Inventor
FUSE KEIJI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “FUSE KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
12 patentsUS5690845ANov 25, 1997
Optical device for laser machining
SUMITOMO ELECTRIC INDUSTRIES103 citations97
US6452132B1Sep 17, 2002
Laser hole boring apparatus
SUMITOMO ELECTRIC INDUSTRIES51 citations92
US6324015B1Nov 27, 2001
fθ lens
SUMITOMO ELECTRIC INDUSTRIES33 citations92
US7773315B2Aug 10, 2010
Laser optical device
SUMITOMO ELECTRIC INDUSTRIES8 citations83
US6567226B2May 20, 2003
Method for designing a refractive or reflective optical system and method for designing a diffraction optical element
SUMITOMO ELECTRIC INDUSTRIES19 citations83
US5889626AMar 30, 1999
Method and device for focusing laser beam
SUMITOMO ELECTRIC INDUSTRIES14 citations69
US7807942B2Oct 5, 2010
Laser processing method and laser processing apparatus
SUMITOMO ELECTRIC INDUSTRIES6 citations62
US7440188B2Oct 21, 2008
Diffractive optical element
SUMITOMO ELECTRIC INDUSTRIES4 citations62
US7193791B2Mar 20, 2007
Tilt error reducing aspherical single lens homogenizer
SUMITOMO ELECTRIC INDUSTRIES5 citations62
US6775066B2Aug 10, 2004
Diffractive optical element
SUMITOMO ELECTRIC INDUSTRIES5 citations60
US7907341B2Mar 15, 2011
Laser processing method and laser processing apparatus
SUMITOMO ELECTRIC INDUSTRIES1 citations52
US6937327B2Aug 30, 2005
Apparatus and method of measuring optical properties of diffractive optical element
SUMITOMO ELECTRIC INDUSTRIES1 citations51