Inventor
NAKAYAMA MASAHIRO
JP30 patents
⚠️ This page may combine multiple inventors who share the name “NAKAYAMA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
12 patentsUS7786488B2Aug 31, 2010
Nitride semiconductor wafer and method of processing nitride semiconductor wafer
SUMITOMO ELECTRIC INDUSTRIES12 citations92
US7195545B2Mar 27, 2007
Chamfered freestanding nitride semiconductor wafer and method of chamfering nitride semiconductor wafer
SUMITOMO ELECTRIC INDUSTRIES11 citations92
US6909165B2Jun 21, 2005
Obverse/reverse discriminative rectangular nitride semiconductor wafer
SUMITOMO ELECTRIC INDUSTRIES18 citations92
US6875082B2Apr 5, 2005
Nitride semiconductor wafer and method of processing nitride semiconductor wafer
SUMITOMO ELECTRIC INDUSTRIES32 citations92
US7749325B2Jul 6, 2010
Method of producing gallium nitride (GaN) independent substrate, method of producing GaN crystal body, and method of producing GaN substrate
SUMITOMO ELECTRIC INDUSTRIES12 citations84
US7535082B2May 19, 2009
Nitride semiconductor wafer and method of processing nitride semiconductor wafer
SUMITOMO ELECTRIC INDUSTRIES11 citations84
US7550780B2Jun 23, 2009
Chamfered freestanding nitride semiconductor wafer and method of chamfering nitride semiconductor wafer
SUMITOMO ELECTRIC INDUSTRIES9 citations83
US7154131B2Dec 26, 2006
Nitride semiconductor substrate and method of producing same
SUMITOMO ELECTRIC INDUSTRIES12 citations83
US8008165B2Aug 30, 2011
Nitride semiconductor wafer and method of processing nitride semiconductor wafer
SUMITOMO ELECTRIC INDUSTRIES6 citations74
US8022438B2Sep 20, 2011
Chamfered freestanding nitride semiconductor wafer and method of chamfering nitride semiconductor wafer
SUMITOMO ELECTRIC INDUSTRIES2 citations62
US7387678B2Jun 17, 2008
GaN substrate and method of fabricating the same, nitride semiconductor device and method of fabricating the same
SUMITOMO ELECTRIC INDUSTRIES3 citations62
US7390747B2Jun 24, 2008
Nitride semiconductor substrate and method of producing same
SUMITOMO ELECTRIC INDUSTRIES0 citations51
HITACHI LTD
4 patentsUS5315447AMay 24, 1994
Disk control method of format write operation using data distance on a track
HITACHI LTD31 citations89
US4814904AMar 21, 1989
Method of controlling erasing following format writing in a magnetic disc apparatus
HITACHI LTD11 citations69
US4805048AFeb 14, 1989
Method for controlling to keep off defects on magnetic disks
HITACHI LTD6 citations63
US5315451AMay 24, 1994
Rotating storage track format emulation
HITACHI LTD0 citations51
RICOH KK
3 patentsUS7313349B2Dec 25, 2007
Toner container and image forming apparatus
RICOH KK67 citations98
US7505718B2Mar 17, 2009
Container, toner container, image forming apparatus, and image forming process
RICOH KK17 citations92
US7149462B2Dec 12, 2006
Container, toner container, image forming apparatus, and image forming process
RICOH KK16 citations92