Inventor
KITAMURA KAZUMASA
JP35 patents
⚠️ This page may combine multiple inventors who share the name “KITAMURA KAZUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK INSULATORS LTD
33 patentsUS6864620B2Mar 8, 2005
Matrix type actuator
NGK INSULATORS LTD36 citations93
US6752601B2Jun 22, 2004
Micropump
NGK INSULATORS LTD22 citations93
US5857397AJan 12, 1999
Sheet machining apparatus
NGK INSULATORS LTD20 citations92
US5836226ANov 17, 1998
Apparatus for progressively feeding and machining sheet material
NGK INSULATORS LTD22 citations92
US6408728B1Jun 25, 2002
Punching apparatus for stamping and method for producing the same
NGK INSULATORS LTD50 citations90
US6894888B2May 17, 2005
Multilayer board having precise perforations and circuit substrate having precise through-holes
NGK INSULATORS LTD17 citations84
US6606926B1Aug 19, 2003
Method for punching brittle material and punching die to be used therefor
NGK INSULATORS LTD17 citations84
US6502302B2Jan 7, 2003
Process for producing an industrial member having throughholes of high aspect ratio
NGK INSULATORS LTD15 citations84
US7701319B2Apr 20, 2010
Inductor element and method of manufacturing the same
NGK INSULATORS LTD7 citations74
US7677708B2Mar 16, 2010
Discharge device
NGK INSULATORS LTD7 citations74
US6988301B2Jan 24, 2006
Method for manufacturing a matrix type actuator
NGK INSULATORS LTD8 citations74
US6943483B2Sep 13, 2005
Comb teeth type piezoelectric actuator and method for manufacturing the same
NGK INSULATORS LTD9 citations74
US6647169B2Nov 11, 2003
Optical switch
NGK INSULATORS LTD6 citations74
US6637102B2Oct 28, 2003
Process for producing an industrial member having throughholes of high aspect ratio
NGK INSULATORS LTD12 citations74
US6507682B2Jan 14, 2003
Optical switch
NGK INSULATORS LTD6 citations74
US9616637B2Apr 11, 2017
Die for forming honeycomb structure and manufacturing method therefor
NGK INSULATORS LTD4 citations72
US6915828B2Jul 12, 2005
Punch die for punching and laminating simultaneously
NGK INSULATORS LTD7 citations71
US7374628B2May 20, 2008
Method for manufacturing a cell-driving-type micro pump member
NGK INSULATORS LTD5 citations63
US7355327B2Apr 8, 2008
Laminated piezoelectric/electrostrictive element
NGK INSULATORS LTD4 citations63
US7246420B2Jul 24, 2007
Method for manufacturing a comb teeth type piezoelectric actuator
NGK INSULATORS LTD5 citations63
US7082940B2Aug 1, 2006
Wire sawing apparatus and wire sawing method
NGK INSULATORS LTD6 citations63
US6813829B2Nov 9, 2004
Method for removing punched fragments and a method for producing an article by punching
NGK INSULATORS LTD2 citations63
US6699018B2Mar 2, 2004
Cell driving type micropump member and method for manufacturing the same
NGK INSULATORS LTD4 citations63
US9947428B2Apr 17, 2018
Atomic beam source
NGK INSULATORS LTD0 citations52
US7122091B2Oct 17, 2006
Structure of retaining cut-processed components, method of fabricating cut-processed components, tray for housing cut-processed components, and method of cleaning cut-processed components
NGK INSULATORS LTD1 citations52
US7025444B2Apr 11, 2006
Multislit type actuator, inkjet head and method for manufacturing multislit type actuator
NGK INSULATORS LTD0 citations52
US6933663B2Aug 23, 2005
Cell driving type actuator and method for manufacturing the same
NGK INSULATORS LTD0 citations52
US9935257B2Apr 3, 2018
Production method for composite substrate
NGK INSULATORS LTD1 citations51
US7997888B2Aug 16, 2011
Die for forming honeycomb structure and manufacturing method of die for forming honeycomb structure
NGK INSULATORS LTD1 citations51
US12304030B2May 20, 2025
Method of manufacturing ground product and cup grinding stone
NGK INSULATORS LTD0 citations50
US7510461B2Mar 31, 2009
Grinding jig set and grinding method
NGK INSULATORS LTD0 citations49
US7169020B2Jan 30, 2007
Grinding jig set and grinding method
NGK INSULATORS LTD0 citations49
US7402936B2Jul 22, 2008
Piezoelectric/electrostrictive device
NGK INSULATORS LTD0 citations39