Shun OKAZAKI

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Propagation optical system and virtual image display device
- Patent number 12,181,673
- Issue date Dec 31, 2024
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
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 with adjuster
- Patent number 11,656,461
- Issue date May 23, 2023
- Ricoh Company, Ltd.
- Aino Hasegawa
- G02 - OPTICS

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
LIGHT IRRADIATION DEVICE AND LIGHT IRRADIATION METHOD
- Publication number 20220327696
- Publication date Oct 13, 2022
- RICOH COMPANY, LTD.
- Takuya Nagano
- G06 - COMPUTING CALCULATING COUNTING
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