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Extract from the Register of European Patents

EP About this file: EP0948818

EP0948818 - HIGH DENSITY TRENCH DMOS TRANSISTOR WITH TRENCH BOTTOM IMPLANT [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  13.11.2009
Database last updated on 05.10.2024
Most recent event   Tooltip11.06.2010Lapse of the patent in a contracting state
New state(s): FR
published on 14.07.2010  [2010/28]
Applicant(s)For all designated states
SILICONIX Incorporated
2201 Laurelwood Road
Santa Clara, California 95054 / US
[2009/02]
Former [1999/41]For all designated states
SILICONIX Incorporated
2201 Laurelwood Road
Santa Clara California 95054 / US
Inventor(s)01 / HSHIEH, Fwu-Iuan
20768 Sevilla Lane
Saratoga, CA 95070 / US
02 / FLOYD, Brian, H.
657 E. McKinley Avenue
Sunnyvale, CA 94086 / US
03 / CHANG, Mike
13095 Montebello Road
Cupertino, CA 95014 / US
04 / NIM, Danny
1561 Orangewood Drive
San Jose, CA 95121 / US
05 / NG, Daniel
3887 Via Montalvo
Campbell, CA 95008 / US
 [2009/02]
Former [1999/47]01 / HSHIEH, Fwu-Iuan
20768 Sevilla Lane
Saratoga, CA 95070 / US
02 / FLOYD, Brian, H.
657 E. McKinley Avenue
Sunnyvale, CA 94086 / US
03 / CHANG, Mike
13095 Montebello Road
Cupertino, CA 95014 / US
04 / NIM, Danny
1561 Orangewood Drive
San Jose, CA 95121 / US
05 / NG, Daniel
3887 Via Montalvo 1238
Campbell, CA 95008 / US
Former [1999/41]01 / HSHIEH, Fwu-Iuan
20768 Sevilla Lane
Saratoga, CA 95070 / US
02 / FLOYD, Brian, H.
657 E. McKinley Avenue
Sunnyvale, CA 94086 / US
03 / CHANG, Mike
13095 Montebello Road
Cupertino, CA 95014 / US
04 / NIM, Danny
1561 Orangewood Drive
San Jose, CA 95121 / US
05 / NG, Daniel
1035 Aster Avenue 1238
Sunnyvale, CA 94086 / US
Representative(s)Ebner von Eschenbach, Jennifer
Ladas & Parry LLP
Dachauerstrasse 37
80335 München / DE
[N/P]
Former [2003/37]Ebner von Eschenbach, Jennifer
Ladas & Parry, Dachauerstrasse 37
80335 München / DE
Former [2002/35]Manitz, Finsterwald & Partner
Postfach 31 02 20
80102 München / DE
Former [1999/41]Kolb, Georg, et al
Daimler-Benz AG, Postfach 35 35
74025 Heilbronn / DE
Application number, filing date97934104.718.07.1997
[1999/41]
WO1997US12046
Priority number, dateUS1996068436319.07.1996         Original published format: US 684363
[1999/41]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9804004
Date:29.01.1998
Language:EN
[1998/04]
Type: A1 Application with search report 
No.:EP0948818
Date:13.10.1999
Language:EN
The application published by WIPO in one of the EPO official languages on 29.01.1998 takes the place of the publication of the European patent application.
[1999/41]
Type: B1 Patent specification 
No.:EP0948818
Date:07.01.2009
Language:EN
[2009/02]
Search report(s)International search report - published on:US29.01.1998
(Supplementary) European search report - dispatched on:EP06.12.1999
ClassificationIPC:H01L21/336, H01L29/78, H01L29/08
[2008/27]
CPC:
H01L29/7813 (EP,US); H01L29/0878 (EP,US); H01L29/1095 (EP,US)
Former IPC [2000/03]H01L29/76, H01L29/78, H01L29/10, H01L21/336
Former IPC [1999/41]H01L29/76
Designated contracting statesDE,   FR,   IT,   NL [1999/41]
TitleGerman:HOCHDICHTE-GRABEN-DMOS-TRANSISTOR MIT GRABENBODEMIMPLANTIERUNG[1999/41]
English:HIGH DENSITY TRENCH DMOS TRANSISTOR WITH TRENCH BOTTOM IMPLANT[1999/41]
French:TRANSISTOR DMOS POUR TRANCHEES A HAUTE DENSITE A IMPLANT DE FOND DE TRANCHEE[1999/41]
Entry into regional phase22.12.1998National basic fee paid 
22.12.1998Search fee paid 
22.12.1998Designation fee(s) paid 
22.12.1998Examination fee paid 
Examination procedure10.02.1998Request for preliminary examination filed
International Preliminary Examining Authority: US
22.12.1998Examination requested  [1999/41]
21.06.2004Despatch of a communication from the examining division (Time limit: M04)
25.10.2004Reply to a communication from the examining division
02.09.2005Despatch of a communication from the examining division (Time limit: M04)
09.11.2005Reply to a communication from the examining division
31.07.2008Communication of intention to grant the patent
25.11.2008Fee for grant paid
25.11.2008Fee for publishing/printing paid
Divisional application(s)EP08022385.2  / EP2043158
Opposition(s)08.10.2009No opposition filed within time limit [2009/51]
Fees paidRenewal fee
06.07.1999Renewal fee patent year 03
14.06.2000Renewal fee patent year 04
19.06.2001Renewal fee patent year 05
24.06.2002Renewal fee patent year 06
23.07.2003Renewal fee patent year 07
22.07.2004Renewal fee patent year 08
20.07.2005Renewal fee patent year 09
29.08.2006Renewal fee patent year 10
29.08.2007Renewal fee patent year 11
25.07.2008Renewal fee patent year 12
Penalty fee
Additional fee for renewal fee
31.07.200610   M06   Fee paid on   29.08.2006
31.07.200711   M06   Fee paid on   29.08.2007
Opt-out from the exclusive  Tooltip
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Patent Court
See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipNL07.01.2009
FR31.07.2009
[2010/28]
Former [2009/30]NL07.01.2009
Documents cited:Search[XY]JPH0621468  ;
 [Y]US5168331  (YILMAZ HAMZA [US]) [Y] 8,11 * column A; figures 1,7 *;
 [PX]JPH08306914  ;
 US5714781  [ ] (YAMAMOTO TSUYOSHI [JP], et al);
 [X]EP0720235  (SILICONIX INC [US]) [X] 1 * column A; figure 12A *;
 [A]US5341011  (HSHIEH FWU-IUAN [US], et al) [A] 1 * column A; figure - *
 [XY]  - PATENT ABSTRACTS OF JAPAN, (19940422), vol. 018, no. 225, Database accession no. (E - 1541), & JP06021468 A 19940128 (TOSHIBA CORP) [X] 1-3,8 * abstract * [Y] 8,11
 [PX]  - PATENT ABSTRACTS OF JAPAN, (19970331), vol. 1997, no. 03, & JP08306914 A 19961122 (NIPPONDENSO CO LTD) [PX] 1 * abstract *
International search[Y]US5442214  (YANG SHENG-HSING [TW]);
 [YP]US5558313  (HSHIEH FWU-IUAN [US], et al);
 [Y]US4893160  (BLANCHARD RICHARD A [US]);
 [Y]US4964080  (TZENG JYH-CHERNG J [US]);
 [Y]JPH05343691  (NIPPON DENSO CO)
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.