, method for regeneration thereof and developing apparatus'20046,632,577'Image forming method'20035,849,453'Image forming method including recycling of untransferred toner collected from image bearing member to developing means'19985,641,600'Magnetic toner and image forming method'19975,504,272'Magnetic toner having defined particle distribution'19965,500,318'Toner for developing electrostatic image and fixing method'19965,480,755'Magnetic toner, image forming method, surface-modified fine silica powder and process for its production'19965,348,829'Monocomponent-type developer for developing electrostatic image and image forming method'19945,338,894'Image forming method with improved development'19945,330,871'Toner for developing electrostatic image'19945,296,326'Magnetic toner'19945,268,248'Toner for developing electrostatic image and process for production thereof'19935,219,946'Binder resin and process for producing it'19935,215,854'Process for producing microcapsule toner'19935,212,524'Toner for developing electrostatic images, image forming method and image forming apparatus'19935,202,731'Image forming apparatus having an alternating bias electric field'19935,175,070'Image forming method and image forming apparatus'19925,169,738'Toner for developing electrostatic images, image forming method and image forming apparatus'19924,904,562'Process for producing encapsulated toner'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2018Patents assigned to CANON KK (38)· patent assignee history
1990–2018Based in Yokohama, JP· patent location history
1993Based in Shimomaruko, Ohta-ku, Tokyo, JP· patent location history
2005–2010Based in Kanagawa, JP· patent location history
2011–2013Patents assigned to AKASHI YASUTAKA (6)· patent assignee history
2011–2013Patents assigned to ITO MINORU (6)· patent assignee history
2011–2013Patents assigned to OTAKE SATOSHI (6)· patent assignee history
2012Based in Tokyo, JP· patent location history
2016–2021Patents assigned to YOKOHAMA RUBBER CO LTD (15)· patent assignee history
2016–2021Based in Hiratsuka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK381990–2018
YOKOHAMA RUBBER CO LTD152016–2021
AKASHI YASUTAKAself62011–2013
ITO MINORU62011–2013
OTAKE SATOSHI62011–2013
Locations
LocationPatentsSpan
Yokohama, JP281990–2018
Hiratsuka, JP152016–2021
Kanagawa, JP82005–2010
Tokyo, JP12012
Shimomaruko, Ohta-ku, Tokyo, JP11993