Osamu Yamamoto

Person

Nara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor light emitting device having a current narrowing port...
- Patent number 7,541,621
- Issue date Jun 2, 2009
- Sharp Kabushiki Kaisha
- Takahisa Kurahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light-emitting diode
- Patent number 6,984,850
- Issue date Jan 10, 2006
- Sharp Kabushiki Kaisha
- Hiroshi Nakatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light-emitting diode
- Patent number 6,936,858
- Issue date Aug 30, 2005
- Sharp Kabushiki Kaisha
- Hiroshi Nakatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light-emitting device capable of having good stabilit...
- Patent number 5,717,709
- Issue date Feb 10, 1998
- Sharp Kabushiki Kaisha
- Kazuaki Sasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light-emitting device capable of having good stabilit...
- Patent number 5,516,723
- Issue date May 14, 1996
- Sharp Kabushiki Kaisha
- Kazuaki Sasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hyperresolution optical system
- Patent number 5,450,237
- Issue date Sep 12, 1995
- Sharp Kabushiki Kaisha
- Toshihiko Yoshida
- G02 - OPTICS
Information Patent Grant
Method for producing a semiconductor laser device
- Patent number 5,413,956
- Issue date May 9, 1995
- Sharp Kabushiki Kaisha
- Masanori Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light emitting device with current confining layer
- Patent number 5,404,031
- Issue date Apr 4, 1995
- Sharp Kabushiki Kaisha
- Kazuaki Sasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting diode having a surface electrode of a tree-like form
- Patent number 5,309,001
- Issue date May 3, 1994
- Sharp Kabushiki Kaisha
- Masanori Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device and a method for producing the same
- Patent number 5,228,047
- Issue date Jul 13, 1993
- Sharp Kabushiki Kaisha
- Mitsuhiro Matsumoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light wavelength converter for a wavelength of laser beams into a s...
- Patent number 5,224,195
- Issue date Jun 29, 1993
- Sharp Kabushiki Kaisha
- Toshihiko Yoshida
- G02 - OPTICS
Information Patent Grant
Method for the production of a semiconductor laser device
- Patent number 5,180,685
- Issue date Jan 19, 1993
- Sharp Kabushiki Kaisha
- Osamu Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser beam oscillating apparatus
- Patent number 5,144,636
- Issue date Sep 1, 1992
- Sharp Kabushiki Kaisha
- Toshihiko Yoshida
- G02 - OPTICS
Information Patent Grant
Optical information processing apparatus
- Patent number 5,119,355
- Issue date Jun 2, 1992
- Sharp Kabushiki Kaisha
- Osamu Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Light wavelength converter
- Patent number 5,109,462
- Issue date Apr 28, 1992
- Sharp Kabushiki Kaisha
- Masanori Watanabe
- G02 - OPTICS
Information Patent Grant
Method for producing a diffraction grating in optical elements
- Patent number 5,101,297
- Issue date Mar 31, 1992
- Sharp Kabushiki Kaisha
- Toshihiko Yoshida
- G02 - OPTICS
Information Patent Grant
Light wavelength converter
- Patent number 5,046,802
- Issue date Sep 10, 1991
- Sharp Kabushiki Kaisha
- Osamu Yamamoto
- G02 - OPTICS
Information Patent Grant
Grating coupler
- Patent number 5,033,812
- Issue date Jul 23, 1991
- Sharp Kabushiki Kaisha
- Toshihiko Yoshida
- G02 - OPTICS
Information Patent Grant
Optical pumping-type solid-state laser apparatus with a semiconduct...
- Patent number 5,025,449
- Issue date Jun 18, 1991
- Sharp Kabushiki Kaisha
- Osamu Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light wavelength converter
- Patent number 5,007,694
- Issue date Apr 16, 1991
- Sharp Kabushiki Kaisha
- Osamu Yamamoto
- G02 - OPTICS
Information Patent Grant
Solid electrolyte type fuel cells
- Patent number 4,950,562
- Issue date Aug 21, 1990
- Toa Nenryo Kogyo Kabushiki Kaisha
- Toshihiko Yoshida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical information processing apparatus
- Patent number 4,945,525
- Issue date Jul 31, 1990
- Sharp Kabushiki Kaisha
- Osamu Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Waveguide type optical head
- Patent number 4,911,512
- Issue date Mar 27, 1990
- Sharp Kabushiki Kaisha
- Osamu Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
External cavity type semiconductor laser apparatus
- Patent number 4,864,585
- Issue date Sep 5, 1989
- Sharp Kabushiki Kaisha
- Hiroshi Hayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
External cavity type semiconductor laser apparatus
- Patent number 4,860,305
- Issue date Aug 22, 1989
- Sharp Kabushiki Kaisha
- Nobuyuki Miyauchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonlinear optical waveguide device including grating for changing o...
- Patent number 4,852,961
- Issue date Aug 1, 1989
- Sharp Kabushiki Kaisha
- Osamu Yamamoto
- G02 - OPTICS
Information Patent Grant
External resonator type semiconductor laser
- Patent number 4,829,531
- Issue date May 9, 1989
- Sharp Kabushiki Kaisha
- Hidenori Kawanishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
External resonator type semiconductor laser apparatus
- Patent number 4,817,109
- Issue date Mar 28, 1989
- 501 Sharp Kabushiki Kaisha
- Nobuybuki Miyauchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 4,815,089
- Issue date Mar 21, 1989
- Sharp Kabushiki Kaisha
- Nobuyuki Miyauchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser apparatus
- Patent number 4,811,350
- Issue date Mar 7, 1989
- Sharp Kabushiki Kaisha
- Osamu Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor light emitting device and manufacturing method for se...
- Publication number 20060043392
- Publication date Mar 2, 2006
- Sharp Kabushiki Kaisha
- Takahisa Kurahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor light-emitting element, manufacturing method therefor...
- Publication number 20050116309
- Publication date Jun 2, 2005
- Shouichi Ohyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor light-emitting diode
- Publication number 20040104396
- Publication date Jun 3, 2004
- Sharp Kabushiki Kaisha
- Hiroshi Nakatsu
- H01 - BASIC ELECTRIC ELEMENTS

Osamu Yamamoto

Person

Patents Grantslast 30 patents

Semiconductor light emitting device having a current narrowing port...

Semiconductor light-emitting diode

Semiconductor light-emitting diode

Semiconductor light-emitting device capable of having good stabilit...

Semiconductor light-emitting device capable of having good stabilit...

Hyperresolution optical system

Method for producing a semiconductor laser device

Semiconductor light emitting device with current confining layer

Light-emitting diode having a surface electrode of a tree-like form

Semiconductor laser device and a method for producing the same

Light wavelength converter for a wavelength of laser beams into a s...

Method for the production of a semiconductor laser device

Laser beam oscillating apparatus

Optical information processing apparatus

Light wavelength converter

Method for producing a diffraction grating in optical elements

Light wavelength converter

Grating coupler

Optical pumping-type solid-state laser apparatus with a semiconduct...

Light wavelength converter

Solid electrolyte type fuel cells

Optical information processing apparatus

Waveguide type optical head

External cavity type semiconductor laser apparatus

External cavity type semiconductor laser apparatus

Nonlinear optical waveguide device including grating for changing o...

External resonator type semiconductor laser

External resonator type semiconductor laser apparatus

Semiconductor laser

Semiconductor laser apparatus

Patents Applicationslast 30 patents

Semiconductor light emitting device and manufacturing method for se...

Semiconductor light-emitting element, manufacturing method therefor...

Semiconductor light-emitting diode