Inventor
Masaki Odai
Inventor
Chiyoda-ku, JP
Overview
Patents· 9 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 transducer43%
G05BControl or regulating systems in general21%
G01BMeasuring length, thickness or similar linear dimensions7%
G01RMeasuring electric variables7%
G05DSystems for controlling or regulating non-electric variables7%
H01JElectric discharge tubes or discharge lamps7%
H05KPrinted circuits7%
PatentTitleYear
10,452,050Positioning system201910,296,015Frequency-characteristics measurement method and positioning control device20199,673,021'Positioning control device'20177,130,159'Magnetic disk apparatus'20066,961,201'Magnetic disk apparatus'20056,724,563'Two-stage actuator with sensitivity function preventing disturbances at all frequencies'20046,707,633'Magnetic disk device including coarse and micro actuators'20046,624,982'Magnetic disk recording apparatus'20036,614,627'Magnetic disk apparatus'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2019Patents assigned to HITACHI LTD (8)· patent assignee history
2003–2006Based in Chiyoda-ku, JP· patent location history
2006Patents assigned to HITACHI GLOBAL STORAGE TECH (1)· patent assignee history
2017–2019Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 8 | 2003–2019 |
| HITACHI GLOBAL STORAGE TECH | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiyoda-ku, JP | 6 | 2003–2006 |
| Tokyo, JP | 3 | 2017–2019 |