Inventor
Akira Nishimizu
Inventor
Tokai, JP
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties38%
H01FMagnets31%
Y10TTechnical subjects covered by former us classification8%
F01DNon-positive displacement machines or engines, e.g. steam turbines4%
G01BMeasuring length, thickness or similar linear dimensions4%
G01RMeasuring electric variables4%
G04CElectromechanical clocks or watches4%
G05BControl or regulating systems in general4%
H02KDynamo-electric machines4%
PatentTitleYear
11,107,617Transformer202110,978,237Core for stationary induction apparatus202110,861,634Stationary induction electric device202010,658,106Stationary induction electrical apparatus20209,947,453Stationary induction electric apparatus20189,689,660'Method and device for monitoring status of turbine blades'20179,274,085'Eddy current inspection device, eddy current inspection probe, and eddy current inspection method'20169,222,915'Eddy current flaw detection system and eddy current flaw detection method'20159,170,235'Eddy current testing apparatus, eddy current testing probe, and eddy current testing method'20159,103,801'Device for detecting defect of turbine rotor blade and method for detecting defect of turbine rotor blade'20158,339,130'Method and apparatus for evaluating length of defect in eddy current testing'20128,228,058'Eddy current flaw detection probe'20128,183,862'Eddy current testing device'20127,911,206'Method and apparatus for evaluating length of defect in eddy current testing'20117,358,721'Eddy current flaw detection sensor and method'20087,235,967'Eddy current testing probe and eddy current testing apparatus'20076,859,124'Gas insulation transformer'20056,769,169'Method of fabricating a core for a transformer'20046,611,191'Transformer'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2021Patents assigned to HITACHI LTD (15)· patent assignee history
2003–2005Based in Hitachi, JP· patent location history
2007–2016Based in Tokai, JP· patent location history
2012–2015Patents assigned to NISHIMIZU AKIRA (4)· patent assignee history
2012Patents assigned to NONAKA YOSHIO (3)· patent assignee history
2012–2015Patents assigned to HITACHI GE NUCLEAR ENERGY LTD (2)· patent assignee history
2015–2017Patents assigned to MITSUBISHI HITACHI POWER SYS (2)· patent assignee history
2015–2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 15 | 2003–2021 |
| NISHIMIZU AKIRAself | 4 | 2012–2015 |
| NONAKA YOSHIO | 3 | 2012 |
| HITACHI GE NUCLEAR ENERGY LTD | 2 | 2012–2015 |
| MITSUBISHI HITACHI POWER SYS | 2 | 2015–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokai, JP | 9 | 2007–2016 |
| Tokyo, JP | 7 | 2015–2021 |
| Hitachi, JP | 3 | 2003–2005 |