Inventor
Ryoko Araki
Inventor
Tokyo, JP
Overview
Patents· 4 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 transducer29%
H01JElectric discharge tubes or discharge lamps29%
G01BMeasuring length, thickness or similar linear dimensions14%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
G02BOptical elements, systems or apparatus14%
PatentTitleYear
11,043,358Measuring apparatus and method of setting observation condition202110,338,367Scanning microscope with controlled variable measurement parameters20197,892,663'Perpendicular magnetic recording media and magnetic storage apparatus using the same'20117,374,831'Magnetic recording medium'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008Patents assigned to HITACHI GLOBAL STORAGE TECH (1)· patent assignee history
2008–2021Based in Tokyo, JP· patent location history
2011Patents assigned to HITACHI GLOBAL STORAGE TECH NL (1)· patent assignee history
2019Patents assigned to HITACHI LTD (1)· patent assignee history
2021Patents assigned to HITACHI HIGH TECH CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI GLOBAL STORAGE TECH | 1 | 2008 |
| HITACHI GLOBAL STORAGE TECH NL | 1 | 2011 |
| HITACHI HIGH TECH CORP | 1 | 2021 |
| HITACHI LTD | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 2008–2021 |