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Inventor

Yoshiaki Ishikawa

Inventor
Tokyo, JP

Overview

18→
Patents
1979–2019
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 18 as inventor

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

Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
Y10TTechnical subjects covered by former us classification13%
A24CMachines for making cigars or cigarettes8%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling8%
E05BLocks8%
A01DHarvesting5%
F16CShafts5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
B08BCleaning in general3%
B23BTurning3%
PatentTitleYear
10,471,519Chuck mechanism, stair form member attached jaw and machine tool20199,132,572'Electric tool with dust collector'20159,056,385'Grinding machine and method with improved teaching operation'20157,896,010'Filter cigarette inspection apparatus and inspection method'20116,876,994'Data acquisition apparatus and method'20056,763,838'Device for detecting a filling density of filler forming a rod-shaped article'20046,421,126'Density checking apparatus for tobacco flavor-tasting article or component of tobacco flavor-tasting article'20026,010,407'Flexible shaft liner assembly and torque transmitting shaft'20005,813,776'Printing method and printing apparatus using split seal paper sheets'19985,735,049'Mowing nylon cutter and mowing machine'19985,494,063'Ultrasonic degreasing apparatus'19965,288,270'Flexible shaft having element wire groups and lubricant therebetween'19944,986,579'Door closing device'19914,669,793'Mating type electric connector box structure'19874,382,622'Door lock for vehicle'19834,335,902'Passive seatbelt driving mechanism'19824,235,462'Door locking apparatus for vehicles'19804,140,166'Pneumatic radial tire'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to BRIDGESTONE TIRE CO LTD (1)· patent assignee history
1980–1991Patents assigned to AISIN SEIKI (3)· patent assignee history
1980–1991Based in Chiryu, JP· patent location history
1998–2000Patents assigned to TAISEIKOZAI CO LTD (2)· patent assignee history
1998–2000Based in Higashiosaka, JP· patent location history
2002–2011Patents assigned to JAPAN TOBACCO INC (3)· patent assignee history
2002–2011Based in Tokyo, JP· patent location history
2015Patents assigned to ISHIKAWA YOSHIAKI (2)· patent assignee history
2015Based in Anjo, JP· patent location history
2019Based in Kashiwa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AISIN SEIKI31980–1991
JAPAN TOBACCO INC32002–2011
ISHIKAWA YOSHIAKIself22015
TAISEIKOZAI CO LTD21998–2000
BRIDGESTONE TIRE CO LTD11979
Locations
LocationPatentsSpan
Tokyo, JP42002–2011
Chiryu, JP31980–1991
Higashiosaka, JP21998–2000
Kashiwa, JP12019
Anjo, JP12015