Inventor
Masaaki Ikegami
Inventor
Hyogo, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Dprimary
H10DInorganic electric semiconductor devices48%
H01LSemiconductor devices13%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%
G01RMeasuring electric variables9%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
9,627,383'Semiconductor device'20179,472,543'Wide band gap semiconductor device'20169,007,081'Jig for use in semiconductor test and method of measuring breakdown voltage by using the jig'20158,860,451'Jig for semiconductor test'20146,939,802'Method of manufacturing a semiconductor device'20055,973,384'Semiconductor device including a bipolar transistor'19995,956,592'Method of manufacturing a semiconductor device having polysilicon resistors with a specific resistance ratio resistant to manufacturing processes'19995,763,935'Bipolar semiconductor device and fabricating method thereof'19985,693,543'Method of manufacturing a semiconductor IIL device with dielectric and diffusion isolation'19975,500,553'Semiconductor device having polysilicon resistors with a specific resistance ratio resistant to manufacturing processes'19965,481,130'Semiconductor IIL device with dielectric and diffusion isolation'19965,470,764'Method of manufacturing a semiconductor device with hydrogen ion intercepting layer'19955,327,224'Semiconductor device with hydrogen ion intercepting layer'19944,884,120'Semiconductor device and method for making the same'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2017Patents assigned to MITSUBISHI ELECTRIC CORP (13)· patent assignee history
1989–1999Based in Hyogo, JP· patent location history
1998–2017Based in Tokyo, JP· patent location history
2014–2015Patents assigned to IKEGAMI MASAAKI (2)· patent assignee history
2014Patents assigned to KAGUCHI NAOTO (1)· patent assignee history
2014Patents assigned to MITSHUBISHI ELECTRONIC CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 13 | 1989–2017 |
| IKEGAMI MASAAKIself | 2 | 2014–2015 |
| KAGUCHI NAOTO | 1 | 2014 |
| MITSHUBISHI ELECTRONIC CORP | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hyogo, JP | 8 | 1989–1999 |
| Tokyo, JP | 6 | 1998–2017 |