Patent | Date |
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Rotary hearth furnace, and method for producing reduced iron using rotary hearth furnace Grant 11,428,468 - Uemura , et al. August 30, 2 | 2022-08-30 |
Reduced iron production method and device Grant 10,571,193 - Hatakeyama , et al. Feb | 2020-02-25 |
Rotary Hearth Furnace, And Method For Producing Reduced Iron Using Rotary Hearth Furnace App 20190301800 - UEMURA; Tomoki ;   et al. | 2019-10-03 |
Reduced Iron Production Method And Production Apparatus App 20190169704 - UEMURA; Tomoki ;   et al. | 2019-06-06 |
Reduced Iron Production Method And Device App 20180017326 - HATAKEYAMA; Taiji ;   et al. | 2018-01-18 |
Feeding system for reduced iron material Grant 8,915,352 - Tsuge , et al. December 23, 2 | 2014-12-23 |
III-nitride single-crystal ingot, III-nitride single-crystal substrate, method of manufacturing III-nitride single-crystal ingot, and method of manufacturing III-nitride single-crystal substrate Grant 8,845,992 - Okahisa , et al. September 30, 2 | 2014-09-30 |
Group III nitride semiconductor crystal substrate and semiconductor device Grant 8,698,282 - Okahisa , et al. April 15, 2 | 2014-04-15 |
Feeding System For Reduced Iron Material App 20130153368 - Tsuge; Osamu ;   et al. | 2013-06-20 |
GaN single-crystal mass and method of its manufacture, and semiconductor device and method of its manufacture Grant 8,294,245 - Nakahata , et al. October 23, 2 | 2012-10-23 |
Method For Manufacturing Gallium Nitride Crystal And Gallium Nitride Wafer App 20120164058 - UEMURA; Tomoki ;   et al. | 2012-06-28 |
Method for manufacturing gallium nitride crystal and gallium nitride wafer Grant 8,147,612 - Uemura , et al. April 3, 2 | 2012-04-03 |
GaxIn1-xN Substrate and GaxIn1-xN Substrate Cleaning Method App 20110132410 - Uemura; Tomoki ;   et al. | 2011-06-09 |
Al.sub.xGa.sub.yIn.sub.1-x-yN crystal substrate, semiconductor device, and method of manufacturing the same Grant 7,943,964 - Fujiwara , et al. May 17, 2 | 2011-05-17 |
III-Nitride Single-Crystal Ingot, III-Nitride Single-Crystal Substrate, Method of Manufacturing III-Nitride Single-Crystal Ingot, and Method of Manufacturing III-Nitride Single-Crystal Substrate App 20100322841 - Okahisa; Takuji ;   et al. | 2010-12-23 |
GaN Single-Crystal Mass and Method of Its Manufacture, and Semiconductor Device and Method of Its Manufacture App 20100314625 - NAKAHATA; Hideaki ;   et al. | 2010-12-16 |
Group III Nitride Semiconductor Crystal Substrate and Semiconductor Device App 20100164070 - OKAHISA; Takuji ;   et al. | 2010-07-01 |
Method For Manufacturing Gallium Nitride Crystal And Gallium Nitride Wafer App 20090194848 - Uemura; Tomoki ;   et al. | 2009-08-06 |
A1xGa yIn 1-x-yN CRYSTAL SUBSTRATE, SEMICONDUCTOR DEVICE, AND METHOD OF MANUFACTURING THE SAME App 20090194847 - Fujiwara; Shinsuke ;   et al. | 2009-08-06 |
Group Iii Nitride Semiconductor Crystal Growing Method, Group Iii Nitride Semiconductor Crystal Substrate Fabrication Method, And Group Iii Nitride Semiconductor Crystal Substrate App 20090127664 - OKAHISA; Takuji ;   et al. | 2009-05-21 |
Group Iii Nitride Semiconductor Crystal Growing Method, Group Iii Nitride Semiconductor Crystal Substrate Fabrication Method, And Group Iii Nitride Semiconductor Crystal Substrate App 20090127663 - Okahisa; Takuji ;   et al. | 2009-05-21 |
Group Iii Nitride Semiconductor Crystal Substrate And Semiconductor Device App 20090127662 - Okahisa; Takuji ;   et al. | 2009-05-21 |
Method for Producing GaxIn1-xN(0<x>) Crystal Gaxin1-xn(0<x<1) Crystalline Substrate, Method for Producing GaN Crystal, GaN Crystalline Substrate, and Product App 20090032907 - Uemura; Tomoki ;   et al. | 2009-02-05 |
ALxGayIn1-x-yN substrate, cleaning method of AIxGayIn1-x-yN substrate, AIN substrate, and cleaning method of AIN substrate App 20080299375 - Uemura; Tomoki ;   et al. | 2008-12-04 |
Method of Cleaning Gaas Substrate, Method of Producing Gaas Substrate, Method of Fabricating Epitaxial Susbstrate, and Gaas Wafer App 20080292877 - Horie; Yusuke ;   et al. | 2008-11-27 |
Method of surface treating substrates and method of manufacturing III-V compound semiconductors Grant 7,432,186 - Nishiura , et al. October 7, 2 | 2008-10-07 |
Al.sub.xGa.sub.yIn.sub.l-x-yN substrate, cleaning method of Al.sub.xGa.sub.yIn.sub.l-x-yN substrate, AlN substrate, and cleaning method of AlN substrate Grant 7,387,989 - Uemura , et al. June 17, 2 | 2008-06-17 |
Method of Surface Treating Substrates and Method of Manufacturing III-V Compound Semiconductors App 20070014915 - Nishiura; Takayuki ;   et al. | 2007-01-18 |
AlxGayIn1-x-yN substrate, cleaning method of AlxGayIn1-x-yN substrate, AIN substrate, and cleaning method of AIN substrate App 20060003134 - Uemura; Tomoki ;   et al. | 2006-01-05 |
Method for separating chips from diamond wafer Grant 6,805,808 - Fujii , et al. October 19, 2 | 2004-10-19 |
Method for making high-purity naphthalenedicarboxylic acid Grant 6,717,009 - Motoyuki , et al. April 6, 2 | 2004-04-06 |
Diamond substrate for surface acoustic wave device, and surface acoustic wave device Grant 6,661,152 - Ishibashi , et al. December 9, 2 | 2003-12-09 |
Diamond substrate for surface acoustic wave device, and surface acoustic wave device App 20030137217 - Ishibashi, Keiji ;   et al. | 2003-07-24 |
Method for separating chips from diamond wafer App 20030127428 - Fujii, Satoshi ;   et al. | 2003-07-10 |
Method for making high-purity naphthalenedicarboxylic acid App 20030078452 - Motoyuki, Masahiro ;   et al. | 2003-04-24 |
Hard carbon film and surface-acoustic-wave substrate Grant 6,448,688 - Fujii , et al. September 10, 2 | 2002-09-10 |
Method for manufacturing 2,6-dimethylnaphthalene App 20020065447 - Yoshida, Shingo ;   et al. | 2002-05-30 |
Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device Grant 6,356,006 - Fujii , et al. March 12, 2 | 2002-03-12 |
Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device App 20010044029 - Fujii, Satoshi ;   et al. | 2001-11-22 |
Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device Grant 6,320,296 - Fujii , et al. November 20, 2 | 2001-11-20 |
Hard carbon film and surface-acoustic-wave substrate App 20010030795 - Fujii, Satoshi ;   et al. | 2001-10-18 |
Diamond-ZnO surface acoustic wave device Grant 5,959,389 - Nakahata , et al. September 28, 1 | 1999-09-28 |