Inventor · disambiguated record
Mitsuyoshi Matsushita
Also filed as: MATSUSHITA MITSUYOSHI
15 granted patents·182 citations·filing 1978–2010
93Inventor score
Files withJFE MINERAL CO LTD6TANKEN SEIKO KK6KAWATETSU MINING1MATSUSHITA MITSUYOSHI1TANKEN SEIKO CORP1
Top patents by PatentIndex Score
15 records- 0186US4196911AMechanical sealTANKEN SEIKO CORP·Filed 1978·Granted Apr 8, 1980·47 cites·5 claims
- 0279US8119024B1Piezoelectric single crystal ingot, producing method therefor and piezoelectric single crystal deviceMATSUSHITA MITSUYOSHI·Filed 2010·Granted Feb 21, 2012·7 cites·16 claims
- 0376US5067733AMechanical seal including a split seal ringTANKEN SEIKO KK·Filed 1990·Granted Nov 26, 1991·38 cites·6 claims
- 0469US4997192AMechanical seal using pore-dispersed material, and pore-dispersed cemented carbide and method for manufacturing sameTANKEN SEIKO KK·Filed 1990·Granted Mar 5, 1991·27 cites·2 claims
- 0568US7402938B2Piezoelectric single crystal deviceJFE MINERAL CO LTD·Filed 2005·Granted Jul 22, 2008·4 cites·7 claims
- 0668US4925490AMechanical seal using pore-dispersed material, and pore-dispersed cemented carbide and method for manufacturing sameTANKEN SEIKO KK·Filed 1988·Granted May 15, 1990·18 cites·4 claims
- 0765US6756238B2Domain controlled piezoelectric single crystal and fabrication method thereforKAWATETSU MINING·Filed 2002·Granted Jun 29, 2004·10 cites·4 claims
- 0862US7518292B2Piezoelectric single crystal and piezoelectric single-crystal device and method for manufacturing the sameJFE MINERAL CO LTD·Filed 2004·Granted Apr 14, 2009·4 cites·9 claims
- 0959US8004164B2Piezoelectric single crystal deviceJFE MINERAL CO LTD·Filed 2008·Granted Aug 23, 2011·1 cites·5 claims
- 1058US7888848B2Piezoelectric single crystal device and fabrication method thereofJFE MINERAL CO LTD·Filed 2004·Granted Feb 15, 2011·3 cites·30 claims
- 1155US7015628B2Piezoelectric single crystal device and fabrication method thereofJFE MINERAL CO LTD·Filed 2004·Granted Mar 21, 2006·7 cites·11 claims
- 1251US7521844B2Piezoelectric single-crystal device and method of manufacturing the sameJFE MINERAL CO LTD·Filed 2004·Granted Apr 21, 2009·2 cites·9 claims
- 1334US4982373AFluid agitatorTANKEN SEIKO KK·Filed 1989·Granted Jan 1, 1991·6 cites·4 claims
- 1432US5121931ANoncontact mechanical sealTANKEN SEIKO KK·Filed 1990·Granted Jun 16, 1992·6 cites·10 claims
- 1526US5066134AFluid agitatorTANKEN SEIKO KK·Filed 1990·Granted Nov 19, 1991·2 cites·6 claims
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