LexDanaLexDanabeta
Inventor

Hideaki Showa

Inventor
Kitasaku-gun, JP

Overview

8→
Patents
2015–2021
Patent span
Physics
Primary field (CPC G)

Patents· 8 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 transducer45%
H02KDynamo-electric machines36%
F16CShafts18%
PatentTitleYear
11,118,628Fluid dynamic bearing device, spindle motor, and hard disk drive device202111,011,196Spindle motor and hard disk drive device202110,938,270Spindle motor202110,825,476Spindle motor202010,755,740Spindle motor202010,476,340Spindle motor201910,393,171Fluid dynamic bearing and spindle motor20198,941,947'Spindle motor and hard disk drive therewith'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015Patents assigned to MINEBEA CO LTD (1)· patent assignee history
2015–2021Based in Kitasaku-gun, JP· patent location history
2019–2021Patents assigned to MINEBEA MITSUMI INC (7)· patent assignee history
2020–2021Based in Nagano, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINEBEA MITSUMI INC72019–2021
MINEBEA CO LTD12015
Locations
LocationPatentsSpan
Kitasaku-gun, JP52015–2021
Nagano, JP32020–2021