Yoshikazu Sugiyama

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Catadioptric photographic lens
- Patent number 10,228,548
- Issue date Mar 12, 2019
- Nikon Corporation
- Yoshikazu Sugiyama
- G02 - OPTICS
Information Patent Grant
Catadioptric imaging lens
- Patent number 9,395,525
- Issue date Jul 19, 2016
- Nikon Corporation
- Miho Matsumoto
- G02 - OPTICS
Information Patent Grant
Display apparatus and display method
- Patent number 8,933,878
- Issue date Jan 13, 2015
- Nikon Corporation
- Yoshikazu Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Illumination optical system and laser processor having the same
- Patent number 6,894,839
- Issue date May 17, 2005
- Ishikawajima-Harima Heavy Industries Co., Ltd.
- Yoshikazu Sugiyama
- G02 - OPTICS
Information Patent Grant
Differential polarization interference microscope for surface featu...
- Patent number 5,914,782
- Issue date Jun 22, 1999
- Nikon Corporation
- Yoshikazu Sugiyama
- G01 - MEASURING TESTING
Information Patent Grant
Wide angle lens
- Patent number 5,557,473
- Issue date Sep 17, 1996
- Nikon Corporation
- Yoshikazu Sugiyama
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
CATADIOPTRIC PHOTOGRAPHIC LENS
- Publication number 20150346470
- Publication date Dec 3, 2015
- Nikon Corporation
- Yoshikazu SUGIYAMA
- G02 - OPTICS
Information Patent Application
CATADIOPTRIC IMAGING LENS
- Publication number 20140211330
- Publication date Jul 31, 2014
- Miho Matsumoto
- G02 - OPTICS
Information Patent Application
Illumination optical system and laser processor having the same
- Publication number 20020163730
- Publication date Nov 7, 2002
- Yoshikazu Sugiyama
- G02 - OPTICS