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Inventor

Hiroshi Tachi

Inventor
Akishima, JP

Overview

6→
Patents
1990–2008
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H10Wprimary
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1031%
F16CShafts15%
F16HGearing15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
H05KPrinted circuits8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
7,320,550'Tapered roller bearing'20087,175,351'Tapered roller bearing'20075,234,866'Semiconductor device and process for producing the same, and lead frame used in said process'19935,126,821'Semiconductor device having inner leads extending over a surface of a semiconductor pellet'19925,067,007'Semiconductor device having leads for mounting to a surface of a printed circuit board'19914,943,843'Semiconductor device'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1993Patents assigned to HITACHI LTD (4)· patent assignee history
1990–1993Patents assigned to HITACHI VLSI ENG (4)· patent assignee history
1990Based in Ohme, JP· patent location history
1991–1993Based in Akishima, JP· patent location history
2007Patents assigned to KOYO SEIKO CO (1)· patent assignee history
2007–2008Based in Nagoya, JP· patent location history
2008Patents assigned to JTEKT CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD41990–1993
HITACHI VLSI ENG41990–1993
JTEKT CORP12008
KOYO SEIKO CO12007
Locations
LocationPatentsSpan
Akishima, JP31991–1993
Nagoya, JP22007–2008
Ohme, JP11990