Tatsuo NIWA

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Patents Grantslast 30 patents

Information Patent Grant
Light concentrating optical element, light concentrating device, ph...
- Patent number 9,196,778
- Issue date Nov 24, 2015
- Nikon Corporation
- Tatsuo Niwa
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Light condensing device, photovoltaic power generation device and p...
- Patent number 9,046,279
- Issue date Jun 2, 2015
- Nikon Corporation
- Tatsuo Niwa
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Circuit forming method and apparatus therefor
- Patent number 5,641,597
- Issue date Jun 24, 1997
- Nikon Corporation
- Yoshijiro Ushio
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
High resolution read-only magneto-optical disk and method and appar...
- Patent number 5,532,984
- Issue date Jul 2, 1996
- Nikon Corporation
- Hiroyuki Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for producing electrochromic device with application of AC v...
- Patent number 5,011,582
- Issue date Apr 30, 1991
- Nikon Corporation
- Satoru Oshikawa
- G02 - OPTICS
Information Patent Grant
Eyeglass frame for electrooptical lenses
- Patent number 4,991,951
- Issue date Feb 12, 1991
- Nikon Corporation
- Mitsuyoshi Mizuno
- G02 - OPTICS
Information Patent Grant
Electrochromic device
- Patent number 4,824,221
- Issue date Apr 25, 1989
- Nikon Corporation
- Tatuso Endo
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
MAGNESIUM REFINING APPARATUS AND MAGNESIUM REFINING METHOD
- Publication number 20150307960
- Publication date Oct 29, 2015
- Nikon Corporation
- Tatsuo NIWA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MAGNESIUM REFINING APPARATUS AND MAGNESIUM REFINING METHOD
- Publication number 20150307963
- Publication date Oct 29, 2015
- Nikon Corporation
- Tatsuo NIWA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
LIGHT CONDENSING DEVICE, PHOTOVOLTAIC POWER GENERATION DEVICE AND P...
- Publication number 20140224301
- Publication date Aug 14, 2014
- Tatsuo NIWA
- G02 - OPTICS
Information Patent Application
LIGHT CONCENTRATING OPTICAL ELEMENT, LIGHT CONCENTRATING DEVICE, PH...
- Publication number 20130118554
- Publication date May 16, 2013
- Nikon Corporation
- Tatsuo NIWA
- G02 - OPTICS