Tohru Sugiyama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Color correction device for medical apparatus
- Patent number 12,048,415
- Issue date Jul 30, 2024
- Dai Nippon Printing Co., Ltd.
- Yoshihiko Ogino
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Color monitor white chromaticity measuring device
- Patent number 7,538,791
- Issue date May 26, 2009
- Dai Nippon Printing Co., Ltd.
- Tohru Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color measuring method and device for printed matter
- Patent number 6,671,050
- Issue date Dec 30, 2003
- Dai Nippon Printing Co., Ltd.
- Tohru Sugiyama
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
COLOR CORRECTION DEVICE FOR MEDICAL APPARATUS
- Publication number 20220095891
- Publication date Mar 31, 2022
- DAI NIPPON PRINTING CO., LTD.
- Yoshihiko OGINO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Color monitor white chromaticity measuring device
- Publication number 20060164513
- Publication date Jul 27, 2006
- Tohru Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Tone reproduction characteristics measuring device for color monitor
- Publication number 20060132867
- Publication date Jun 22, 2006
- Tohru Sugiyama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Color measuring method and device for printed matter
- Publication number 20020135768
- Publication date Sep 26, 2002
- DAI NIPPON PRINTING CO. , LTD.
- Tohru Sugiyama
- G01 - MEASURING TESTING