Inventor
Yoshiyuki Sugahara
Inventor
Tokyo, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Fprimary
H01FMagnets10%
H01LSemiconductor devices10%
H10DInorganic electric semiconductor devices10%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1010%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
B05BSpraying apparatus5%
B05CApparatus for applying fluent materials to surfaces, in general5%
C03CChemical composition of glasses, glazes or vitreous enamels5%
C23FNon-mechanical removal of metallic material from surface5%
PatentTitleYear
11,060,936Physical quantity measuring device202110,103,059Method of manufacturing silicon carbide semiconductor device and silicon carbide semiconductor device201810,002,952Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device20189,839,932'Surface chemical treatment apparatus for drawing predetermined pattern by carrying out a chemical treatment'20177,554,886'Disk access device'20097,526,176'Optical amplifier and fabrication method thereof'2009D0407409'Rodless cylinder'19995,607,875'Method of separating a semiconductor wafer with dielectrics'19975,572,179'Thin film transformer'19965,420,558'Thin film transformer'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2018Patents assigned to FUJI ELECTRIC CO LTD (5)· patent assignee history
1995–1996Based in Kawasaki, JP· patent location history
1997–2018Based in Nagano, JP· patent location history
2009Patents assigned to EPIPHOTONICS CORP (1)· patent assignee history
2009Patents assigned to PANASONIC CORP (1)· patent assignee history
2009–2021Based in Tokyo, JP· patent location history
2009Based in Ehime, JP· patent location history
2018Patents assigned to AIST (1)· patent assignee history
2018Based in Yamagata, JP· patent location history
2021Patents assigned to NAGANO KEIKI CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI ELECTRIC CO LTD | 5 | 1995–2018 |
| AIST | 1 | 2018 |
| EPIPHOTONICS CORP | 1 | 2009 |
| NAGANO KEIKI CO LTD | 1 | 2021 |
| PANASONIC CORP | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 3 | 2009–2021 |
| Nagano, JP | 2 | 1997–2018 |
| Kawasaki, JP | 2 | 1995–1996 |
| Yamagata, JP | 1 | 2018 |
| Ehime, JP | 1 | 2009 |