Inventor
MITSUHASHI MASASHIGE
JP14 patents
⚠️ This page may combine multiple inventors who share the name “MITSUHASHI MASASHIGE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
12 patentsUS5727989AMar 17, 1998
Method and apparatus for providing a workpiece with a convex tip
NEC CORP52 citations96
US6530827B2Mar 11, 2003
Apparatus for polishing wafer and method of doing the same
NEC CORP20 citations92
US6179689B1Jan 30, 2001
Spherical mirror surface processing method and device
NEC CORP37 citations92
US6093088AJul 25, 2000
Surface polishing machine
NEC CORP30 citations92
US6039635AMar 21, 2000
Surface polishing apparatus including a dresser
NEC CORP21 citations92
US5683290ANov 4, 1997
Apparatus for forming a convex tip on a workpiece
NEC CORP28 citations92
US5584749ADec 17, 1996
Surface polishing apparatus
NEC CORP40 citations92
US5833520ANov 10, 1998
Mirror polishing device
NEC CORP22 citations88
US5738576AApr 14, 1998
Lapping tape with abrasive liquid for forming a convex tip on a workpiece
NEC CORP14 citations74
US6862381B2Mar 1, 2005
Cross-connect optical switch
NEC CORP9 citations73
US6120359ASep 19, 2000
Apparatus and method for forming spherical end surface of coaxial composite member
NEC CORP12 citations73
US5721798AFeb 24, 1998
Connection structure for an optical waveguide device and method of fabricating the same
NEC CORP15 citations73