Takehiko HAGIHARA

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Azumino-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light source device and projector
- Patent number 11,815,797
- Issue date Nov 14, 2023
- Seiko Epson Corporation
- Takehiko Hagihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source device and projector
- Patent number 11,662,653
- Issue date May 30, 2023
- Seiko Epson Corporation
- Takehiko Hagihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source apparatus and projector
- Patent number 11,619,869
- Issue date Apr 4, 2023
- Seiko Epson Corporation
- Takehiko Hagihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Diffusion apparatus, optical apparatus, and projector
- Patent number 11,543,617
- Issue date Jan 3, 2023
- Seiko Epson Corporation
- Takehiko Hagihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
- Publication number 20230148318
- Publication date May 11, 2023
- SEIKO EPSON CORPORATION
- Takehiko HAGIHARA
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
- Publication number 20230147140
- Publication date May 11, 2023
- SEIKO EPSON CORPORATION
- Takehiko HAGIHARA
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE APPARATUS AND PROJECTOR
- Publication number 20210318599
- Publication date Oct 14, 2021
- SEIKO EPSON CORPORATION
- Takehiko HAGIHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIFFUSION APPARATUS, OPTICAL APPARATUS, AND PROJECTOR
- Publication number 20210286147
- Publication date Sep 16, 2021
- SEIKO EPSON CORPORATION
- Takehiko HAGIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY