Satoshi FUJISAWA

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Tatsuno, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical filter device, optical module, and electronic apparatus
- Patent number 11,493,748
- Issue date Nov 8, 2022
- Seiko Epson Corporation
- Daisuke Saito
- G01 - MEASURING TESTING
Information Patent Grant
Optical filter device, optical module, and electronic apparatus
- Patent number 10,684,463
- Issue date Jun 16, 2020
- Seiko Epson Corporation
- Daisuke Saito
- G02 - OPTICS
Information Patent Grant
Optical filter device, optical module, and electronic apparatus
- Patent number 10,330,917
- Issue date Jun 25, 2019
- Seiko Epson Corporation
- Daisuke Saito
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical Filter Device, Optical Module, And Electronic Apparatus
- Publication number 20200264425
- Publication date Aug 20, 2020
- SEIKO EPSON CORPORATION
- Daisuke SAITO
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL FILTER DEVICE, OPTICAL MODULE, AND ELECTRONIC APPARATUS
- Publication number 20190146206
- Publication date May 16, 2019
- SEIKO EPSON CORPORATION
- Daisuke SAITO
- G02 - OPTICS
Information Patent Application
OPTICAL FILTER DEVICE, OPTICAL MODULE, AND ELECTRONIC APPARATUS
- Publication number 20160091644
- Publication date Mar 31, 2016
- SEIKO EPSON CORPORATION
- Daisuke SAITO
- G02 - OPTICS
Information Patent Application
DROPLET EJECTION HEAD, DROPLET EJECTION DEVICE, AND METHOD OF FORMI...
- Publication number 20080239006
- Publication date Oct 2, 2008
- SEIKO EPSON CORPORATION
- Yasushi MATSUNO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS