Inventor · disambiguated record
Kazumasa Kitamura
Also filed as: KITAMURA KAZUMASA
35 granted patents·13 pending applications·310 citations·filing 1996–2022
97Inventor score
Top patents by PatentIndex Score
48 records- 0190US6864620B2Matrix type actuatorNGK INSULATORS LTD·Filed 2001·Granted Mar 8, 2005·36 cites·14 claims
- 0289US9033764B2Method of polishing object to be polishedKITAMURA KAZUMASA·Filed 2011·Granted May 19, 2015·16 cites·11 claims
- 0385US9616637B2Die for forming honeycomb structure and manufacturing method thereforNGK INSULATORS LTD·Filed 2014·Granted Apr 11, 2017·4 cites·15 claims
- 0484US6752601B2MicropumpNGK INSULATORS LTD·Filed 2001·Granted Jun 22, 2004·22 cites·13 claims
- 0583US7677708B2Discharge deviceNGK INSULATORS LTD·Filed 2007·Granted Mar 16, 2010·7 cites·11 claims
- 0683US6894888B2Multilayer board having precise perforations and circuit substrate having precise through-holesNGK INSULATORS LTD·Filed 2004·Granted May 17, 2005·17 cites·20 claims
- 0783US6408728B1Punching apparatus for stamping and method for producing the sameNGK INSULATORS LTD·Filed 1999·Granted Jun 25, 2002·50 cites·4 claims
- 0880US7246420B2Method for manufacturing a comb teeth type piezoelectric actuatorNGK INSULATORS LTD·Filed 2005·Granted Jul 24, 2007·5 cites·1 claims
- 0979US6502302B2Process for producing an industrial member having throughholes of high aspect ratioNGK INSULATORS LTD·Filed 2001·Granted Jan 7, 2003·15 cites·7 claims
- 1078US7701319B2Inductor element and method of manufacturing the sameNGK INSULATORS LTD·Filed 2007·Granted Apr 20, 2010·7 cites·9 claims
- 1176US6637102B2Process for producing an industrial member having throughholes of high aspect ratioNGK INSULATORS LTD·Filed 2001·Granted Oct 28, 2003·12 cites·13 claims
- 1273US6606926B1Method for punching brittle material and punching die to be used thereforNGK INSULATORS LTD·Filed 2000·Granted Aug 19, 2003·17 cites·6 claims
- 1369US7355327B2Laminated piezoelectric/electrostrictive elementNGK INSULATORS LTD·Filed 2006·Granted Apr 8, 2008·4 cites·10 claims
- 1468US9935257B2Production method for composite substrateNGK INSULATORS LTD·Filed 2017·Granted Apr 3, 2018·1 cites·8 claims
- 1568US6915828B2Punch die for punching and laminating simultaneouslyNGK INSULATORS LTD·Filed 2002·Granted Jul 12, 2005·7 cites·9 claims
- 1667US6943483B2Comb teeth type piezoelectric actuator and method for manufacturing the sameNGK INSULATORS LTD·Filed 2003·Granted Sep 13, 2005·9 cites·4 claims
- 1767US5836226AApparatus for progressively feeding and machining sheet materialNGK INSULATORS LTD·Filed 1996·Granted Nov 17, 1998·22 cites·21 claims
- 1864US6988301B2Method for manufacturing a matrix type actuatorNGK INSULATORS LTD·Filed 2004·Granted Jan 24, 2006·8 cites·3 claims
- 1962US6507682B2Optical switchNGK INSULATORS LTD·Filed 2001·Granted Jan 14, 2003·6 cites·3 claims
- 2061US6647169B2Optical switchNGK INSULATORS LTD·Filed 2002·Granted Nov 11, 2003·6 cites·1 claims
- 2160US5857397ASheet machining apparatusNGK INSULATORS LTD·Filed 1996·Granted Jan 12, 1999·20 cites·4 claims
- 2259US7082940B2Wire sawing apparatus and wire sawing methodNGK INSULATORS LTD·Filed 2004·Granted Aug 1, 2006·6 cites·8 claims
- 2357US7374628B2Method for manufacturing a cell-driving-type micro pump memberNGK INSULATORS LTD·Filed 2004·Granted May 20, 2008·5 cites·2 claims
- 2457US2022294085A1Coin-type secondary batteryNGK INSULATORS LTD·Filed 2022·Application pending·0 cites
- 2556US7997888B2Die for forming honeycomb structure and manufacturing method of die for forming honeycomb structureNGK INSULATORS LTD·Filed 2009·Granted Aug 16, 2011·1 cites·8 claims
- 2653US6699018B2Cell driving type micropump member and method for manufacturing the sameNGK INSULATORS LTD·Filed 2001·Granted Mar 2, 2004·4 cites·16 claims
- 2751US8178815B2Molding die machining electrode, fabricating method of molding die, and molding dieKITAMURA KAZUMASA·Filed 2008·Granted May 15, 2012·0 cites·6 claims
- 2851US2015086670A1Die for forming honeycomb structure and manufacturing method thereforNGK INSULATORS LTD·Filed 2014·Application pending·0 cites
- 2950US12304030B2Method of manufacturing ground product and cup grinding stoneNGK INSULATORS LTD·Filed 2019·Granted May 20, 2025·0 cites·4 claims
- 3049US6813829B2Method for removing punched fragments and a method for producing an article by punchingNGK INSULATORS LTD·Filed 2002·Granted Nov 9, 2004·2 cites·18 claims
- 3148US2007227329A1Method of manufacturing industrial component having through holes with high aspect ratioNGK INSULATORS LTD·Filed 2007·Application pending·0 cites
- 3247US7402936B2Piezoelectric/electrostrictive deviceNGK INSULATORS LTD·Filed 2007·Granted Jul 22, 2008·0 cites·3 claims
- 3347US7122091B2Structure of retaining cut-processed components, method of fabricating cut-processed components, tray for housing cut-processed components, and method of cleaning cut-processed componentsNGK INSULATORS LTD·Filed 2003·Granted Oct 17, 2006·1 cites·2 claims
- 3447US2006289042A1Cleaning toolNGK INSULATORS LTD·Filed 2006·Application pending·0 cites
- 3547US2002129677A1Punching apparatus for stamping and method for producing the sameNGK INSULATORS LTD·Filed 2002·Application pending·0 cites
- 3646US2008120821A1Piezoelectric/electrostrictive deviceNGK INSULATORS LTD·Filed 2007·Application pending·0 cites
- 3746US2006263552A1Tray for heat treatment and method of manufacturing ceramic product using the trayNGK INSULATORS LTD·Filed 2006·Application pending·0 cites
- 3845US9947428B2Atomic beam sourceNGK INSULATORS LTD·Filed 2017·Granted Apr 17, 2018·0 cites·10 claims
- 3945US7169020B2Grinding jig set and grinding methodNGK INSULATORS LTD·Filed 2005·Granted Jan 30, 2007·0 cites·17 claims
- 4045US2005241127A1Method for manufacturing a cell driving type actuatorNGK INSULATORS LTD·Filed 2005·Application pending·0 cites
- 4142US6933663B2Cell driving type actuator and method for manufacturing the sameNGK INSULATORS LTD·Filed 2002·Granted Aug 23, 2005·0 cites·12 claims
- 4242US2003056980A1Multilayer board having precise perforations and circuit substrate having precise through-holesNGK INSULATORS LTD·Filed 2002·Application pending·0 cites
- 4339US2002140318A1Matrix type actuatorNGK INSULATORS LTD·Filed 2001·Application pending·0 cites
- 4438US7025444B2Multislit type actuator, inkjet head and method for manufacturing multislit type actuatorNGK INSULATORS LTD·Filed 2003·Granted Apr 11, 2006·0 cites·19 claims
- 4538US2004202554A1Micro pumpNGK INSULATORS LTD·Filed 2004·Application pending·0 cites
- 4634US7510461B2Grinding jig set and grinding methodNGK INSULATORS LTD·Filed 2006·Granted Mar 31, 2009·0 cites·5 claims
- 4734US2012179858A1Memory deviceMIYASHITA TOSHIYUKI·Filed 2011·Application pending·0 cites
- 4833US2015266155A1Method for producing polished-articleNGK INSULATORS LTD·Filed 2015·Application pending·0 cites
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