Katsushi HAMAKUBO

Person

Shinjuku-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Coating composition, eyeglass lens, and method for manufacturing ey...
- Patent number 11,814,493
- Issue date Nov 14, 2023
- HOYA LENS THAILAND LTD.
- Takako Ishizaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Coating composition
- Patent number 10,072,155
- Issue date Sep 11, 2018
- Hoya Corporation
- Katsushi Hamakubo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Magnetic disk and manufacturing method thereof
- Patent number 9,984,715
- Issue date May 29, 2018
- WD Media, LLC
- Koichi Shimokawa
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Coating composition
- Patent number 9,873,799
- Issue date Jan 23, 2018
- Hoya Corporation
- Katsushi Hamakubo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Coating composition
- Patent number 9,783,683
- Issue date Oct 10, 2017
- Hoya Corporation
- Katsushi Hamakubo
- G02 - OPTICS
Information Patent Grant
Lubricant compound for magnetic disk and magnetic disk
- Patent number 9,558,778
- Issue date Jan 31, 2017
- WD Media (Singapore) Pte. Ltd.
- Kota Suzuki
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Plastic lens and production method therefor
- Patent number 9,500,774
- Issue date Nov 22, 2016
- Hoya Corporation
- Katsushi Hamakubo
- G02 - OPTICS
Information Patent Grant
Polarizing lens
- Patent number 9,322,968
- Issue date Apr 26, 2016
- Hoya Corporation
- Eiichi Yajima
- G02 - OPTICS
Information Patent Grant
Magnetic disk and method of manufacturing the same
- Patent number 9,245,568
- Issue date Jan 26, 2016
- WD Media (Singapore) Pte. Ltd.
- Kae Itoh
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Magnetic disk and manufacturing method thereof
- Patent number 9,177,586
- Issue date Nov 3, 2015
- WD Media (Singapore), LLC
- Koichi Shimokawa
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Magnetic disk and method of manufacturing the same
- Patent number 9,005,782
- Issue date Apr 14, 2015
- WD Media, LLC
- Katsushi Hamakubo
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Lubricant for magnetic disk and magnetic disk
- Patent number 8,999,534
- Issue date Apr 7, 2015
- WD Media (Singapore) Pte. Ltd.
- Koichi Shimokawa
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method of producing a magnetic recording disc
- Patent number 8,920,872
- Issue date Dec 30, 2014
- WD Media (Singapore) Pte. Ltd.
- Kae Itoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic disk
- Patent number 8,846,137
- Issue date Sep 30, 2014
- WD Media (Singapore) Pte. Ltd.
- Koichi Shimokawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Lubricant for magnetic disc, magnetic disc and method of producing...
- Patent number 8,697,262
- Issue date Apr 15, 2014
- WD Media (Singapore) Pte. Ltd.
- Katsushi Hamakubo
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Lubricant compound for a magnetic disk, magnetic disk, and method o...
- Patent number 8,492,011
- Issue date Jul 23, 2013
- WD Media (Singapore) Pte, Ltd
- Kae Itoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Lubricant for magnetic disk, process for producing the same, and ma...
- Patent number 8,178,480
- Issue date May 15, 2012
- WD Media (Singapore) Pte. Ltd.
- Katsushi Hamakubo
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
COATING COMPOSITION, EYEGLASS LENS, AND METHOD FOR MANUFACTURING EY...
- Publication number 20200017708
- Publication date Jan 16, 2020
- Hoya Lens Thailand Ltd.
- Takako ISHIZAKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COATING COMPOSITION, EYEGLASS LENS, AND METHOD FOR MANUFACTURING EY...
- Publication number 20190112498
- Publication date Apr 18, 2019
- Hoya Lens Thailand Ltd.
- Katsushi HAMAKUBO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MAGNETIC DISK AND MANUFACTURING METHOD THEREOF
- Publication number 20180268853
- Publication date Sep 20, 2018
- WD Media, LLC
- KOICHI SHIMOKAWA
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
SPECTACLE LENS
- Publication number 20170176646
- Publication date Jun 22, 2017
- HOYA LENS THAILAND LTD.
- Katsushi HAMAKUBO
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
COATING COMPOSITION
- Publication number 20160075882
- Publication date Mar 17, 2016
- HOYA CORPORATION
- Katsushi HAMAKUBO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COATING COMPOSITION
- Publication number 20160068684
- Publication date Mar 10, 2016
- Katsushi HAMAKUBO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
MAGNETIC DISK AND MANUFACTURING METHOD THEREOF
- Publication number 20160055874
- Publication date Feb 25, 2016
- WD MEDIA (SINGAPORE) PTE. LTD.
- Koichi SHIMOKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
COATING COMPOSITION
- Publication number 20160032109
- Publication date Feb 4, 2016
- HOYA CORPORATION
- Katsushi HAMAKUBO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PLASTIC LENS AND PRODUCTION METHOD THEREFOR
- Publication number 20160003979
- Publication date Jan 7, 2016
- Katsushi HAMAKUBO
- G02 - OPTICS
Information Patent Application
POLARIZING LENS
- Publication number 20130194664
- Publication date Aug 1, 2013
- HOYA CORPORATION
- Eiichi YAJIMA
- G02 - OPTICS
Information Patent Application
METHOD OF MANUFACTURING POLARIZING LENS
- Publication number 20130196077
- Publication date Aug 1, 2013
- HOYA CORPORATION
- Eiichi YAJIMA
- G02 - OPTICS
Information Patent Application
LUBRICANT FOR MAGNETIC DISK AND MAGNETIC DISK
- Publication number 20120276417
- Publication date Nov 1, 2012
- WD MEDIA (SINGAPORE) PTE. LTD.
- Koichi Shimokawa
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
METHOD OF PRODUCING A MAGNETIC RECORDING DISC
- Publication number 20120225217
- Publication date Sep 6, 2012
- WD MEDIA (SINGAPORE) PTE. LTD.
- KAE ITOH
- G11 - INFORMATION STORAGE
Information Patent Application
LUBRICANT FOR MAGNETIC DISC, MAGNETIC DISC AND METHOD OF PRODUCING...
- Publication number 20120148875
- Publication date Jun 14, 2012
- WD MEDIA (SINGAPORE) PTE. LTD.
- Katsushi Hamakubo
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
MAGNETIC DISK AND MANUFACTURING METHOD THEREOF
- Publication number 20120127599
- Publication date May 24, 2012
- WD MEDIA (SINGAPORE) PTE. LTD.
- Koichi Shimokawa
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
LUBRICANT COMPOUND FOR MAGNETIC DISK AND MAGNETIC DISK
- Publication number 20120127601
- Publication date May 24, 2012
- WD MEDIA (SINGAPORE) PTE. LTD.
- Kota Suzuki
- C07 - ORGANIC CHEMISTRY
Information Patent Application
MAGNETIC DISK AND METHOD OF MANUFACTURING THE SAME
- Publication number 20110026162
- Publication date Feb 3, 2011
- HOYA CORPORATION
- Katsushi Hamakubo
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
MAGNETIC DISK AND METHOD OF MANUFACTURING THE SAME
- Publication number 20100261039
- Publication date Oct 14, 2010
- HOYA CORPORATION
- Kae Itoh
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
LUBRICANT COMPOUND FOR A MAGNETIC DISK, MAGNETIC DISK, AND METHOD O...
- Publication number 20100246064
- Publication date Sep 30, 2010
- HOYA CORPORATION
- Kae ITOH
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF MANUFACTURING A MAGNETIC DISK
- Publication number 20100209601
- Publication date Aug 19, 2010
- HOYA CORPORATION
- Koichi SHIMOKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
LUBRICANT FOR MAGNETIC DISK, PROCESS FOR PRODUCING THE SAME, AND MA...
- Publication number 20100028721
- Publication date Feb 4, 2010
- HOYA CORPORATION
- Katsushi Hamakubo
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Katsushi HAMAKUBO

Person

Patents Grantslast 30 patents

Coating composition, eyeglass lens, and method for manufacturing ey...

Coating composition

Magnetic disk and manufacturing method thereof

Coating composition

Coating composition

Lubricant compound for magnetic disk and magnetic disk

Plastic lens and production method therefor

Polarizing lens

Magnetic disk and method of manufacturing the same

Magnetic disk and manufacturing method thereof

Magnetic disk and method of manufacturing the same

Lubricant for magnetic disk and magnetic disk

Method of producing a magnetic recording disc

Method of manufacturing a magnetic disk

Lubricant for magnetic disc, magnetic disc and method of producing...

Lubricant compound for a magnetic disk, magnetic disk, and method o...

Lubricant for magnetic disk, process for producing the same, and ma...

Patents Applicationslast 30 patents

COATING COMPOSITION, EYEGLASS LENS, AND METHOD FOR MANUFACTURING EY...

COATING COMPOSITION, EYEGLASS LENS, AND METHOD FOR MANUFACTURING EY...

MAGNETIC DISK AND MANUFACTURING METHOD THEREOF

SPECTACLE LENS

COATING COMPOSITION

COATING COMPOSITION

MAGNETIC DISK AND MANUFACTURING METHOD THEREOF

COATING COMPOSITION

PLASTIC LENS AND PRODUCTION METHOD THEREFOR

POLARIZING LENS

METHOD OF MANUFACTURING POLARIZING LENS

LUBRICANT FOR MAGNETIC DISK AND MAGNETIC DISK

METHOD OF PRODUCING A MAGNETIC RECORDING DISC

LUBRICANT FOR MAGNETIC DISC, MAGNETIC DISC AND METHOD OF PRODUCING...

MAGNETIC DISK AND MANUFACTURING METHOD THEREOF

LUBRICANT COMPOUND FOR MAGNETIC DISK AND MAGNETIC DISK

MAGNETIC DISK AND METHOD OF MANUFACTURING THE SAME

MAGNETIC DISK AND METHOD OF MANUFACTURING THE SAME

LUBRICANT COMPOUND FOR A MAGNETIC DISK, MAGNETIC DISK, AND METHOD O...

METHOD OF MANUFACTURING A MAGNETIC DISK

LUBRICANT FOR MAGNETIC DISK, PROCESS FOR PRODUCING THE SAME, AND MA...