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Takenori Kajiwara
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Mask blank, phase shift mask, and method for manufacturing semicond...
Patent number
10,942,441
Issue date
Mar 9, 2021
Hoya Corporation
Osamu Nozawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Mask blank, phase shift mask, phase shift mask manufacturing method...
Patent number
10,935,881
Issue date
Mar 2, 2021
Hoya Corporation
Takenori Kajiwara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Mask blank, phase shift mask, and method for manufacturing semicond...
Patent number
10,606,164
Issue date
Mar 31, 2020
Hoya Corporation
Osamu Nozawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Mask blank, phase shift mask, method for manufacturing phase shift...
Patent number
10,551,734
Issue date
Feb 4, 2020
Hoya Corporation
Hiroaki Shishido
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Mask blank, phase shift mask, and method for manufacturing semicond...
Patent number
10,481,486
Issue date
Nov 19, 2019
Hoya Corporation
Osamu Nozawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Mask blank, phase shift mask, method for manufacturing phase shift...
Patent number
10,146,123
Issue date
Dec 4, 2018
Hoya Corporation
Hiroaki Shishido
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Mask blank, phase shift mask, and method for manufacturing semicond...
Patent number
10,114,281
Issue date
Oct 30, 2018
Hoya Corporation
Osamu Nozawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Magnetic disk and method for manufacturing same
Patent number
8,877,359
Issue date
Nov 4, 2014
WD Media (Singapore) Pte. Ltd.
Chiyo Saito
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
MASK BLANK, PHASE SHIFT MASK, AND METHOD FOR MANUFACTURING SEMICOND...
Publication number
20200033718
Publication date
Jan 30, 2020
HOYA CORPORATION
Osamu NOZAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
MASK BLANK, PHASE SHIFT MASK, METHOD FOR MANUFACTURING PHASE SHIFT...
Publication number
20190064651
Publication date
Feb 28, 2019
HOYA CORPORATION
Hiroaki SHISHIDO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MASK BLANK, PHASE SHIFT MASK, AND METHOD FOR MANUFACTURING SEMICOND...
Publication number
20190018312
Publication date
Jan 17, 2019
HOYA CORPORATION
Osamu NOZAWA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MASK BLANK, PHASE SHIFT MASK, PHASE SHIFT MASK MANUFACTURING METHOD...
Publication number
20180210331
Publication date
Jul 26, 2018
HOYA CORPORATION
Takenori KAJIWARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MASK BLANK, PHASE SHIFT MASK, AND METHOD FOR MANUFACTURING SEMICOND...
Publication number
20180149961
Publication date
May 31, 2018
HOYA CORPORATION
Osamu NOZAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
MASK BLANK, PHASE SHIFT MASK, AND METHOD FOR MANUFACTURING SEMICOND...
Publication number
20180143528
Publication date
May 24, 2018
HOYA CORPORATION
Osamu NOZAWA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MASK BLANK, PHASE SHIFT MASK, METHOD FOR MANUFACTURING PHASE SHIFT...
Publication number
20170285458
Publication date
Oct 5, 2017
HOYA CORPORATION
Hiroaki SHISHIDO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MAGNETIC DISK AND METHOD FOR MANUFACTURING SAME
Publication number
20150027877
Publication date
Jan 29, 2015
CHIYO SAITO
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK AND METHOD FOR MANUFACTURING SAME
Publication number
20110311841
Publication date
Dec 22, 2011
WD MEDIA (SINGAPORE) PTE. LTD.
Chiyo Saito
G11 - INFORMATION STORAGE