Tokunaga; Nobuyuki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tokunaga; Nobuyuki.The latest application filed is for "fluorine gas generating apparatus".
- Tokunaga; Nobuyuki - Ube N/A JP
- Tokunaga; Nobuyuki - Ube-shi JP
| Patent | Date |
|---|---|
| Method and device for measuring water content in hydrogen fluoride-containing fluoride salt compounds Grant 9,097,688 - Kikuchi , et al. August 4, 2 | 2015-08-04 |
| Fluorine gas generating apparatus Grant 8,951,393 - Yao , et al. February 10, 2 | 2015-02-10 |
| Fluorine gas generating apparatus Grant 8,864,960 - Yao , et al. October 21, 2 | 2014-10-21 |
| Fluorine gas generating apparatus Grant 8,864,961 - Kikuchi , et al. October 21, 2 | 2014-10-21 |
| Fluorine Gas Generating Apparatus App 20130008781 - Kikuchi; Akiou ; et al. | 2013-01-10 |
| Method and Device for Measuring Water Content in Hydrogen Fluoride-Containing Compound App 20120322158 - Kikuchi; Akiou ; et al. | 2012-12-20 |
| Fluorine Gas Generating Apparatus App 20120292180 - Yao; Akifumi ; et al. | 2012-11-22 |
| Fluorine Gas Generating Apparatus App 20120241313 - Yao; Akifumi ; et al. | 2012-09-27 |
| Method of forming tungsten carbide by chemical vapor deposition Grant 4,980,201 - Tokunaga , et al. December 25, 1 | 1990-12-25 |
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