P

Inventor

NAITO TAKASHI

JP132 patents
⚠️ This page may combine multiple inventors who share the name “NAITO TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

23 patents
US6040029AMar 21, 2000

Glass substrate of disk for recording information, a disk for recording information, and a disk device for recording information

HITACHI LTD42 citations96
US6801397B2Oct 5, 2004

Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture and a magnetic disk device

HITACHI LTD14 citations92
US6790502B1Sep 14, 2004

Optically functional element and production method and application therefor

HITACHI LTD27 citations92
US6577472B2Jun 10, 2003

Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture

HITACHI LTD23 citations92
US6411591B1Jun 25, 2002

Optical recording medium and optical memory device

HITACHI LTD42 citations92
US6136401AOct 24, 2000

Glass substrate of disk for recording information, a disk for recording information, and a disk device for recording information

HITACHI LTD19 citations92
US7169334B2Jan 30, 2007

Optical information recording medium

HITACHI LTD11 citations84
US6840833B1Jan 11, 2005

Gas discharge type display panel and production method therefor

HITACHI LTD18 citations82
US6150027ANov 21, 2000

Glass composition, structure, and apparatus using the same

HITACHI LTD14 citations82
US7232612B2Jun 19, 2007

Glass substrate of disk for recording information, a disk for recording information, and a disk device for recording information

HITACHI LTD7 citations74
US6730384B2May 4, 2004

Nonlinear optical thin film, optical recording medium using nonlinear optical film and optical switch

HITACHI LTD10 citations74
US6700852B1Mar 2, 2004

Information recording medium with recording film with cobalt oxide crystalline particles, and information recording device including the same

HITACHI LTD12 citations74
US6512655B1Jan 28, 2003

Magnetic head with sealing glass composition

HITACHI LTD6 citations74
US6503858B1Jan 7, 2003

Glass composition, structure, and apparatus using the same

HITACHI LTD10 citations74
US6440517B1Aug 27, 2002

Glass material

HITACHI LTD4 citations74
US6177169B1Jan 23, 2001

Optical information recording medium

HITACHI LTD5 citations74
US5985401ANov 16, 1999

Optical information recording medium

HITACHI LTD9 citations74
US4741849AMay 3, 1988

Ceramic body glass composition for bonding and filling ceramic parts thereof

HITACHI LTD17 citations74
US10913680B2Feb 9, 2021

Lead-free glass composition, glass composite material, glass paste, sealing structure, electrical/electronic component and coated component

HITACHI LTD3 citations73
US9824900B2Nov 21, 2017

Bonded structure and production method therefor

HITACHI LTD3 citations73
US9373558B2Jun 21, 2016

Resin-sealed electronic control device

HITACHI LTD3 citations73
US6844092B2Jan 18, 2005

Optically functional element and production method and application therefor

HITACHI LTD10 citations73
US6689456B2Feb 10, 2004

Magnetic recording medium, a manufacturing method thereof, and a magnetic recording unit using thereof

HITACHI LTD8 citations73

SONY CORP

6 patents

TOYODA GOSEI KK

3 patents

ADVANTEST CORP

3 patents

MATSUSHITA GRAPHIC COMMUNIC

2 patents

NAITO TAKASHI

2 patents

HITACHI GLOBAL STORAGE TECH

1 patent

RENESAS TECH CORP

1 patent

PANASONIC COMM CO LTD

1 patent

AISIN AW CO

1 patent

TOYOTA MOTOR CO LTD

1 patent

HITACHI POWDERED METALS

1 patent

HITACHI CHEMICAL CO LTD

1 patent

MIZUNO AKIRA

1 patent

HORIGUCHI MUNEHISA

1 patent

FANCL CORP

1 patent

NIPPON DENSO CO

1 patent

Showing the top 50 of 132 patents by PatentIndex Score.