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Inventor

Kouichi Yamazaki

Inventor
Nagano, JP

Overview

20→
Patents
1984–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 20 as inventor

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

G03Gprimary
G03GElectrography11%
H10DInorganic electric semiconductor devices11%
H04NPictorial communication, e.g. television8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles6%
G11BInformation storage based on relative movement between record carrier and transducer6%
H01RElectrically-conductive connections6%
H05KPrinted circuits6%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%
A47CChairs3%
PatentTitleYear
10,131,973High strength spring steel and steel wire20186,814,138'Air conditioning apparatus for vehicle'20046,775,418'Image processing device and processing method'20046,609,563'Vehicular air conditioning apparatus including a detachably installed mix door assembly'20036,442,028'Electronic device'20026,017,225'Integral holder-connector for capacitor microphone'20005,975,915'Socket for inspection of semiconductor device'19995,585,896'Image forming apparatus with a contact member contacting an image carrier'19965,572,293'Method of and system for cleaning a charge inducing member'19965,557,373'Cleaning system for charging drum of an image forming apparatus'19965,526,126'Signal processor for VTR which converts color under signals to color signals'19965,512,708'Toner used in an image forming apparatus'19965,500,280'Elastomer-based connector sheet'19965,403,194'Elastic interconnector'19955,300,798'Semiconductor integrated circuit device'19945,132,806'Semiconductor integrated circuit device'19924,857,987'Semiconductor device'19894,841,484'Tri-state IIL gate'19894,799,732'Chair seat inclining and moving device'19894,430,805'Rail type universal parallel ruler device'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1996Patents assigned to HITACHI LTD (5)· patent assignee history
1989–1996Based in Yokohama, JP· patent location history
1989Based in Takasaki, JP· patent location history
1992–1996Based in Maebashi, JP· patent location history
1994–1996Patents assigned to HITACHI MICROCOMPUTER SYST (2)· patent assignee history
1995–2000Patents assigned to SHINETSU POLYMER CO (4)· patent assignee history
1995–2000Based in Nagano, JP· patent location history
1996Patents assigned to RICOH KK (4)· patent assignee history
2003–2004Patents assigned to CALSONIC KANSEI CORP (2)· patent assignee history
2003–2004Based in Tochigi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD51989–1996
RICOH KK41996
SHINETSU POLYMER CO41995–2000
CALSONIC KANSEI CORP22003–2004
HITACHI MICROCOMPUTER SYST21994–1996
Locations
LocationPatentsSpan
Nagano, JP41995–2000
Yokohama, JP41989–1996
Maebashi, JP31992–1996
Tochigi, JP22003–2004
Takasaki, JP21989