Ichiro Kasai

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image display apparatus and head-mounted display
- Patent number 7,898,502
- Issue date Mar 1, 2011
- Konica Minolta Holdings, Inc.
- Yasushi Tanijiri
- G02 - OPTICS
Information Patent Grant
Optical holographic device with a hologram optical element on an ar...
- Patent number 7,835,050
- Issue date Nov 16, 2010
- Konica Minolta Photo Imaging, Inc.
- Yasushi Tanijiri
- G02 - OPTICS
Information Patent Grant
Optical system and display apparatus
- Patent number 7,468,843
- Issue date Dec 23, 2008
- Minolta Co., Ltd.
- Yasushi Tanijiri
- G02 - OPTICS
Information Patent Grant
Method for producing an optical device, optical device, image displ...
- Patent number 7,460,286
- Issue date Dec 2, 2008
- Konica Minolta Photo Imaging, Inc.
- Tetsuya Noda
- G02 - OPTICS
Information Patent Grant
Optical system and display apparatus
- Patent number 7,136,228
- Issue date Nov 14, 2006
- Minolta Co., Ltd.
- Yasushi Tanijiri
- G02 - OPTICS
Information Patent Grant
Display device
- Patent number 7,019,798
- Issue date Mar 28, 2006
- Minolta Co., Ltd.
- Takeshi Endo
- G02 - OPTICS
Information Patent Grant
Head-mounted image display apparatus
- Patent number 7,019,715
- Issue date Mar 28, 2006
- Minolta Co., Ltd.
- Ichiro Kasai
- G02 - OPTICS
Information Patent Grant
Image display system
- Patent number 6,937,209
- Issue date Aug 30, 2005
- Minolta Co., Ltd.
- Hideki Nagata
- G02 - OPTICS
Information Patent Grant
Information display device
- Patent number 6,919,976
- Issue date Jul 19, 2005
- Minolta Co., Ltd.
- Ichiro Kasai
- G02 - OPTICS
Information Patent Grant
Optical apparatus and viewing optical system thereof which is capab...
- Patent number 6,914,726
- Issue date Jul 5, 2005
- Minolta Co., Ltd.
- Ichiro Kasai
- G02 - OPTICS
Information Patent Grant
Optical system and method for fabricating a holographic optical ele...
- Patent number 6,885,484
- Issue date Apr 26, 2005
- Minolta Co., Ltd.
- Ichiro Kasai
- G02 - OPTICS
Information Patent Grant
Image display apparatus
- Patent number 6,816,132
- Issue date Nov 9, 2004
- Minolta Co., Ltd.
- Yasushi Tanijiri
- G02 - OPTICS
Information Patent Grant
Image display apparatus
- Patent number 6,771,403
- Issue date Aug 3, 2004
- Minolta Co., Ltd.
- Takeshi Endo
- G02 - OPTICS
Information Patent Grant
Image display apparatus
- Patent number 6,657,602
- Issue date Dec 2, 2003
- Minolta Co., Ltd.
- Takeshi Endo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Projection image display device using a reflective type display ele...
- Patent number 6,447,122
- Issue date Sep 10, 2002
- Minolta Co., Ltd.
- Yasushi Kobayashi
- G02 - OPTICS
Information Patent Grant
Image display device
- Patent number 6,429,954
- Issue date Aug 6, 2002
- Minolta Co., Ltd.
- Ichiro Kasai
- G02 - OPTICS
Information Patent Grant
Zoom optical system
- Patent number 6,377,405
- Issue date Apr 23, 2002
- Minolta Co., Ltd.
- Ichiro Kasai
- G02 - OPTICS
Information Patent Grant
Image forming optical system employing a reflective type spatial li...
- Patent number 6,352,346
- Issue date Mar 5, 2002
- Minolta Co., Ltd.
- Ichiro Kasai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image display apparatus
- Patent number 6,335,838
- Issue date Jan 1, 2002
- Minolta Co., Ltd.
- Ichiro Kasai
- G02 - OPTICS
Information Patent Grant
Image display apparatus
- Patent number 6,323,999
- Issue date Nov 27, 2001
- Minolta Co., Ltd.
- Hiroaki Ueda
- G02 - OPTICS
Information Patent Grant
Zoom optical system
- Patent number 6,259,569
- Issue date Jul 10, 2001
- Minolta Co., Ltd.
- Ichiro Kasai
- G02 - OPTICS
Information Patent Grant
Color projection display apparatus
- Patent number 6,116,739
- Issue date Sep 12, 2000
- Minolta Co., Ltd.
- Jun Ishihara
- G02 - OPTICS
Information Patent Grant
Scanning type image viewing optical system
- Patent number 6,115,186
- Issue date Sep 5, 2000
- Minolta Co., Ltd.
- Hideki Nagata
- G02 - OPTICS
Information Patent Grant
Scanning type image viewing optical system
- Patent number 6,097,526
- Issue date Aug 1, 2000
- Minolta Co., Ltd.
- Hideki Nagata
- G02 - OPTICS
Information Patent Grant
Roof prism
- Patent number 5,946,147
- Issue date Aug 31, 1999
- Minolta Co., Ltd.
- Katsuto Tanaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Camera capable of metering light transmitting through a viewfinder
- Patent number 5,717,966
- Issue date Feb 10, 1998
- Minolta Co., Ltd.
- Shigeto Ohmori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Compact high-zoom-ratio real-image finder
- Patent number 5,627,618
- Issue date May 6, 1997
- Minolta Camera Kabushiki Kaisha
- Ichiro Kasai
- G02 - OPTICS
Information Patent Grant
Finder optical system
- Patent number 5,194,886
- Issue date Mar 16, 1993
- Minolta Camera Kabushiki Kaisha
- Hiromu Mukai
- G02 - OPTICS
Information Patent Grant
Viewfinder optical system
- Patent number 5,130,855
- Issue date Jul 14, 1992
- Minolta Camera Kabushiki Kaisha
- Hiromu Mukai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Finder optical system
- Patent number 4,926,201
- Issue date May 15, 1990
- Minolta Camera Kabushiki Kaisha
- Hiromu Mukai
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Image display apparatus and head-mounted display
- Publication number 20070177239
- Publication date Aug 2, 2007
- KONICA MINOLTA HOLDINGS, INC.
- Yasushi Tanijiri
- G02 - OPTICS
Information Patent Application
Optical device, image display device and head mounted display
- Publication number 20070019264
- Publication date Jan 25, 2007
- KONICA MINOLTA PHOTO IMAGING, INC.
- Yasushi Tanijiri
- G02 - OPTICS
Information Patent Application
Optical system and display apparatus
- Publication number 20060274440
- Publication date Dec 7, 2006
- MINOLTA CO., LTD.
- Yasushi Tanijiri
- G02 - OPTICS
Information Patent Application
Optical device, image display apparatus, and head-mounted display
- Publication number 20060152782
- Publication date Jul 13, 2006
- KONICA MINOLTA PHOTO IMAGING, INC.
- Tetsuya Noda
- G02 - OPTICS
Information Patent Application
Method for producing an optical device, optical device, image displ...
- Publication number 20060120247
- Publication date Jun 8, 2006
- KONICA MINOLTA PHOTO IMAGING, INC.
- Tetsuya Noda
- G02 - OPTICS
Information Patent Application
Information display device
- Publication number 20040233488
- Publication date Nov 25, 2004
- MINOLTA CO., LTD.
- Ichiro Kasai
- G02 - OPTICS
Information Patent Application
Optical system and method for fabricating a holographic optical ele...
- Publication number 20040212860
- Publication date Oct 28, 2004
- MINOLTA CO., LTD.
- Ichiro Kasai
- G02 - OPTICS
Information Patent Application
IMAGE DISPLAY APPARATUS
- Publication number 20040141217
- Publication date Jul 22, 2004
- MINOLTA CO., LTD.
- Takeshi Endo
- G02 - OPTICS
Information Patent Application
Optical system and display apparatus
- Publication number 20040057138
- Publication date Mar 25, 2004
- MINOLTA CO., LTD.
- Yasushi Tanijiri
- G02 - OPTICS
Information Patent Application
Display device
- Publication number 20030179423
- Publication date Sep 25, 2003
- MINOLTA CO., LTD.
- Takeshi Endo
- G02 - OPTICS
Information Patent Application
OPTICAL APPARATUS AND VIEWING OPTICAL SYSTEM THEREOF WHICH IS CAPAB...
- Publication number 20030123114
- Publication date Jul 3, 2003
- ICHIRO KASAI
- G02 - OPTICS
Information Patent Application
Image display apparatus
- Publication number 20010038361
- Publication date Nov 8, 2001
- Yasushi Tanijiri
- G02 - OPTICS
Information Patent Application
Information display device
- Publication number 20010033401
- Publication date Oct 25, 2001
- MINOLTA CO., LTD.
- Ichiro Kasai
- G02 - OPTICS
Information Patent Application
Image processing system, image sensing device, and computer program
- Publication number 20010031099
- Publication date Oct 18, 2001
- Takashi Kondo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Zoom optical system
- Publication number 20010021069
- Publication date Sep 13, 2001
- MINOLTA CO., LTD.
- Ichiro Kasai
- G02 - OPTICS
Information Patent Application
Image display apparatus
- Publication number 20010005185
- Publication date Jun 28, 2001
- Takeshi Endo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Ichiro Kasai

Person

Patents Grantslast 30 patents

Image display apparatus and head-mounted display

Optical holographic device with a hologram optical element on an ar...

Optical system and display apparatus

Method for producing an optical device, optical device, image displ...

Optical system and display apparatus

Display device

Head-mounted image display apparatus

Image display system

Information display device

Optical apparatus and viewing optical system thereof which is capab...

Optical system and method for fabricating a holographic optical ele...

Image display apparatus

Image display apparatus

Image display apparatus

Projection image display device using a reflective type display ele...

Image display device

Zoom optical system

Image forming optical system employing a reflective type spatial li...

Image display apparatus

Image display apparatus

Zoom optical system

Color projection display apparatus

Scanning type image viewing optical system

Scanning type image viewing optical system

Roof prism

Camera capable of metering light transmitting through a viewfinder

Compact high-zoom-ratio real-image finder

Finder optical system

Viewfinder optical system

Finder optical system

Patents Applicationslast 30 patents

Image display apparatus and head-mounted display

Optical device, image display device and head mounted display

Optical system and display apparatus

Optical device, image display apparatus, and head-mounted display

Method for producing an optical device, optical device, image displ...

Information display device

Optical system and method for fabricating a holographic optical ele...

IMAGE DISPLAY APPARATUS

Optical system and display apparatus

Display device

OPTICAL APPARATUS AND VIEWING OPTICAL SYSTEM THEREOF WHICH IS CAPAB...

Image display apparatus

Information display device

Image processing system, image sensing device, and computer program

Zoom optical system

Image display apparatus