Inventor
Kaifeng Zhang
Inventor
Tokyo, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Qprimary
G01QScanning-probe techniques or apparatus26%
G01NInvestigating or analysing materials by determining their chemical or physical properties21%
B82YSpecific uses or applications of nanostructures16%
G11BInformation storage based on relative movement between record carrier and transducer16%
C01BNon-metallic elements11%
E21BEarth or rock drilling5%
G01BMeasuring length, thickness or similar linear dimensions5%
PatentTitleYear
10,877,065Near field scanning probe microscope, probe for scanning probe microscope, and sample observation method202010,823,686X-ray inspection method and X-ray inspection device202010,429,411Near field scanning probe microscope, probe for scanning probe microscope, and sample observation method201910,352,879X-ray inspection method and device20199,371,695'Integrated sidetrack drilling tool'20169,304,145'Inspection method and its apparatus for thermal assist type magnetic head element'20168,787,134'Thermally assisted magnetic recording head inspection method and apparatus'20148,713,710'Cantilever of scanning probe microscope and method for manufacturing the same, method for inspecting thermal assist type magnetic head device and its apparatus'20148,621,659'Cantilever for magnetic force microscope and method of manufacturing the same'20138,483,035'Thermally assisted magnetic recording head inspection method and apparatus'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2019Patents assigned to HITACHI HIGH TECH CORP (5)· patent assignee history
2013–2016Patents assigned to ZHANG KAIFENG (3)· patent assignee history
2013Patents assigned to HIROSE TAKENORI (2)· patent assignee history
2013Patents assigned to NAKAGOMI TSUNEO (2)· patent assignee history
2013–2014Based in Yokohama, JP· patent location history
2016–2020Based in Tokyo, JP· patent location history
2016Based in Liaoning, CN· patent location history
2019–2020Patents assigned to HITACHI LTD (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI HIGH TECH CORP | 5 | 2013–2019 |
| ZHANG KAIFENGself | 3 | 2013–2016 |
| HIROSE TAKENORI | 2 | 2013 |
| HITACHI LTD | 2 | 2019–2020 |
| NAKAGOMI TSUNEO | 2 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 5 | 2016–2020 |
| Yokohama, JP | 4 | 2013–2014 |
| Liaoning, CN | 1 | 2016 |