Masukazu Hirata

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Ibaraki-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Functional sheet and lens using same
- Patent number 10,534,199
- Issue date Jan 14, 2020
- Mitsubishi Gas Chemical Company, Inc.
- Akio Ohkubo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Oxygen-absorbing component, oxygen absorbent package and oxygen-abs...
- Patent number 6,254,946
- Issue date Jul 3, 2001
- Mitsubishi Gas Chemical Company, Inc.
- Masukazu Hirata
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Deoxidizing multilayered body and method or manufacturing the same
- Patent number 6,117,538
- Issue date Sep 12, 2000
- Mitsubishi Gas Chemical Company, Inc.
- Masukazu Hirata
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Waveguide type optical device with optical receptacles
- Patent number 5,448,667
- Issue date Sep 5, 1995
- Mitsubishi Gas Chemical Company, Inc.
- Mitsuzo Arii
- G02 - OPTICS
Information Patent Grant
Interconnectable multi-terminal star coupler
- Patent number 5,343,545
- Issue date Aug 30, 1994
- Fuji Xerox Co., Ltd.
- Takeshi Ota
- G02 - OPTICS
Information Patent Grant
Process for producing silica glass plate having controlled refracti...
- Patent number 5,160,358
- Issue date Nov 3, 1992
- Mitsubishi Gas Chemical Co., Inc.
- Osamu Kondo
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
FUNCTIONAL SHEET AND LENS USING SAME
- Publication number 20150160479
- Publication date Jun 11, 2015
- Mitsubishi Gas Chemical Company, Inc.
- Akio OHKUBO
- G02 - OPTICS
Information Patent Application
FUNCTIONAL SHEET AND LENS USING SAME
- Publication number 20120206689
- Publication date Aug 16, 2012
- MGC FILSHEET CO., LTD.
- Akio Ohkubo
- G02 - OPTICS
Information Patent Application
MULTI-LAYERED POLARIZING SHEET, AND A NON-GLARING PRODUCT AND A POL...
- Publication number 20080252972
- Publication date Oct 16, 2008
- MGC FILSHEET CO., LTD.
- Hiroyuki CHIDA
- G02 - OPTICS
Information Patent Application
NON-GLARING LAMINATED BODY, A COATED NON-GLARING LAMINATED BODY, A...
- Publication number 20080094704
- Publication date Apr 24, 2008
- MGC FILSHEET CO., LTD.
- Hideaki KIMURA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...