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Noboru Ebizuka
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Grism
Patent number
6,927,914
Issue date
Aug 9, 2005
Riken
Noboru Ebizuka
G01 - MEASURING TESTING
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Patent Grant
Apparatus and method for processing micro-V grooves
Patent number
6,478,661
Issue date
Nov 12, 2002
Riken
Hitoshi Ohmori
B24 - GRINDING POLISHING
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Patent Grant
Grism
Patent number
6,469,846
Issue date
Oct 22, 2002
Riken
Noboru Ebizuka
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
GLASS DIFFRACTION GRATING AND METHOD OF PRODUCING THE SAME
Publication number
20240004111
Publication date
Jan 4, 2024
Nalux Co., Ltd.
Minoru SASAKI
G02 - OPTICS
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Patent Application
Grism
Publication number
20040070853
Publication date
Apr 15, 2004
Noboru Ebizuka
G02 - OPTICS
Information
Patent Application
Grism
Publication number
20020008921
Publication date
Jan 24, 2002
Noboru Ebizuka
G02 - OPTICS
Information
Patent Application
Apparatus and method for processing micro-V grooves
Publication number
20010021629
Publication date
Sep 13, 2001
Hitoshi Ohmori
B24 - GRINDING POLISHING