Norikazu IGARASHI

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Virtual image display device
- Patent number 12,099,207
- Issue date Sep 24, 2024
- Ricoh Company, Ltd.
- Naoki Nakamura
- G02 - OPTICS
Information Patent Grant
Head-mounted display device containing relay optical system between...
- Patent number 11,960,096
- Issue date Apr 16, 2024
- Ricoh Company, Ltd.
- Shigenobu Hirano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Head-mounted display device with adjuster
- Patent number 11,656,461
- Issue date May 23, 2023
- Ricoh Company, Ltd.
- Aino Hasegawa
- G02 - OPTICS
Information Patent Grant
Display apparatus and display method
- Patent number 11,143,870
- Issue date Oct 12, 2021
- Ricoh Company, Ltd.
- Norikazu Igarashi
- G02 - OPTICS
Information Patent Grant
Apparatus, system, and method of information sharing, and recording...
- Patent number 10,670,421
- Issue date Jun 2, 2020
- Ricoh Company, Ltd.
- Yuuto Gotoh
- G01 - MEASURING TESTING
Information Patent Grant
Image forming apparatus and method of correcting color registration...
- Patent number 9,020,406
- Issue date Apr 28, 2015
- Ricoh Company, Ltd.
- Norikazu Igarashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and method
- Patent number 8,862,002
- Issue date Oct 14, 2014
- Ricoh Company, Ltd.
- Norikazu Igarashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
LIGHT GUIDE MEMBER AND DISPLAY DEVICE
- Publication number 20230280592
- Publication date Sep 7, 2023
- Naoki NAKAMURA
- G02 - OPTICS
Information Patent Application
LIGHT GUIDE AND VIRTUAL-IMAGE DISPLAY DEVICE
- Publication number 20230003931
- Publication date Jan 5, 2023
- Naoki NAKAMURA
- G02 - OPTICS
Information Patent Application
LENS UNIT, OPTICAL SYSTEM, AND ELECTRONIC APPARATUS
- Publication number 20220252838
- Publication date Aug 11, 2022
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
VIRTUAL IMAGE DISPLAY DEVICE
- Publication number 20220057640
- Publication date Feb 24, 2022
- Naoki NAKAMURA
- G02 - OPTICS
Information Patent Application
PROPAGATION OPTICAL SYSTEM AND VIRTUAL IMAGE DISPLAY DEVICE
- Publication number 20220026716
- Publication date Jan 27, 2022
- Ricoh Company, Ltd.
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
HEAD-MOUNTED DISPLAY DEVICE
- Publication number 20210165221
- Publication date Jun 3, 2021
- Aino HASEGAWA
- G02 - OPTICS
Information Patent Application
HEAD-MOUNTED DISPLAY DEVICE AND DISPLAY SYSTEM
- Publication number 20200400962
- Publication date Dec 24, 2020
- Shigenobu HIRANO
- G02 - OPTICS
Information Patent Application
IMAGE DISPLAY SYSTEM, IMAGE DISPLAY METHOD, AND WEARABLE DISPLAY DE...
- Publication number 20200400954
- Publication date Dec 24, 2020
- Satomi Tanaka
- G02 - OPTICS
Information Patent Application
DISPLAY APPARATUS AND DISPLAY METHOD
- Publication number 20190353908
- Publication date Nov 21, 2019
- Norikazu IGARASHI
- G02 - OPTICS
Information Patent Application
APPARATUS, SYSTEM, AND METHOD OF INFORMATION SHARING, AND RECORDING...
- Publication number 20170328733
- Publication date Nov 16, 2017
- Yuuto GOTOH
- G02 - OPTICS
Information Patent Application
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AN...
- Publication number 20170171719
- Publication date Jun 15, 2017
- Norikazu IGARASHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE FORMING APPARATUS AND METHOD OF CORRECTING COLOR REGISTRATION...
- Publication number 20140169843
- Publication date Jun 19, 2014
- RICOH COMPANY, LTD.
- Norikazu IGARASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND METHOD
- Publication number 20130064580
- Publication date Mar 14, 2013
- Norikazu IGARASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Norikazu IGARASHI

Person

Patents Grantslast 30 patents

Virtual image display device

Head-mounted display device containing relay optical system between...

Head-mounted display device with adjuster

Display apparatus and display method

Apparatus, system, and method of information sharing, and recording...

Image forming apparatus and method of correcting color registration...

Image forming apparatus and method

Patents Applicationslast 30 patents

LIGHT GUIDE MEMBER AND DISPLAY DEVICE

LIGHT GUIDE AND VIRTUAL-IMAGE DISPLAY DEVICE

LENS UNIT, OPTICAL SYSTEM, AND ELECTRONIC APPARATUS

VIRTUAL IMAGE DISPLAY DEVICE

PROPAGATION OPTICAL SYSTEM AND VIRTUAL IMAGE DISPLAY DEVICE

HEAD-MOUNTED DISPLAY DEVICE

HEAD-MOUNTED DISPLAY DEVICE AND DISPLAY SYSTEM

IMAGE DISPLAY SYSTEM, IMAGE DISPLAY METHOD, AND WEARABLE DISPLAY DE...

DISPLAY APPARATUS AND DISPLAY METHOD

APPARATUS, SYSTEM, AND METHOD OF INFORMATION SHARING, AND RECORDING...

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AN...

IMAGE FORMING APPARATUS AND METHOD OF CORRECTING COLOR REGISTRATION...

IMAGE FORMING APPARATUS AND METHOD