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Inventor

Kazuaki Oguchi

Inventor
Chiba, JP

Overview

2→
Patents
1998–2009
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

F16Cprimary
F16CShafts40%
G11BInformation storage based on relative movement between record carrier and transducer20%
H02KDynamo-electric machines20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
7,568,839'Fluid dynamic pressure bearing, motor, and recording medium driving device'20095,778,948'Method for inserting a fluid in a bearing device'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to SANKYO SEIKI SEISAKUSHO KK (1)· patent assignee history
1998Based in Nagano, JP· patent location history
2009Patents assigned to SEIKO INSTR INC (1)· patent assignee history
2009Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SANKYO SEIKI SEISAKUSHO KK11998
SEIKO INSTR INC12009
Locations
LocationPatentsSpan
Chiba, JP12009
Nagano, JP11998