Toshifumi Yasui

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical system and projector
- Patent number 11,835,696
- Issue date Dec 5, 2023
- Sony Corporation
- Toshifumi Yasui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection optical system and projector
- Patent number 11,181,724
- Issue date Nov 23, 2021
- Sony Corporation
- Toshifumi Yasui
- G02 - OPTICS
Information Patent Grant
Irradiation optical system and projector
- Patent number 10,908,740
- Issue date Feb 2, 2021
- Sony Corporation
- Toshifumi Yasui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Projection display unit
- Patent number 10,659,669
- Issue date May 19, 2020
- Sony Corporation
- Toshifumi Yasui
- G02 - OPTICS
Information Patent Grant
Irradiation optical system and projector
- Patent number 10,459,575
- Issue date Oct 29, 2019
- Sony Corporation
- Toshifumi Yasui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image projection apparatus and image projection method
- Patent number 9,523,908
- Issue date Dec 20, 2016
- Sony Corporation
- Toshifumi Yasui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Illumination device and display device
- Patent number 9,335,558
- Issue date May 10, 2016
- Sony Corporation
- Toshifumi Yasui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Illumination device and display unit for suppressing luminance unev...
- Patent number 9,239,463
- Issue date Jan 19, 2016
- Sony Corporation
- Toshifumi Yasui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Illumination device and display unit including a light source secti...
- Patent number 9,176,367
- Issue date Nov 3, 2015
- Sony Corporation
- Kazumasa Kaneda
- F21 - LIGHTING
Information Patent Grant
Projection display
- Patent number 8,864,317
- Issue date Oct 21, 2014
- Sony Corporation
- Toshifumi Yasui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Objective lens, optical pickup and optical disc apparatus
- Patent number 8,233,370
- Issue date Jul 31, 2012
- Sony Corporation
- Toshifumi Yasui
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens, optical pickup, and optical disc apparatus
- Patent number 8,139,463
- Issue date Mar 20, 2012
- Sony Corporation
- Toshifumi Yasui
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens, optical pickup and optical disk apparatus
- Patent number 8,116,188
- Issue date Feb 14, 2012
- Sony Corporation
- Toshifumi Yasui
- G11 - INFORMATION STORAGE
Information Patent Grant
Object lens, optical pickup, and optical disc device
- Patent number 8,102,749
- Issue date Jan 24, 2012
- Sony Corporation
- Kazumasa Kaneda
- G11 - INFORMATION STORAGE
Information Patent Grant
Condensing optical device, optical pickup, and optical disc apparatus
- Patent number 8,064,315
- Issue date Nov 22, 2011
- Sony Corporation
- Toshifumi Yasui
- G11 - INFORMATION STORAGE
Information Patent Grant
Object lens, optical pickup, and optical disc device
- Patent number 7,924,684
- Issue date Apr 12, 2011
- Sony Corporation
- Kazumasa Kaneda
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
PROJECTION OPTICAL SYSTEM AND PROJECTOR
- Publication number 20210181487
- Publication date Jun 17, 2021
- SONY CORPORATION
- Toshifumi Yasui
- G02 - OPTICS
Information Patent Application
OPTICAL SYSTEM AND PROJECTOR
- Publication number 20210033830
- Publication date Feb 4, 2021
- SONY CORPORATION
- Toshifumi Yasui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ILLUMINATION UNIT AND DISPLAY APPARATUS
- Publication number 20200192205
- Publication date Jun 18, 2020
- SONY CORPORATION
- TOSHIFUMI YASUI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IRRADIATION OPTICAL SYSTEM AND PROJECTOR
- Publication number 20190354234
- Publication date Nov 21, 2019
- SONY CORPORATION
- Toshifumi Yasui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PROJECTION DISPLAY UNIT
- Publication number 20190132499
- Publication date May 2, 2019
- SONY CORPORATION
- Toshifumi Yasui
- G02 - OPTICS
Information Patent Application
IRRADIATION OPTICAL SYSTEM AND PROJECTOR
- Publication number 20180011606
- Publication date Jan 11, 2018
- SONY CORPORATION
- Toshifumi Yasui
- G02 - OPTICS
Information Patent Application
IMAGE PROJECTION APPARATUS AND IMAGE PROJECTION METHOD
- Publication number 20140218702
- Publication date Aug 7, 2014
- SONY CORPORATION
- Toshifumi YASUI
- G02 - OPTICS
Information Patent Application
ILLUMINATION DEVICE AND DISPLAY UNIT
- Publication number 20130258294
- Publication date Oct 3, 2013
- SONY CORPORATION
- Kazumasa Kaneda
- G02 - OPTICS
Information Patent Application
PROJECTION DISPLAY
- Publication number 20130088652
- Publication date Apr 11, 2013
- SONY CORPORATION
- Toshifumi Yasui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ILLUMINATION DEVICE AND DISPLAY DEVICE
- Publication number 20130050285
- Publication date Feb 28, 2013
- SONY CORPORATION
- Kazuyuki Takahashi
- G02 - OPTICS
Information Patent Application
ILLUMINATION DEVICE AND DISPLAY DEVICE
- Publication number 20130016136
- Publication date Jan 17, 2013
- SONY CORPORATION
- Toshifumi Yasui
- G02 - OPTICS
Information Patent Application
ILLUMINATION DEVICE AND DISPLAY UNIT
- Publication number 20120249918
- Publication date Oct 4, 2012
- SONY CORPORATION
- Toshifumi Yasui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OBJECT LENS, OPTICAL PICKUP, AND OPTICAL DISC DEVICE
- Publication number 20110075543
- Publication date Mar 31, 2011
- SONY CORPORATION
- Kazumasa KANEDA
- G11 - INFORMATION STORAGE
Information Patent Application
OBJECTIVE LENS, OPTICAL PICKUP, AND OPTICAL DISC APPARATUS
- Publication number 20100322059
- Publication date Dec 23, 2010
- SONY CORPORATION
- Toshifumi Yasui
- G02 - OPTICS
Information Patent Application
OBJECTIVE LENS, OPTICAL PICKUP AND OPTICAL DISC APPARATUS
- Publication number 20100322060
- Publication date Dec 23, 2010
- SONY CORPORATION
- Toshifumi Yasui
- G02 - OPTICS
Information Patent Application
OBJECTIVE LENS, OPTICAL PICKUP AND OPTICAL DISK APPARATUS
- Publication number 20100188960
- Publication date Jul 29, 2010
- SONY CORPORATION
- Toshifumi Yasui
- G11 - INFORMATION STORAGE
Information Patent Application
CONDENSING OPTICAL DEVICE, OPTICAL PICKUP, AND OPTICAL DISC APPARATUS
- Publication number 20100054109
- Publication date Mar 4, 2010
- SONY CORPORATION
- Toshifumi Yasui
- G11 - INFORMATION STORAGE
Information Patent Application
OBJECT LENS, OPTICAL PICKUP, AND OPTICAL DISC DEVICE
- Publication number 20090034398
- Publication date Feb 5, 2009
- SONY CORPORATION
- Kazumasa KANEDA
- G11 - INFORMATION STORAGE

Toshifumi Yasui

Person

Patents Grantslast 30 patents

Optical system and projector

Projection optical system and projector

Irradiation optical system and projector

Projection display unit

Irradiation optical system and projector

Image projection apparatus and image projection method

Illumination device and display device

Illumination device and display unit for suppressing luminance unev...

Illumination device and display unit including a light source secti...

Projection display

Objective lens, optical pickup and optical disc apparatus

Objective lens, optical pickup, and optical disc apparatus

Objective lens, optical pickup and optical disk apparatus

Object lens, optical pickup, and optical disc device

Condensing optical device, optical pickup, and optical disc apparatus

Object lens, optical pickup, and optical disc device

Patents Applicationslast 30 patents

PROJECTION OPTICAL SYSTEM AND PROJECTOR

OPTICAL SYSTEM AND PROJECTOR

ILLUMINATION UNIT AND DISPLAY APPARATUS

IRRADIATION OPTICAL SYSTEM AND PROJECTOR

PROJECTION DISPLAY UNIT

IRRADIATION OPTICAL SYSTEM AND PROJECTOR

IMAGE PROJECTION APPARATUS AND IMAGE PROJECTION METHOD

ILLUMINATION DEVICE AND DISPLAY UNIT

PROJECTION DISPLAY

ILLUMINATION DEVICE AND DISPLAY DEVICE

ILLUMINATION DEVICE AND DISPLAY DEVICE

ILLUMINATION DEVICE AND DISPLAY UNIT

OBJECT LENS, OPTICAL PICKUP, AND OPTICAL DISC DEVICE

OBJECTIVE LENS, OPTICAL PICKUP, AND OPTICAL DISC APPARATUS

OBJECTIVE LENS, OPTICAL PICKUP AND OPTICAL DISC APPARATUS

OBJECTIVE LENS, OPTICAL PICKUP AND OPTICAL DISK APPARATUS

CONDENSING OPTICAL DEVICE, OPTICAL PICKUP, AND OPTICAL DISC APPARATUS

OBJECT LENS, OPTICAL PICKUP, AND OPTICAL DISC DEVICE