Yoshinori Marumo

Person

Shinjuku-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Glass substrate for a magnetic disk and magnetic disk
- Patent number 9,085,486
- Issue date Jul 21, 2015
- Hoya Corporation
- Shinji Eda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for producing glass substrate for magnetic disk and method f...
- Patent number 9,038,417
- Issue date May 26, 2015
- Hoya Corporation
- Toshio Takizawa
- B24 - GRINDING POLISHING
Information Patent Grant
Glass substrate for a magnetic disk and magnetic disk
- Patent number 8,785,010
- Issue date Jul 22, 2014
- Hoya Corporation
- Shinji Eda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for producing glass substrate for magnetic disk and method f...
- Patent number 8,763,428
- Issue date Jul 1, 2014
- Hoya Corporation
- Toshio Takizawa
- B24 - GRINDING POLISHING
Information Patent Grant
Method of manufacturing a glass substrate for magnetic disk
- Patent number 8,127,433
- Issue date Mar 6, 2012
- Hoya Corporation
- Yoshinori Marumo
- B08 - CLEANING
Information Patent Grant
Method of manufacturing glass substrate for magnetic disk
- Patent number 7,661,188
- Issue date Feb 16, 2010
- Hoya Corporation
- Yoshinori Marumo
- G11 - INFORMATION STORAGE
Information Patent Grant
Manufacturing method of glass substrate for magnetic disk, and manu...
- Patent number 7,314,575
- Issue date Jan 1, 2008
- Hoya Corporation
- Yoshinori Marumo
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
GLASS SUBSTRATE FOR A MAGNETIC DISK AND MAGNETIC DISK
- Publication number 20140287269
- Publication date Sep 25, 2014
- HOYA CORPORATION
- Shinji EDA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD FOR PRODUCING GLASS SUBSTRATE FOR MAGNETIC DISK AND METHOD F...
- Publication number 20140248424
- Publication date Sep 4, 2014
- HOYA CORPORATION
- Toshio Takizawa
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS SUBSTRATE FOR A MAGNETIC DISK AND MAGNETIC DISK
- Publication number 20110171415
- Publication date Jul 14, 2011
- HOYA CORPORATION
- Shinji Eda
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF MANUFACTURING A GLASS SUBSTRATE FOR MAGNETIC DISK
- Publication number 20100104743
- Publication date Apr 29, 2010
- HOYA CORPORATION
- Yoshinori Marumo
- B08 - CLEANING
Information Patent Application
Method For Producing Glass Substrate For Magnetic Disk And Method F...
- Publication number 20090158775
- Publication date Jun 25, 2009
- HOYA CORPORATION
- Toshio Takizawa
- B24 - GRINDING POLISHING
Information Patent Application
Method of manufacturing glass substrate for magnetic disk
- Publication number 20060266732
- Publication date Nov 30, 2006
- Hoya Corporation
- Yoshinori Marumo
- B08 - CLEANING
Information Patent Application
Manufacturing method of glass substrate for magnetic disk, and manu...
- Publication number 20060070980
- Publication date Apr 6, 2006
- Hoya Corporation
- Yoshinori Marumo
- G11 - INFORMATION STORAGE

Yoshinori Marumo

Person

Patents Grantslast 30 patents

Glass substrate for a magnetic disk and magnetic disk

Method for producing glass substrate for magnetic disk and method f...

Glass substrate for a magnetic disk and magnetic disk

Method for producing glass substrate for magnetic disk and method f...

Method of manufacturing a glass substrate for magnetic disk

Method of manufacturing glass substrate for magnetic disk

Manufacturing method of glass substrate for magnetic disk, and manu...

Patents Applicationslast 30 patents

GLASS SUBSTRATE FOR A MAGNETIC DISK AND MAGNETIC DISK

METHOD FOR PRODUCING GLASS SUBSTRATE FOR MAGNETIC DISK AND METHOD F...

GLASS SUBSTRATE FOR A MAGNETIC DISK AND MAGNETIC DISK

METHOD OF MANUFACTURING A GLASS SUBSTRATE FOR MAGNETIC DISK

Method For Producing Glass Substrate For Magnetic Disk And Method F...

Method of manufacturing glass substrate for magnetic disk

Manufacturing method of glass substrate for magnetic disk, and manu...