Shu TANAKA

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical device, retinal projection display, head-mounted display, a...
- Patent number 11,803,057
- Issue date Oct 31, 2023
- Ricoh Company, Ltd.
- Suguru Sangu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical device, retinal projection display, head-mounted display, a...
- Patent number 11,334,153
- Issue date May 17, 2022
- Ricoh Company, Ltd.
- Suguru Sangu
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DEVICE, RETINAL PROJECTION DISPLAY, AND HEAD-MOUNTED DISPLAY
- Publication number 20240142771
- Publication date May 2, 2024
- Shu TANAKA
- G02 - OPTICS
Information Patent Application
RETINAL PROJECTION DISPLAY DEVICE, HEAD-MOUNTED DISPLAY DEVICE, AND...
- Publication number 20240111160
- Publication date Apr 4, 2024
- Shu TANAKA
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE, IMAGE DISPLAY, AND OPTOMETRIC APPARATUS
- Publication number 20220236563
- Publication date Jul 28, 2022
- Shu TANAKA
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE, RETINAL PROJECTION DISPLAY, HEAD-MOUNTED DISPLAY, A...
- Publication number 20200285058
- Publication date Sep 10, 2020
- Suguru SANGU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTICAL DEVICE, RETINAL PROJECTION DISPLAY, HEAD-MOUNTED DISPLAY, A...
- Publication number 20200174564
- Publication date Jun 4, 2020
- RICOH COMPANY, LTD.
- Suguru SANGU
- G06 - COMPUTING CALCULATING COUNTING