Inventor
Syuuji Saitoo
Inventor
Katsuta, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems22%
H03KPulse technique22%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1022%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact7%
H05KPrinted circuits7%
H10DInorganic electric semiconductor devices7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application4%
PatentTitleYear
5,929,519'Semiconductor module including switching device chips and diode chips'19995,925,929'Cooling apparatus for electronic elements'19995,801,936'Semiconductor module for a power conversion device'19985,731,970'Power conversion device and semiconductor module suitable for use in the device'19985,651,414'Heat-pipe type cooling apparatus'19975,535,114'Power converter'19965,461,556'Power converter'19955,459,655'Neutral-point clamped inverter device using semiconductor modules'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–1999Patents assigned to HITACHI LTD (7)· patent assignee history
1995–1999Based in Katsuta, JP· patent location history
1997Patents assigned to HITACHI CABLE (1)· patent assignee history
1999Patents assigned to HITCHI LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 7 | 1995–1999 |
| HITACHI CABLE | 1 | 1997 |
| HITCHI LTD | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Katsuta, JP | 8 | 1995–1999 |