Inventor · disambiguated record
Yasushi Sawada
Also filed as: SAWADA YASUSHI
25 granted patents·3 pending applications·1,264 citations·filing 1984–2007
97Inventor score
Top patents by PatentIndex Score
28 records- 0198US5042027ACommunication network system and method of controlling a communication networkHITACHI LTD·Filed 1989·Granted Aug 20, 1991·369 cites·21 claims
- 0295US7543546B2Plasma processing apparatus, method for producing reaction vessel for plasma generation, and plasma processing methodMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Jun 9, 2009·76 cites·20 claims
- 0395US6489585B1Electrode for plasma generation, plasma treatment apparatus using the electrode, and plasma treatment with the apparatusMATSUSHITA ELECTRIC WORKS LTD·Filed 2000·Granted Dec 3, 2002·106 cites·19 claims
- 0495US6429400B1Plasma processing apparatus and methodMATSUSHITA ELECTRIC WORKS LTD·Filed 2000·Granted Aug 6, 2002·110 cites·24 claims
- 0594US6465964B1Plasma treatment apparatus and plasma generation method using the apparatusMATSUSHITA ELECTRIC WORKS LTD·Filed 2000·Granted Oct 15, 2002·87 cites·9 claims
- 0694US6424091B1Plasma treatment apparatus and plasma treatment method performed by use of the same apparatusMATSUSHITA ELECTRIC WORKS LTD·Filed 1999·Granted Jul 23, 2002·118 cites·20 claims
- 0793US4845399ALaminated piezoelectric transducerNIPPON SOKEN·Filed 1988·Granted Jul 4, 1989·97 cites·9 claims
- 0881US6229983B1Image formation apparatus having controller for cutting recording mediumCOPYER CO·Filed 1998·Granted May 8, 2001·28 cites·12 claims
- 0979US6670766B2Plasma treatment apparatus and plasma treatment methodMATSUSHITA ELECTRIC WORKS LTD·Filed 2001·Granted Dec 30, 2003·16 cites·26 claims
- 1076US7302176B2Optical networkHITACHI LTD·Filed 2004·Granted Nov 27, 2007·12 cites·27 claims
- 1176US5585147AProcess for a surface treatment of a glass fabricMATSUSHITA ELECTRIC WORKS LTD·Filed 1995·Granted Dec 17, 1996·39 cites·14 claims
- 1276US4985225AProcess for producing aluminum nitride powdersMATSUSHITA ELECTRIC WORKS LTD·Filed 1988·Granted Jan 15, 1991·26 cites·12 claims
- 1373US5527501AProcess for producing piezoelectric ceramic sheet and dielectric ceramic sheetNIPPON SOKEN·Filed 1994·Granted Jun 18, 1996·27 cites·9 claims
- 1469US6731874B2Optical transmission apparatus and optical systemsHITACHI LTD·Filed 2002·Granted May 4, 2004·6 cites·20 claims
- 1568US6424445B1Optical transmission apparatus and optical systemsHITACHI LTD·Filed 1998·Granted Jul 23, 2002·26 cites·4 claims
- 1668US4673959AHeterojunction FET with doubly-doped channelHITACHI LTD·Filed 1984·Granted Jun 16, 1987·20 cites·15 claims
- 1763US6519441B1Roll paper unit having paper path switching member and image forming apparatus employing the sameCOPYER CO·Filed 1998·Granted Feb 11, 2003·20 cites·28 claims
- 1860US5143748ATimber surface improving treatment processMATSUSHITA ELECTRIC WORKS LTD·Filed 1991·Granted Sep 1, 1992·22 cites·6 claims
- 1960US4605945ASemiconductor deviceHITACHI LTD·Filed 1984·Granted Aug 12, 1986·15 cites·22 claims
- 2054US6304346B1Fault restoration control method and it's apparatus in a communication networkHITACHI LTD·Filed 1998·Granted Oct 16, 2001·18 cites·6 claims
- 2153US4673543AMethod of producing hardened inorganic productsMATSUSHITA ELECTRIC WORKS LTD·Filed 1986·Granted Jun 16, 1987·14 cites·10 claims
- 2249US7194205B2Optical transmission apparatus and optical systemsHITACHI LTD·Filed 2004·Granted Mar 20, 2007·0 cites·10 claims
- 2345US7266337B2Fixing roller, and method of producing the same, fixing device and image forming deviceCANON FINETECH INC·Filed 2004·Granted Sep 4, 2007·3 cites·16 claims
- 2444US2009028616A1Fixing roller, method of manufacture thereof, and fixation assembly and image-forming apparatus employing the rollerCANON FINETECH INC·Filed 2007·Application pending·0 cites
- 2540US5605648APiezoelectric ceramicNIPPON SOKEN·Filed 1995·Granted Feb 25, 1997·6 cites·13 claims
- 2640US2001026384A1Optical networkFiled 2001·Application pending·0 cites
- 2737US2005016456A1Plasma processing device and plasma processing methodFiled 2003·Application pending·0 cites
- 2834US4672406ASemiconductor member and semiconductor device employing the sameHITACHI LTD·Filed 1984·Granted Jun 9, 1987·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →