Inventor
KURAMOTO KEIICHI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “KURAMOTO KEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANYO ELECTRIC CO
36 patentsUS7825911B2Nov 2, 2010
Touch sensor, touch pad and input device
SANYO ELECTRIC CO114 citations97
US6299425B1Oct 9, 2001
Member having sliding contact surface, compressor and rotary compressor
SANYO ELECTRIC CO67 citations96
US6066399AMay 23, 2000
Hard carbon thin film and method of forming the same
SANYO ELECTRIC CO83 citations96
US5629086AMay 13, 1997
Hard-carbon-film-coated substrate and apparatus for forming the same
SANYO ELECTRIC CO37 citations96
US5428961AJul 4, 1995
Micromachines
SANYO ELECTRIC CO61 citations96
US6893581B2May 17, 2005
Composite magnetic material and a method for producing the same
SANYO ELECTRIC CO20 citations93
US7457507B2Nov 25, 2008
Organometallic polymer material
SANYO ELECTRIC CO21 citations92
US7166661B2Jan 23, 2007
Organic-inorganic composite material and laminate, optical waveguide and light transmission structure comprising the same
SANYO ELECTRIC CO23 citations92
US6572936B1Jun 3, 2003
Hard carbon film-coated substrate and method for fabricating the same
SANYO ELECTRIC CO17 citations92
US6528115B1Mar 4, 2003
Hard carbon thin film and method of forming the same
SANYO ELECTRIC CO26 citations92
US6354008B1Mar 12, 2002
Sliding member, inner and outer blades of an electric shaver and film-forming method
SANYO ELECTRIC CO28 citations92
US6071103AJun 6, 2000
Member having sliding contact surface, compressor and rotary compressor
SANYO ELECTRIC CO18 citations92
US6022622AFeb 8, 2000
Hard carbon film-coated substrate and method for fabricating the same
SANYO ELECTRIC CO33 citations92
US5920143AJul 6, 1999
Surface acoustic wave device
SANYO ELECTRIC CO26 citations92
US5901021AMay 4, 1999
Thin-film magnetic head
SANYO ELECTRIC CO36 citations92
US5864452AJan 26, 1999
Thin-film magnetic head and method of forming carbon film
SANYO ELECTRIC CO33 citations92
US5695832ADec 9, 1997
Method of forming a hard-carbon-film-coated substrate
SANYO ELECTRIC CO24 citations92
US5691010ANov 25, 1997
Arc discharge plasma CVD method for forming diamond-like carbon films
SANYO ELECTRIC CO21 citations92
US5626963AMay 6, 1997
Hard-carbon-film-coated substrate and apparatus for forming the same
SANYO ELECTRIC CO28 citations92
US7181121B2Feb 20, 2007
Optical device and method for manufacturing the same
SANYO ELECTRIC CO10 citations84
US7599133B2Oct 6, 2009
Optical part for camera and method of fabricating the same
SANYO ELECTRIC CO7 citations74
US5986857ANov 16, 1999
Thin film magnetic head including adhesion enhancing interlayers, and upper and lower gap insulative layers having different hydrogen contents and internal stress states
SANYO ELECTRIC CO16 citations74
US5458928AOct 17, 1995
Method of forming metal material film with controlled color characteristic
SANYO ELECTRIC CO17 citations74
US6723770B2Apr 20, 2004
Method of producing organic-inorganic composite material and organic-inorganic composite material
SANYO ELECTRIC CO9 citations73
US7887910B2Feb 15, 2011
Laminated optical element
SANYO ELECTRIC CO6 citations63
US7582358B2Sep 1, 2009
Organic-inorganic composite forming material, organic-inorganic composite, production method thereof and optical element
SANYO ELECTRIC CO2 citations63
US7529044B2May 5, 2009
Optical element, optical system and methods of manufacturing the same as well as optical equipment
SANYO ELECTRIC CO3 citations63
US7521725B2Apr 21, 2009
Optical waveguide and the method of fabricating the same
SANYO ELECTRIC CO2 citations63
US7483616B2Jan 27, 2009
Optical waveguide
SANYO ELECTRIC CO2 citations63
US7396873B2Jul 8, 2008
Organometallic polymer material and process for preparing the same
SANYO ELECTRIC CO3 citations63
US7163667B2Jan 16, 2007
Production process for oxide magnetic material and oxide magnetic material
SANYO ELECTRIC CO4 citations63
US7116868B2Oct 3, 2006
Optical branch device and optical coupler module
SANYO ELECTRIC CO3 citations63
US7901784B2Mar 8, 2011
Optical waveguide, optical transmitter and receiver module, and laminated structure
SANYO ELECTRIC CO2 citations62
US7561774B2Jul 14, 2009
Optical waveguide
SANYO ELECTRIC CO2 citations62
US7054070B2May 30, 2006
Gradient-index lens and composite optical element utilizing the same
SANYO ELECTRIC CO5 citations62
US7101489B2Sep 5, 2006
Composite magnetic material and a method for producing the same
SANYO ELECTRIC CO0 citations52