Inventor · disambiguated record
Shinzo Sakuma
Also filed as: SAKUMA SHINZO
30 granted patents·502 citations·filing 1976–2007
97Inventor score
Files withMEIDENSHA ELECTRIC MFG CO LTD19OKI ELECTRIC IND CO LTD9OKI ELECTRIC INDUSRTY CO LTD1OKI SEMICONDUCTOR CO LTD1
Top patents by PatentIndex Score
30 records- 0195US5313426ASemiconductor memory deviceOKI ELECTRIC IND CO LTD·Filed 1992·Granted May 17, 1994·123 cites·10 claims
- 0293US5850362ASemiconductor memory device employing an improved layout of sense amplifiersOKI ELECTRIC IND CO LTD·Filed 1996·Granted Dec 15, 1998·105 cites·12 claims
- 0390US4077114AVacuum power interrupterMEIDENSHA ELECTRIC MFG CO LTD·Filed 1976·Granted Mar 7, 1978·47 cites·2 claims
- 0483US4394554AVacuum circuit interrupterMEIDENSHA ELECTRIC MFG CO LTD·Filed 1981·Granted Jul 19, 1983·28 cites·33 claims
- 0569US4408107AVacuum interrupterMEIDENSHA ELECTRIC MFG CO LTD·Filed 1981·Granted Oct 4, 1983·16 cites·22 claims
- 0667US4434331AVacuum power interrupting deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 1981·Granted Feb 28, 1984·14 cites·12 claims
- 0766US4365127AVacuum power interrupterMEIDENSHA ELECTRIC MFG CO LTD·Filed 1980·Granted Dec 21, 1982·13 cites·9 claims
- 0864US7193882B2Semiconductor memory deviceOKI ELECTRIC INDUSRTY CO LTD·Filed 2005·Granted Mar 20, 2007·4 cites·2 claims
- 0963US7154767B2Method for manufacture of semiconductor deviceOKI ELECTRIC IND CO LTD·Filed 2004·Granted Dec 26, 2006·12 cites·15 claims
- 1063US6781862B2Semiconductor memory deviceOKI ELECTRIC IND CO LTD·Filed 2002·Granted Aug 24, 2004·9 cites·2 claims
- 1159US7599207B2Semiconductor memory deviceOKI SEMICONDUCTOR CO LTD·Filed 2007·Granted Oct 6, 2009·4 cites·9 claims
- 1259US7319607B2Ferroelectric memoryOKI ELECTRIC IND CO LTD·Filed 2006·Granted Jan 15, 2008·4 cites·15 claims
- 1359US4707577AVacuum interrupterMEIDENSHA ELECTRIC MFG CO LTD·Filed 1987·Granted Nov 17, 1987·14 cites·7 claims
- 1458US4661666AVacuum interrupterMEIDENSHA ELECTRIC MFG CO LTD·Filed 1986·Granted Apr 28, 1987·12 cites·16 claims
- 1556US4481390AVacuum circuit interrupterMEIDENSHA ELECTRIC MFG CO LTD·Filed 1981·Granted Nov 6, 1984·10 cites·16 claims
- 1656US4446346AVacuum interrupterMEIDENSHA ELECTRIC MFG CO LTD·Filed 1981·Granted May 1, 1984·10 cites·6 claims
- 1756US4429197AVacuum power interrupting deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 1980·Granted Jan 31, 1984·8 cites·6 claims
- 1855US7012830B2Semiconductor memory deviceOKI ELECTRIC IND CO LTD·Filed 2005·Granted Mar 14, 2006·2 cites·2 claims
- 1952US4417110AVacuum interrupterMEIDENSHA ELECTRIC MFG CO LTD·Filed 1981·Granted Nov 22, 1983·8 cites·13 claims
- 2052US4293748AVacuum circuit interrupter electrodesMEIDENSHA ELECTRIC MFG CO LTD·Filed 1978·Granted Oct 6, 1981·7 cites·9 claims
- 2151US4431885AVacuum interrupterMEIDENSHA ELECTRIC MFG CO LTD·Filed 1981·Granted Feb 14, 1984·8 cites·3 claims
- 2251US4414448AVacuum circuit interrupterMEIDENSHA ELECTRIC MFG CO LTD·Filed 1981·Granted Nov 8, 1983·8 cites·4 claims
- 2350US6999336B2Ferroelectric memoryOKI ELECTRIC IND CO LTD·Filed 2004·Granted Feb 14, 2006·5 cites·14 claims
- 2449US4499349AVacuum interrupterMEIDENSHA ELECTRIC MFG CO LTD·Filed 1982·Granted Feb 12, 1985·7 cites·6 claims
- 2548US4421961AVacuum circuit breakerMEIDENSHA ELECTRIC MFG CO LTD·Filed 1981·Granted Dec 20, 1983·7 cites·8 claims
- 2646US6870754B2Ferroelectric memoryOKI ELECTRIC IND CO LTD·Filed 2003·Granted Mar 22, 2005·4 cites·10 claims
- 2742US6914799B2Semiconductor memory deviceOKI ELECTRIC IND CO LTD·Filed 2004·Granted Jul 5, 2005·2 cites·2 claims
- 2842US4410777AVacuum circuit interrupterMEIDENSHA ELECTRIC MFG CO LTD·Filed 1981·Granted Oct 18, 1983·5 cites·11 claims
- 2942US4310735AArc-shield supporting structure of a vacuum power interrupterMEIDENSHA ELECTRIC MFG CO LTD·Filed 1979·Granted Jan 12, 1982·4 cites·7 claims
- 3033US4465991AOperating device for effecting opening and closing operation of a vacuum interrupter with an electromagnet incorporated thereinMEIDENSHA ELECTRIC MFG CO LTD·Filed 1983·Granted Aug 14, 1984·2 cites·2 claims
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