Takeyoshi TAKAHASHI

Person

Akishima - shi, Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Hard disk drive with magnetic-disk substrate
- Patent number 11,094,344
- Issue date Aug 17, 2021
- Hoya Corporation
- Takeyoshi Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Substrate for magnetic disk and magnetic disk
- Patent number 10,535,366
- Issue date Jan 14, 2020
- Hoya Corporation
- Masanori Tamaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Substrate for magnetic disk and magnetic disk
- Patent number 10,431,252
- Issue date Oct 1, 2019
- Hoya Corporation
- Masanori Tamaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic-disk substrate and magnetic disk
- Patent number 10,290,315
- Issue date May 14, 2019
- Hoya Corporation
- Takeyoshi Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Glass substrate for magnetic disk and magnetic disk
- Patent number 9,595,286
- Issue date Mar 14, 2017
- Hoya Corporation
- Masanori Tamaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Glass substrate for magnetic disk and magnetic disk
- Patent number 9,595,284
- Issue date Mar 14, 2017
- Hoya Corporation
- Masanori Tamaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic-disk glass substrate and magnetic disk
- Patent number 9,583,128
- Issue date Feb 28, 2017
- Hoya Corporation
- Takeyoshi Takahashi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
HARD DISK DRIVE WITH MAGNETIC-DISK SUBSTRATE
- Publication number 20190221233
- Publication date Jul 18, 2019
- Hoya Corporation
- Takeyoshi TAKAHASHI
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK
- Publication number 20170169848
- Publication date Jun 15, 2017
- HOYA CORPORATION
- Masanori TAMAKI
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK
- Publication number 20170169849
- Publication date Jun 15, 2017
- HOYA CORPORATION
- Masanori TAMAKI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC-DISK GLASS SUBSTRATE AND MAGNETIC DISK
- Publication number 20170140785
- Publication date May 18, 2017
- HOYA CORPORATION
- Takeyoshi TAKAHASHI
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK
- Publication number 20160005431
- Publication date Jan 7, 2016
- HOYA CORPORATION
- Masanori TAMAKI
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK
- Publication number 20150371673
- Publication date Dec 24, 2015
- HOYA CORPORATION
- Masanori TAMAKI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC-DISK GLASS SUBSTRATE AND MAGNETIC DISK
- Publication number 20150262604
- Publication date Sep 17, 2015
- HOYA CORPORATION
- Takeyoshi Takahashi
- G11 - INFORMATION STORAGE

Takeyoshi TAKAHASHI

Person

Patents Grantslast 30 patents

Hard disk drive with magnetic-disk substrate

Substrate for magnetic disk and magnetic disk

Substrate for magnetic disk and magnetic disk

Magnetic-disk substrate and magnetic disk

Glass substrate for magnetic disk and magnetic disk

Glass substrate for magnetic disk and magnetic disk

Magnetic-disk glass substrate and magnetic disk

Patents Applicationslast 30 patents

HARD DISK DRIVE WITH MAGNETIC-DISK SUBSTRATE

GLASS SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK

GLASS SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK

MAGNETIC-DISK GLASS SUBSTRATE AND MAGNETIC DISK

GLASS SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK

GLASS SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK

MAGNETIC-DISK GLASS SUBSTRATE AND MAGNETIC DISK