Inventor
USAMI MAMORU
JP29 patents
⚠️ This page may combine multiple inventors who share the name “USAMI MAMORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
27 patentsUS5325351AJun 28, 1994
Optical recording medium having a reflective layer made of Cu-Ag or Cu-Au alloy
TDK CORP81 citations96
US5415914AMay 16, 1995
Optical recording disk
TDK CORP78 citations95
US7044726B2May 16, 2006
Mold component and mold assembly
TDK CORP16 citations82
US7193956B2Mar 20, 2007
Electron beam irradiation apparatus, electron beam irradiation method, and apparatus for and method of manufacturing disc-shaped object
TDK CORP7 citations73
US6924019B2Aug 2, 2005
Optical recording medium and production method therefor
TDK CORP9 citations73
US6844045B2Jan 18, 2005
Method for making optical information medium and optical information medium
TDK CORP8 citations73
US5313452AMay 17, 1994
Optical recording disk
TDK CORP12 citations73
US4739345AApr 19, 1988
Optical recording disk
TDK CORP18 citations73
US6984433B2Jan 10, 2006
Optical recording medium and method of producing the same
TDK CORP7 citations72
US7270527B2Sep 18, 2007
Optical recording medium-manufacturing apparatus
TDK CORP8 citations71
US7047859B2May 23, 2006
Optical recording medium-manufacturing apparatus
TDK CORP8 citations71
US6977107B1Dec 20, 2005
Optical recording medium and method for making the same
TDK CORP9 citations70
US7458088B2Nov 25, 2008
Intermediate for optical recording medium and method of manufacturing the optical recording medium
TDK CORP5 citations62
US7205558B2Apr 17, 2007
Electron beam irradiation apparatus, electron beam irradiation method, and apparatus for and method of manufacturing disc-shaped object
TDK CORP6 citations62
US7193960B2Mar 20, 2007
Method of manufacturing optical recording medium and optical recording medium
TDK CORP2 citations62
US6835434B2Dec 28, 2004
Method for manufacturing disc-shaped optical recording medium and disc-shaped substrate for optical recording medium
TDK CORP2 citations62
US7348555B2Mar 25, 2008
Apparatus and method for irradiating electron beam
TDK CORP3 citations61
US7282726B2Oct 16, 2007
Apparatus and method for irradiating electron beam
TDK CORP4 citations61
US7138165B2Nov 21, 2006
Intermediate for optical recording medium, mold, molding apparatus, and method of manufacturing optical recording medium
TDK CORP2 citations61
US7096770B2Aug 29, 2006
Optical recording medium-manufacturing apparatus
TDK CORP6 citations60
US7625506B2Dec 1, 2009
Optical recording medium producing method, and optical recording medium producing device
TDK CORP0 citations51
US7368156B2May 6, 2008
Method for manufacturing discoid optical record medium and discoid optical record medium
TDK CORP1 citations51
US7205038B2Apr 17, 2007
Optical recording medium and method for manufacturing the same
TDK CORP1 citations50
US7052759B2May 30, 2006
Optical recording medium
TDK CORP1 citations50
US7680018B2Mar 16, 2010
Optical recording medium, and manufacturing method and manufacturing device thereof
TDK CORP0 citations41
US7563402B2Jul 21, 2009
Apparatus for and method of manufacturing an optical disc
TDK CORP0 citations40
US7989099B2Aug 2, 2011
Information medium substrate and information medium
TDK CORP0 citations34