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Inventor

Hideo Tsuboi

Inventor
Ohta, JP

Overview

3→
Patents
1992–1993
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F16Cprimary
F16CShafts25%
F16JPistons25%
G07CTime or attendance registers25%
H02KDynamo-electric machines25%
PatentTitleYear
5,224,714'Noncontacting face seal'19935,223,758'Spindle motor'19935,175,417'Window information apparatus'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to FUJITSU LTD (1)· patent assignee history
1992Based in Sagamihara, JP· patent location history
1993Patents assigned to EBARA CORP (2)· patent assignee history
1993Based in Ohta, JP· patent location history
1993Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EBARA CORP21993
FUJITSU LTD11992
Locations
LocationPatentsSpan
Ohta, JP11993
Kanagawa, JP11993
Sagamihara, JP11992