Inventor
Tadashi Akahori
Inventor
Kitasaku-gun, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Cprimary
F16CShafts31%
G11BInformation storage based on relative movement between record carrier and transducer31%
H02KDynamo-electric machines31%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
10,666,100Spindle motor, hard disk drive device, and method of manufacturing spindle motor20207,661,882'Fluid dynamic pressure bearing device, spindle motor provided with the fluid dynamic pressure bearing device, and recording disk drive device'20107,654,744'Fluid dynamic bearing mechanism for a motor'20107,251,891'Production method for sintered bearing member, fluid dynamic pressure bearing device, and spindle motor'20077,144,161'Hydrodynamic bearing system for a rotary bearing of spindle motors'20066,469,410'Spindle motor for driving disc'20026,455,965'Spindle motor having an extended outer ring above a hub'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2010Patents assigned to MINEBEA CO LTD (6)· patent assignee history
2002–2020Based in Kitasaku-gun, JP· patent location history
2006Based in Miyota-machi, JP· patent location history
2007Based in Nagano, JP· patent location history
2020Patents assigned to MINEBEA MITSUMI INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINEBEA CO LTD | 6 | 2002–2010 |
| MINEBEA MITSUMI INC | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kitasaku-gun, JP | 5 | 2002–2020 |
| Nagano, JP | 1 | 2007 |
| Miyota-machi, JP | 1 | 2006 |