Masatoshi Toda

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Surface light source device, light guide element used for surface l...
- Patent number 9,097,831
- Issue date Aug 4, 2015
- Mitsubishi Rayon Co., Ltd.
- Kenji Yagi
- G02 - OPTICS
Information Patent Grant
Defect counting method and apparatus
- Patent number 5,048,093
- Issue date Sep 10, 1991
- Mitsubishi Rayon Company, Ltd.
- Hiroaki Kimura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Plug for optical fiber cable
- Patent number 4,974,924
- Issue date Dec 4, 1990
- Mitsubishi Rayon Company Ltd.
- Hiroshi Okada
- G02 - OPTICS
Information Patent Grant
Optical coupler and process for preparation thereof
- Patent number 4,966,432
- Issue date Oct 30, 1990
- Mitsubishi Rayon Company, Ltd.
- Hiroshi Okada
- G02 - OPTICS
Information Patent Grant
Mode scrambler
- Patent number 4,934,787
- Issue date Jun 19, 1990
- Mitsubishi Rayon Co., Ltd.
- Kiyoshi Ichimura
- G02 - OPTICS
Information Patent Grant
Optical coupler and process for preparation thereof
- Patent number 4,911,514
- Issue date Mar 27, 1990
- Mitsubishi Rayon Company, Ltd.
- Hiroshi Okada
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FILM, METHOD FOR PRODUCING OPTICAL FILM, AND SURFACE LIGHT-...
- Publication number 20160123552
- Publication date May 5, 2016
- MITSUBISHI RAYON CO., LTD.
- Daichi OKUNO
- G02 - OPTICS
Information Patent Application
SURFACE LIGHT SOURCE DEVICE, LIGHT GUIDE ELEMENT USED FOR SURFACE L...
- Publication number 20130003412
- Publication date Jan 3, 2013
- Mitsubishi Rayon Co., Ltd.
- Kenji Yagi
- G02 - OPTICS
Information Patent Application
LIGHT REGULATING FILM, LAMINATED LIGHT REGULATING FILM, AND METHOD...
- Publication number 20100175820
- Publication date Jul 15, 2010
- Mitsubishi Rayon Co., Ltd.
- Yoshihiro Uozu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Light polarizing sheet and manufacturing method for same
- Publication number 20090213464
- Publication date Aug 27, 2009
- Yoshiya Kurachi
- G02 - OPTICS
Information Patent Application
Light regulating film, laminated light regulating film, and method...
- Publication number 20080220214
- Publication date Sep 11, 2008
- Mitsubishi Rayon Co., Ltd.
- Yoshihiro Uozu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL