Niwa; Tatsuo

Patent Applications and Registrations

Patent applications and USPTO patent grants for Niwa; Tatsuo.The latest application filed is for "magnesium refining apparatus and magnesium refining method".

Company Profile

0.8.4

Niwa; Tatsuo - Sakura JP
NIWA; Tatsuo - Sakura-shi JP
Niwa; Tatsuo - Kawasaki JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Light concentrating optical element, light concentrating device, photovoltaic power generation device and photothermal conversion device Grant 9,196,778 - Niwa , et al. November 24, 2	2015-11-24
Magnesium Refining Apparatus And Magnesium Refining Method App 20150307960 - NIWA; Tatsuo ; et al.	2015-10-29
Magnesium Refining Apparatus And Magnesium Refining Method App 20150307963 - NIWA; Tatsuo ; et al.	2015-10-29
Light condensing device, photovoltaic power generation device and photo-thermal conversion device Grant 9,046,279 - Niwa , et al. June 2, 2	2015-06-02
Light Condensing Device, Photovoltaic Power Generation Device And Photo-thermal Conversion Device App 20140224301 - NIWA; Tatsuo ; et al.	2014-08-14
Light Concentrating Optical Element, Light Concentrating Device, Photovoltaic Power Generation Device And Photothermal Conversion Device App 20130118554 - NIWA; Tatsuo ; et al.	2013-05-16
Method for producing electrochromic device with application of AC voltage between the electrode layers Grant 5,011,582 - Oshikawa , et al. April 30, 1	1991-04-30
Eyeglass frame for electrooptical lenses Grant 4,991,951 - Mizuno , et al. February 12, 1	1991-02-12
Electrochromic device Grant 4,824,221 - Endo , et al. April 25, 1	1989-04-25
Dispersed iridium based complementary electrochromic device Grant 4,652,090 - Uchikawa , et al. March 24, 1	1987-03-24
All solid type electrochromic display element Grant 4,433,901 - Takahashi , et al. February 28, 1	1984-02-28
All solid state electrochromic device Grant 4,350,414 - Takahashi , et al. September 21, 1	1982-09-21

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