LexDanaLexDanabeta
Inventor

Tadashi Imanaka

Inventor
Odawara, JP

Overview

12→
Patents
1989–2007
Patent span
Physics
Primary field (CPC G)

Patents· 12 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer40%
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
Y10TTechnical subjects covered by former us classification20%
C23FNon-mechanical removal of metallic material from surface7%
PatentTitleYear
7,168,155'Method of manufacturing an integrated thin film head'20076,882,507'Integrated thin film head with magneto-resistive sensor preventing short circuit between thin films'2005RE037785'Recording/reproducing separation type magnetic head'20026,080,293'Electrolytic test machine'20006,033,554'Corrosion resistance test process for test material comprised of metal blank and coating film'20006,024,861'Electric anticorrosion method and apparatus'20005,980,711'Electrolytic test machine'19995,972,198'Corrosion resistance test process for article formed of metal material and coating'19995,972,186'Electrolytic test machine'19995,894,380'Recording/reproducing separation type magnetic head'19994,949,209'Thin-film magnetic head having special input/output terminal backing connection and method of fabricating the same'19904,841,402'Thin film magnetic head and method of manufacture'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2002Patents assigned to HITACHI LTD (4)· patent assignee history
1989–2007Based in Odawara, JP· patent location history
1999–2000Patents assigned to HONDA MOTOR CO LTD (6)· patent assignee history
1999–2000Patents assigned to MITSUBA CORP (4)· patent assignee history
1999–2000Based in Wako, JP· patent location history
2000Based in Saitama, JP· patent location history
2005–2007Patents assigned to HITACHI GLOBAL STORAGE TECH (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HONDA MOTOR CO LTD61999–2000
HITACHI LTD41989–2002
MITSUBA CORP41999–2000
HITACHI GLOBAL STORAGE TECH22005–2007
Locations
LocationPatentsSpan
Odawara, JP61989–2007
Wako, JP51999–2000
Saitama, JP12000