Hirotaka Akao

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light reflecting member, light beam extension device, image display...
- Patent number 9,759,920
- Issue date Sep 12, 2017
- Sony Corporation
- Katsuyuki Akutsu
- G02 - OPTICS
Information Patent Grant
Light reflecting member, light beam extension device, image display...
- Patent number 8,976,453
- Issue date Mar 10, 2015
- Sony Corporation
- Katsuyuki Akutsu
- G02 - OPTICS
Information Patent Grant
Film deposition method and manufacturing method of semiconductor de...
- Patent number 8,394,728
- Issue date Mar 12, 2013
- Sony Corporation
- Hirotaka Akao
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Screen, its manufacturing method and image display system
- Patent number 7,345,818
- Issue date Mar 18, 2008
- Sony Corporation
- Atsushi Toda
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for making thin-film semiconductor device
- Patent number 7,335,539
- Issue date Feb 26, 2008
- Sony Corporation
- Akio Machida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for making thin-film semiconductor device
- Patent number 7,273,774
- Issue date Sep 25, 2007
- Sony Corporation
- Akio Machida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Screen, its manufacturing method and image display system
- Patent number 7,242,523
- Issue date Jul 10, 2007
- Sony Corporation
- Atsushi Toda
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical switch and display unit
- Patent number 7,068,875
- Issue date Jun 27, 2006
- Sony Corporation
- Atsushi Toda
- G02 - OPTICS
Information Patent Grant
Fine particle structure and optical medium
- Patent number 7,063,890
- Issue date Jun 20, 2006
- Sony Corporation
- Atsushi Toda
- G02 - OPTICS
Information Patent Grant
Screen, its manufacturing method and image display system
- Patent number 7,035,008
- Issue date Apr 25, 2006
- Sony Corporation
- Atsushi Toda
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Screen, its manufacturing method and image display system
- Patent number 6,961,175
- Issue date Nov 1, 2005
- Sony Corporation
- Atsushi Toda
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical switch and display unit
- Patent number 6,895,138
- Issue date May 17, 2005
- Sony Corporation
- Atsushi Toda
- G02 - OPTICS
Information Patent Grant
Information receiving/display apparatus and information receiving/d...
- Patent number 6,859,569
- Issue date Feb 22, 2005
- Sony Corporation
- Akira Ishibashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical switch and display unit
- Patent number 6,754,408
- Issue date Jun 22, 2004
- Sony Corporation
- Atsushi Toda
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT REFLECTING MEMBER, LIGHT BEAM EXTENSION DEVICE, IMAGE DISPLAY...
- Publication number 20150138647
- Publication date May 21, 2015
- SONY CORPORATION
- Katsuyuki Akutsu
- G02 - OPTICS
Information Patent Application
LIGHT REFLECTING MEMBER, LIGHT BEAM EXTENSION DEVICE, IMAGE DISPLAY...
- Publication number 20130135749
- Publication date May 30, 2013
- SONY CORPORATION
- Katsuyuki Akutsu
- G02 - OPTICS
Information Patent Application
FILM DEPOSITION METHOD AND MANUFACTURING METHOD OF SEMICONDUCTOR DE...
- Publication number 20100197102
- Publication date Aug 5, 2010
- SONY CORPORATION
- Hirotaka Akao
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Method for making thin-film semiconductor device
- Publication number 20070298550
- Publication date Dec 27, 2007
- SONY CORPORATION
- Akio Machida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Screen, its manufacturing method and image display system
- Publication number 20070002438
- Publication date Jan 4, 2007
- Sony Corporation
- Atsushi Toda
- G02 - OPTICS
Information Patent Application
Method for making thin-film semiconductor device
- Publication number 20060079033
- Publication date Apr 13, 2006
- SONY CORPORATION
- Akio Machida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Screen, its manufacturing method and image display system
- Publication number 20060033991
- Publication date Feb 16, 2006
- Atsushi Toda
- G02 - OPTICS
Information Patent Application
Optical switch and display unit
- Publication number 20050232535
- Publication date Oct 20, 2005
- Sony Corporation
- Atsushi Toda
- G02 - OPTICS
Information Patent Application
Screen, its manufacturing method and image display system
- Publication number 20050180003
- Publication date Aug 18, 2005
- Sony Corporation
- Atsushi Toda
- G02 - OPTICS
Information Patent Application
Fine particle structure and optical medium
- Publication number 20040224154
- Publication date Nov 11, 2004
- Atsushi Toda
- G02 - OPTICS
Information Patent Application
Optical switch and display unit
- Publication number 20040202406
- Publication date Oct 14, 2004
- Atsushi Toda
- G02 - OPTICS
Information Patent Application
Screen, its manufacturing method and image display system
- Publication number 20040070824
- Publication date Apr 15, 2004
- Atsushi Toda
- G02 - OPTICS
Information Patent Application
Optical switch and display unit
- Publication number 20020159021
- Publication date Oct 31, 2002
- Atsushi Toda
- G02 - OPTICS
Information Patent Application
Information receiving/display apparatus and information receiving/d...
- Publication number 20020046020
- Publication date Apr 18, 2002
- Akira Ishibashi
- G06 - COMPUTING CALCULATING COUNTING

Hirotaka Akao

Person

Patents Grantslast 30 patents

Light reflecting member, light beam extension device, image display...

Light reflecting member, light beam extension device, image display...

Film deposition method and manufacturing method of semiconductor de...

Screen, its manufacturing method and image display system

Method for making thin-film semiconductor device

Method for making thin-film semiconductor device

Screen, its manufacturing method and image display system

Optical switch and display unit

Fine particle structure and optical medium

Screen, its manufacturing method and image display system

Screen, its manufacturing method and image display system

Optical switch and display unit

Information receiving/display apparatus and information receiving/d...

Optical switch and display unit

Patents Applicationslast 30 patents

LIGHT REFLECTING MEMBER, LIGHT BEAM EXTENSION DEVICE, IMAGE DISPLAY...

LIGHT REFLECTING MEMBER, LIGHT BEAM EXTENSION DEVICE, IMAGE DISPLAY...

FILM DEPOSITION METHOD AND MANUFACTURING METHOD OF SEMICONDUCTOR DE...

Method for making thin-film semiconductor device

Screen, its manufacturing method and image display system

Method for making thin-film semiconductor device

Screen, its manufacturing method and image display system

Optical switch and display unit

Screen, its manufacturing method and image display system

Fine particle structure and optical medium

Optical switch and display unit

Screen, its manufacturing method and image display system

Optical switch and display unit

Information receiving/display apparatus and information receiving/d...