LexDanaLexDanabeta
Inventor

Takeyuki Yoshiba

Inventor
Fujisawa, JP

Overview

5→
Patents
1990–2005
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

F16Cprimary
F16CShafts71%
G11BInformation storage based on relative movement between record carrier and transducer14%
H02KDynamo-electric machines14%
PatentTitleYear
6,910,948'Needle bearing and method for grinding bearing parts thereof'20055,289,067'Bearing device'19945,114,245'Dynamic pressure bearing device'19925,046,863'Dynamic pressure bearing device'19914,934,836'Dynamic pressure type fluid bearing device'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1992Patents assigned to NIPPON SEIKO KK (3)· patent assignee history
1990–1994Based in Fujisawa, JP· patent location history
1994–2005Patents assigned to NSK LTD (2)· patent assignee history
2005Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON SEIKO KK31990–1992
NSK LTD21994–2005
Locations
LocationPatentsSpan
Fujisawa, JP41990–1994
Kanagawa, JP12005