Hiroshi Nishizuka

Person

Higashikurume, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Wafer having chamfered bend portions in the joint regions between t...
- Patent number RE40139
- Issue date Mar 4, 2008
- Renesas Technology Corp.
- Hisashi Maejima
- 438 - Semiconductor device manufacturing: process
Information Patent Grant
Method of producing a wafer having a curved notch
- Patent number 5,279,992
- Issue date Jan 18, 1994
- Hitachi, Ltd.
- Hisashi Maejima
- C30 - CRYSTAL GROWTH
Information Patent Grant
Wafer having chamfered bend portions in the joint regions between t...
- Patent number 5,230,747
- Issue date Jul 27, 1993
- Hitachi, Ltd.
- Hisashi Maejima
- C30 - CRYSTAL GROWTH
Information Patent Grant
Exposure method and exposure apparatus
- Patent number 5,025,284
- Issue date Jun 18, 1991
- Hitachi, Ltd.
- Susumu Komoriya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure method and exposure apparatus
- Patent number 4,974,018
- Issue date Nov 27, 1990
- Hitachi, Ltd.
- Susumu Komoriya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wafer and method of working the same
- Patent number 4,783,225
- Issue date Nov 8, 1988
- Hitachi, Ltd.
- Hisashi Maejima
- C30 - CRYSTAL GROWTH
Information Patent Grant
Projection aligner method utilizing monitoring of light quantity
- Patent number 4,780,606
- Issue date Oct 25, 1988
- Hitachi, Ltd.
- Koyo Morita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection aligner with a sensor for monitoring light quantity
- Patent number 4,701,608
- Issue date Oct 20, 1987
- Hitachi, Ltd.
- Koyo Morita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure method and exposure apparatus
- Patent number 4,699,505
- Issue date Oct 13, 1987
- Hitachi, Ltd.
- Susumu Komoriya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection aligner
- Patent number 4,598,197
- Issue date Jul 1, 1986
- Hitachi, Ltd.
- Koyo Morita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection aligner and method of positioning a wafer
- Patent number 4,298,273
- Issue date Nov 3, 1981
- Hitachi, Ltd.
- Hiroshi Nishizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of and apparatus for aligning photomask
- Patent number 4,218,136
- Issue date Aug 19, 1980
- Hitachi, Ltd.
- Susumu Komoriya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hiroshi Nishizuka

Person

Patents Grantslast 30 patents

Wafer having chamfered bend portions in the joint regions between t...

Method of producing a wafer having a curved notch

Wafer having chamfered bend portions in the joint regions between t...

Exposure method and exposure apparatus

Exposure method and exposure apparatus

Wafer and method of working the same

Projection aligner method utilizing monitoring of light quantity

Projection aligner with a sensor for monitoring light quantity

Exposure method and exposure apparatus

Projection aligner

Projection aligner and method of positioning a wafer

Method of and apparatus for aligning photomask