Hirokazu Shimizu

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing a semiconductor device
- Patent number 6,750,158
- Issue date Jun 15, 2004
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Ogawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device
- Patent number 5,793,785
- Issue date Aug 11, 1998
- Matsushita Electronics Corporation
- Hideyuki Nakanishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device fabrication method
- Patent number 5,587,334
- Issue date Dec 24, 1996
- Matsushita Electric Industrial Co., Ltd.
- Hiroki Naito
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser device with integrated reflector on a (511) til...
- Patent number 5,479,426
- Issue date Dec 26, 1995
- Matsushita Electronics Corporation
- Hideyuki Nakanishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Deflection plate for optical pick-up device
- Patent number 5,475,670
- Issue date Dec 12, 1995
- Matsushita Electronics Corporation
- Ken Hamada
- G02 - OPTICS
Information Patent Grant
Low operating current and low noise semiconductor laser device for...
- Patent number 5,386,429
- Issue date Jan 31, 1995
- Matsushita Electric Industrial Co., Ltd.
- Hiroki Naito
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser device including a gallium-aluminum arsenic com...
- Patent number 5,297,158
- Issue date Mar 22, 1994
- Matsushita Electric Industrial Co., Ltd.
- Hiroki Naitou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device
- Patent number 5,031,186
- Issue date Jul 9, 1991
- Matsushita Electric Industrial Co., Ltd.
- Shinichi Takigawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Buried twin ridge substrate laser
- Patent number 4,745,611
- Issue date May 17, 1988
- Matsushita Electric Industrial Co., Ltd.
- Ken Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device with decreased light intensity noise
- Patent number 4,731,792
- Issue date Mar 15, 1988
- Matsushita Electric Industrial Co., Ltd.
- Hirokazu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing semiconductor device
- Patent number 4,675,074
- Issue date Jun 23, 1987
- Matsushita Electric Industrial Co., Ltd.
- Masaru Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 4,651,322
- Issue date Mar 17, 1987
- Matsushita Electric Industrial Co., Ltd.
- Hirokazu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser structure including dual mounts having ridge an...
- Patent number 4,603,419
- Issue date Jul 29, 1986
- Matsushita Electric Industrial Co., Ltd.
- Hirokazu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 4,546,478
- Issue date Oct 8, 1985
- Matsushita Electric Industrial Co., Ltd.
- Hirokazu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 4,520,485
- Issue date May 28, 1985
- Matsushita Electric Industrial Co., Ltd.
- Takashi Sugino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Terraced substrate semiconductor laser
- Patent number 4,488,306
- Issue date Dec 11, 1984
- Matsushita Electric Industrial Co., Ltd.
- Takashi Sugino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stem for semiconductor laser devices
- Patent number 4,488,304
- Issue date Dec 11, 1984
- Matsushita Electric Industrial Co., Ltd.
- Hirokazu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Terrace-shaped substrate semiconductor laser
- Patent number 4,456,999
- Issue date Jun 26, 1984
- Matsushita Electric Industrial Co., Ltd.
- Takashi Sugino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Terraced substrate semiconductor laser
- Patent number 4,392,227
- Issue date Jul 5, 1983
- Matsushita Electric Industrial Co., Ltd.
- Kunio Itoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 4,383,319
- Issue date May 10, 1983
- Matsushita Electric Industrial Co., Ltd.
- Hirokazu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 4,377,865
- Issue date Mar 22, 1983
- Matsushita Electric Industrial Co., Ltd.
- Takashi Sugino
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser
- Patent number 4,371,967
- Issue date Feb 1, 1983
- Matsushita Electric Industrial Co., Ltd.
- Masaru Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 4,366,568
- Issue date Dec 28, 1982
- Matsushita Electric Industrial Co. Ltd.
- Hirokazu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Terraced substrate semiconductor laser
- Patent number 4,365,336
- Issue date Dec 21, 1982
- Matsushita Electric Industrial Co., Ltd.
- Takashi Sugino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Terraced substrate semiconductor laser
- Patent number 4,360,920
- Issue date Nov 23, 1982
- Matsushita Electric Industrial Co., Ltd.
- Masaru Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Terraced substrate semiconductor laser
- Patent number 4,358,850
- Issue date Nov 9, 1982
- Matsushita Electric Industrial Co., Ltd.
- Takashi Sugino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Terraced substrate semiconductor laser
- Patent number 4,329,661
- Issue date May 11, 1982
- Matsushita Electric Industrial Co., Ltd.
- Takashi Sugino
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method for producing a semiconductor device
- Publication number 20020173064
- Publication date Nov 21, 2002
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Ogawa
- H01 - BASIC ELECTRIC ELEMENTS

Hirokazu Shimizu

Person

Patents Grantslast 30 patents

Method for producing a semiconductor device

Semiconductor laser device

Semiconductor laser device fabrication method

Semiconductor laser device with integrated reflector on a (511) til...

Deflection plate for optical pick-up device

Low operating current and low noise semiconductor laser device for...

Semiconductor laser device including a gallium-aluminum arsenic com...

Semiconductor laser device

Buried twin ridge substrate laser

Semiconductor laser device with decreased light intensity noise

Method of manufacturing semiconductor device

Semiconductor laser

Semiconductor laser structure including dual mounts having ridge an...

Semiconductor laser

Semiconductor device

Terraced substrate semiconductor laser

Stem for semiconductor laser devices

Terrace-shaped substrate semiconductor laser

Terraced substrate semiconductor laser

Semiconductor laser

Semiconductor laser

Semiconductor laser

Semiconductor laser

Terraced substrate semiconductor laser

Terraced substrate semiconductor laser

Terraced substrate semiconductor laser

Terraced substrate semiconductor laser

Patents Applicationslast 30 patents

Method for producing a semiconductor device