Kikkawa; Toshihide

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kikkawa; Toshihide.The latest application filed is for "enhancement mode iii-nitride devices having an al1-xsixo gate insulator".

Company Profile

1.93.88

Kikkawa; Toshihide - Goleta CA
Kikkawa; Toshihide - Kawasaki JP
Kikkawa; Toshihide - Machida JP
Kikkawa; Toshihide - Aizu-Wakamatsu JP
Kikkawa; Toshihide - Akiruno JP
Kikkawa; Toshihide - Kawasaki-shi 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
Enhancement mode III-nitride devices having an Al.sub.1-.sub.xSi.sub.xO gate insulator Grant 11,322,599 - Neufeld , et al. May 3, 2	2022-05-03
Enhancement Mode Iii-nitride Devices Having An Al1-xsixo Gate Insulator App 20210043750 - Neufeld; Carl Joseph ; et al.	2021-02-11
Semiconductor device and manufacturing method of semiconductor device Grant 9,818,840 - Kikkawa November 14, 2	2017-11-14
Semiconductor Device And Manufacturing Method Of Semiconductor Device App 20170207319 - Kikkawa; Toshihide	2017-07-20
Semiconductor device and manufacturing method of semiconductor device Grant 9,640,648 - Kikkawa May 2, 2	2017-05-02
Semiconductor device Grant 9,608,083 - Ozaki , et al. March 28, 2	2017-03-28
Recessed ohmic contacts in a III-N device Grant 9,536,967 - Kikkawa , et al. January 3, 2	2017-01-03
Semiconductor Device And Manufacturing Method Thereof App 20160343843 - Nishimori; Masato ; et al.	2016-11-24
Compound semiconductor device comprising compound semiconductor layered structure having buffer layer and method of manufacturing the same Grant 9,496,380 - Minoura , et al. November 15, 2	2016-11-15
Compound semiconductor device and method of manufacturing the same Grant 9,478,539 - Kikkawa October 25, 2	2016-10-25
Compound Semiconductor Device And Method Of Manufacturing The Same App 20160307998 - KIKKAWA; Toshihide	2016-10-20
Manufacturing method of semiconductor device including indium Grant 9,437,723 - Nishimori , et al. September 6, 2	2016-09-06
Compound semiconductor device and method of manufacturing the same Grant 9,412,812 - Kikkawa August 9, 2	2016-08-09
Recessed Ohmic Contacts In A Iii-n Device App 20160172455 - Kikkawa; Toshihide ; et al.	2016-06-16
Semiconductor Device And Manufacturing Method Of Semiconductor Device App 20160172476 - Kikkawa; Toshihide	2016-06-16
Method of manufacturing compound semiconductor device Grant 9,368,359 - Makiyama , et al. June 14, 2	2016-06-14
Compound semiconductor device and method of manufacturing the same Grant 9,331,190 - Kanamura , et al. May 3, 2	2016-05-03
Semiconductor device and manufacturing method of semiconductor device Grant 9,299,822 - Kikkawa March 29, 2	2016-03-29
Semiconductor device and method for manufacturing semiconductor device Grant 9,276,072 - Nishimori , et al. March 1, 2	2016-03-01
Semiconductor device having a gate recess structure Grant 9,276,100 - Endo , et al. March 1, 2	2016-03-01
Compound semiconductor device and manufacturing method of the same Grant 9,224,848 - Kikkawa December 29, 2	2015-12-29
Compound Semiconductor Device And Method Of Manufacturing The Same App 20150333135 - MAKIYAMA; Kozo ; et al.	2015-11-19
Compound semiconductor device having overhang-shaped gate Grant 9,184,272 - Makiyama , et al. November 10, 2	2015-11-10
Semiconductor Device App 20150279956 - Ozaki; Shirou ; et al.	2015-10-01
Compound semiconductor device Grant 9,147,761 - Kikkawa September 29, 2	2015-09-29
Compound semiconductor device and method of manufacturing the same Grant 9,142,658 - Kikkawa , et al. September 22, 2	2015-09-22
Method of removing a compound semiconductor layer from a compound semiconductor device Grant 9,034,722 - Minoura , et al. May 19, 2	2015-05-19
Semiconductor Device And Method For Manufacturing Semiconductor Device App 20150129888 - Nishimori; Masato ; et al.	2015-05-14
Compound Semiconductor Device And Manufacturing Method Of The Same App 20150078038 - Kikkawa; Toshihide	2015-03-19
Compound semiconductor device and manufacturing method thereof Grant 8,969,159 - Imanishi , et al. March 3, 2	2015-03-03
Semiconductor Device And Manufacturing Method Thereof App 20150041860 - Nishimori; Masato ; et al.	2015-02-12
Compound semiconductor device and manufacturing method of the same Grant 8,933,489 - Kikkawa January 13, 2	2015-01-13
Compound semiconductor device including first film on compound semiconductor layer and second film on first film and method of manufacturing the same Grant 8,912,571 - Kanamura , et al. December 16, 2	2014-12-16
Compound Semiconductor Device App 20140353681 - Kikkawa; Toshihide	2014-12-04
Compound semiconductor device Grant 8,901,610 - Kikkawa December 2, 2	2014-12-02
Method of manufacturing compound semiconductor device Grant 8,896,022 - Imanishi , et al. November 25, 2	2014-11-25
Semiconductor device and method of fabricating the semiconductor device Grant 8,866,157 - Nakamura , et al. October 21, 2	2014-10-21
Compound semiconductor device and manufacturing method of the same Grant 8,841,706 - Kikkawa September 23, 2	2014-09-23
Compound semiconductor device and manufacturing method thereof Grant 8,816,408 - Makiyama , et al. August 26, 2	2014-08-26
Compound semiconductor device and method for manufacturing the same Grant 8,765,554 - Imada , et al. July 1, 2	2014-07-01
Compound Semiconductor Device And Method Of Manufacturing The Same App 20140091365 - Kikkawa; Toshihide ; et al.	2014-04-03
Semiconductor Device And Manufacturing Method Of Semiconductor Device App 20140091316 - KIKKAWA; Toshihide	2014-04-03
Compound semiconductor device and method for fabricating the same Grant 8,658,482 - Kikkawa February 25, 2	2014-02-25
Compound Semiconductor Device And Manufacturing Method Thereof App 20140038377 - IMANISHI; Kenji ; et al.	2014-02-06
Compound semiconductor device and manufacturing method of the same Grant 8,637,903 - Kikkawa January 28, 2	2014-01-28
Semiconductor device and method for manufacturing semiconductor device Grant 8,633,494 - Nishimori , et al. January 21, 2	2014-01-21
Compound Semiconductor Device And Method Of Manufacturing The Same App 20140016360 - Makiyama; Kozo ; et al.	2014-01-16
Compound semiconductor device Grant 8,614,461 - Kikkawa December 24, 2	2013-12-24
Compound semiconductor device and its manufacture method Grant 8,603,871 - Kikkawa December 10, 2	2013-12-10
Semiconductor device manufacturing method Grant 8,603,903 - Kanamura , et al. December 10, 2	2013-12-10
Compound Semiconductor Device App 20130313565 - KIKKAWA; Toshihide	2013-11-28
Compound semiconductor device and manufacturing method thereof Grant 8,586,433 - Minoura , et al. November 19, 2	2013-11-19
Compound semiconductor device and manufacturing method thereof Grant 8,581,335 - Imanishi , et al. November 12, 2	2013-11-12
Compound Semiconductor Device And Method Of Manufacturing The Same App 20130256829 - KIKKAWA; Toshihide	2013-10-03
Semiconductor Device And Method Of Fabricating The Semiconductor Device App 20130256690 - NAKAMURA; NORIKAZU ; et al.	2013-10-03
Compound Semiconductor Device And Manufacturing Method Of The Same App 20130258719 - Kikkawa; Toshihide	2013-10-03
Compound Semiconductor Device And Method Of Manufacturing The Same App 20130256684 - NISHIMORI; Masato ; et al.	2013-10-03
Compound Semiconductor Device And Manufacturing Method Of The Same App 20130248934 - Kikkawa; Toshihide	2013-09-26
Compound Semiconductor Device App 20130221370 - Kikkawa; Toshihide	2013-08-29
Method Of Manufacturing Compound Semiconductor Device App 20130210203 - Imanishi; Kenji ; et al.	2013-08-15
Compound semiconductor device and method of manufacturing the same Grant 8,507,329 - Kikkawa , et al. August 13, 2	2013-08-13
Compound semiconductor device and manufacturing method of the same Grant 8,466,029 - Kikkawa June 18, 2	2013-06-18
Compound semiconductor device including aln layer of controlled skewness Grant 8,440,549 - Imanishi , et al. May 14, 2	2013-05-14
Compound Semiconductor Device, Method For Manufacturing The Same, And Electronic Circuit App 20130105810 - Nishimori; Masato ; et al.	2013-05-02
Compound Semiconductor Device And Method Of Manufacturing The Same App 20130105862 - KANAMURA; Masahito ; et al.	2013-05-02
Compound semiconductor device and method of manufacturing the same Grant 8,426,892 - Imanishi , et al. April 23, 2	2013-04-23
Compound semiconductor device and method of manufacturing the same Grant 8,426,260 - Miyajima , et al. April 23, 2	2013-04-23
Manufacturing Method Of Compound Semiconductor Device App 20130083569 - Minoura; Yuichi ; et al.	2013-04-04
Compound Semiconductor Device And Method Of Manufacturing The Same App 20130069129 - MAKIYAMA; Kozo ; et al.	2013-03-21
Semiconductor Device And Method For Manufacturing Semiconductor Device App 20130032818 - Nishimori; Masato ; et al.	2013-02-07
Compound semiconductor device and method of manufacturing the same Grant 8,357,602 - Kanamura , et al. January 22, 2	2013-01-22
Compound semiconductor device and manufacturing method of the same Grant 8,344,419 - Kikkawa January 1, 2	2013-01-01
Compound Semiconductor Device And Method Of Manufacturing The Same App 20120315743 - KIKKAWA; Toshihide ; et al.	2012-12-13
Compound semiconductor device and method of manufacturing the same Grant 8,294,181 - Kikkawa , et al. October 23, 2	2012-10-23
Compound semiconductor device and manufacturing method thereof Grant 8,278,688 - Ohki , et al. October 2, 2	2012-10-02
Compound Semiconductor Device And Manufacturing Method Thereof App 20120241758 - MINOURA; Yuichi ; et al.	2012-09-27
Compound semiconductor device including AIN layer of controlled skewness Grant 8,264,006 - Imanishi , et al. September 11, 2	2012-09-11
Compound semiconductor device including AIN layer of controlled skewness Grant 8,264,005 - Imanishi , et al. September 11, 2	2012-09-11
Compound Semiconductor Device And Method Of Manufacturing The Same App 20120217543 - MINOURA; Yuichi ; et al.	2012-08-30
Compound Semiconductor Device And Method For Manufacturing The Same App 20120220089 - IMADA; Tadahiro ; et al.	2012-08-30
Semiconductor Device, Method Of Manufacturing Semiconductor Device And Electronic Circuit App 20120211762 - IMADA; Tadahiro ; et al.	2012-08-23
Compound Semiconductor Device And Its Manufacture Method App 20120208331 - KIKKAWA; Toshihide	2012-08-16
Semiconductor Device, Power Supply Device, Amplifier, And Method Of Manufacturing Semiconductor Device App 20120205662 - Nakamura; Norikazu ; et al.	2012-08-16
Semiconductor Device Manufacturing Method App 20120196419 - KANAMURA; Masahito ; et al.	2012-08-02
Semiconductor Device And Method For Manufacturing Semiconductor Device App 20120146097 - ENDO; Hiroshi ; et al.	2012-06-14
Compound Semiconductor Device And Method Of Manufacturing The Same App 20120146728 - MAKIYAMA; Kozo ; et al.	2012-06-14
Compound Semiconductor Device And Manufacturing Method Thereof App 20120139038 - IMANISHI; Kenji ; et al.	2012-06-07
Compound Semiconductor Device And Method Of Manufacturing The Same App 20120138948 - MIYAJIMA; Toyoo ; et al.	2012-06-07
Compound Semiconductor Device And Method Of Manufacturing The Same App 20120138944 - KANAMURA; Masahito ; et al.	2012-06-07
Compound semiconductor device using SiC substrate and its manufacture Grant 8,193,539 - Kikkawa , et al. June 5, 2	2012-06-05
Compound semiconductor device and its manufacture method Grant 8,183,572 - Kikkawa May 22, 2	2012-05-22
Semiconductor device manufacturing method Grant 8,173,529 - Kanamura , et al. May 8, 2	2012-05-08
Semiconductor Device And Manufacturing Method Thereof App 20120091522 - OZAKI; Shirou ; et al.	2012-04-19
Compound Semiconductor Device Including Ain Layer Of Controlled Skewness App 20120067275 - Imanishi; Kenji ; et al.	2012-03-22
Semiconductor Device, Method Of Manufacturing The Same, And Power Supply Apparatus App 20120056191 - Endo; Hiroshi ; et al.	2012-03-08
Compound Seminconductor Structure App 20110297957 - Kikkawa; Toshihide ; et al.	2011-12-08
Compound Semiconductor Device And Manufacturing Method Of The Same App 20110275199 - KIKKAWA; Toshihide	2011-11-10
Compound Semiconductor Device And Manufacturing Method Of The Same App 20110272704 - KIKKAWA; Toshihide	2011-11-10
Compound semiconductor device including AIN layer of controlled skewness Grant 8,044,492 - Imanishi , et al. October 25, 2	2011-10-25
Compound semiconductor structure Grant 8,030,164 - Kikkawa , et al. October 4, 2	2011-10-04
Quasi single crystal nitride semiconductor layer grown over polycrystalline SiC substrate Grant 8,030,638 - Kikkawa October 4, 2	2011-10-04
Compound semiconductor device and method for fabricating the same Grant 7,989,278 - Kikkawa August 2, 2	2011-08-02
Semiconductor device and method for manufacturing semiconductor device Grant 7,948,062 - Makiyama , et al. May 24, 2	2011-05-24
Compound semiconductor device and method for fabricating the same App 20110089430 - Kikkawa; Toshihide	2011-04-21
Compound Semiconductor Device And Method Of Manufacturing The Same App 20110079771 - KANAMURA; Masahito ; et al.	2011-04-07
Compound Semiconductor Device Using Sic Substrate And Its Manufacture App 20110073873 - Kikkawa; Toshihide ; et al.	2011-03-31
Compound Semiconductor Device And Method Of Manufacturing The Same App 20110031532 - KIKKAWA; Toshihide ; et al.	2011-02-10
Compound Semiconductor Device And Method Of Manufacturing Same App 20110024799 - Minoura; Yuichi ; et al.	2011-02-03
Compound semiconductor device using SiC substrate and its manufacture Grant 7,875,535 - Kikkawa , et al. January 25, 2	2011-01-25
Nitride semiconductor device, Doherty amplifier and drain voltage controlled amplifier Grant 7,859,020 - Kikkawa , et al. December 28, 2	2010-12-28
Semiconductor device manufacturing method App 20100311233 - Kanamura; Masahito ; et al.	2010-12-09
Compound semiconductor device and the fabricating method of the same Grant 7,838,903 - Kikkawa , et al. November 23, 2	2010-11-23
Compound Semiconductor Device And Manufacturing Method Thereof App 20100244104 - Makiyama; Kozo ; et al.	2010-09-30
Semiconductor device and manufacturing method of the same Grant 7,800,133 - Kanamura , et al. September 21, 2	2010-09-21
Compound semiconductor device Grant 7,795,622 - Kikkawa , et al. September 14, 2	2010-09-14
Compound Semiconductor Device Including Ain Layer Of Controlled Skewness App 20100207167 - IMANISHI; Kenji ; et al.	2010-08-19
Compound Semiconductor Device Including Ain Layer Of Controlled Skewness App 20100207124 - IMANISHI; Kenji ; et al.	2010-08-19
Compound semiconductor device and doherty amplifier using compound semiconductor device Grant 7,777,251 - Kikkawa , et al. August 17, 2	2010-08-17
Compound Semiconductor Device And Manufacturing Method Thereof App 20100155741 - OHKI; Toshihiro ; et al.	2010-06-24
Compound semiconductor device and doherty amplifier using compound semiconductor device App 20100066451 - Kikkawa; Toshihide ; et al.	2010-03-18
Compound semiconductor device and the fabricating method of the same App 20100051962 - Kikkawa; Toshihide ; et al.	2010-03-04
Compound semiconductor device and doherty amplifier using compound semiconductor device Grant 7,663,162 - Kikkawa , et al. February 16, 2	2010-02-16
Compound semiconductor device and the fabricating method of the same Grant 7,638,819 - Kikkawa , et al. December 29, 2	2009-12-29
Compound Semiconductor Device And Its Manufacture Method App 20090315037 - Kikkawa; Toshihide	2009-12-24
Compound semiconductor device and method of fabricating the same Grant 7,560,323 - Kikkawa July 14, 2	2009-07-14
COMPOUND SEMICONDUCTOR DEVICE USING SiC SUBSTRATE AND ITS MANUFACTURE App 20090173951 - KIKKAWA; Toshihide ; et al.	2009-07-09
Semiconductor device, method of manufacturing the same, and substrate for manufacturing the same App 20090176352 - Yokoyama; Mitsunori ; et al.	2009-07-09
Compound semiconductor device and method for fabricating the same App 20090170249 - Kikkawa; Toshihide	2009-07-02
Semiconductor Device And Method For Manufacturing Semiconductor Device App 20090166815 - Makiyama; Kozo ; et al.	2009-07-02
Compound Semiconductor Structure App 20090065787 - KIKKAWA; Toshihide ; et al.	2009-03-12
Nitride Semiconductor Device, Doherty Amplifier And Drain Voltage Controlled Amplifier App 20090058532 - Kikkawa; Toshihide ; et al.	2009-03-05
Compound semiconductor device and method for fabricating the same Grant 7,494,855 - Kikkawa February 24, 2	2009-02-24
QUASI SINGLE CRYSTAL NITRIDE SEMICONDUCTOR LAYER GROWN OVER POLYCRYSTALLINE SiC SUBSTRATE App 20090026466 - KIKKAWA; Toshihide	2009-01-29
Compound Semiconductor Device And Manufacturing Method Of The Same App 20090008677 - Kikkawa; Toshihide	2009-01-08
Compound Semiconductor Device Including Ain Layer Of Controlled Skewness App 20080237610 - IMANISHI; Kenji ; et al.	2008-10-02
Compound Semiconductor Device App 20080237606 - KIKKAWA; Toshihide ; et al.	2008-10-02
Compound semiconductor device and doherty amplifier using compound semiconductor device App 20080204140 - Kikkawa; Toshihide ; et al.	2008-08-28
Semiconductor device and manufacturing method of the same App 20080197453 - Kanamura; Masahito ; et al.	2008-08-21
Compound Semiconductor Device And Method Of Manufacturing The Same App 20080197359 - IMANISHI; Kenji ; et al.	2008-08-21
Compound semiconductor device and its manufacture Grant 7,407,859 - Kimura , et al. August 5, 2	2008-08-05
Compound semiconductor device and method of fabricating the same App 20070194347 - Kikkawa; Toshihide	2007-08-23
Compound semiconductor device and method of fabricating the same Grant 7,224,004 - Kikkawa May 29, 2	2007-05-29
Compound semiconductor device and its manufacture App 20070026552 - Kimura; Tokuharu ; et al.	2007-02-01
Compound semiconductor device and its manufacture Grant 7,132,699 - Kimura , et al. November 7, 2	2006-11-07
Semiconductor device, method of manufacturing the same, and substrate for manufacturing the same App 20060220039 - Yokoyama; Mitsunori ; et al.	2006-10-05
Compound semiconductor device and the fabricating method of the same App 20060102926 - Kikkawa; Toshihide ; et al.	2006-05-18
Compound semiconductor device and method for fabricating the same App 20060054925 - Kikkawa; Toshihide	2006-03-16
Compound semiconductor device Grant 7,002,189 - Kikkawa February 21, 2	2006-02-21
Compound semiconductor device and method of fabricating the same App 20050087766 - Kikkawa, Toshihide	2005-04-28
Compound semiconductor device and its manufacture App 20040201038 - Kimura, Tokuharu ; et al.	2004-10-14
Compound semiconductor device and method for fabricating the same App 20040144991 - Kikkawa, Toshihide	2004-07-29
Compound semiconductor device App 20020050604 - Kikkawa, Toshihide	2002-05-02
Semiconductor device and manufacturing method of the same App 20010009279 - Kikkawa, Toshihide	2001-07-26
Semiconductor device having a regrowth crystal region Grant 6,121,153 - Kikkawa September 19, 2	2000-09-19
Semiconductor device having improved electronic isolation Grant 5,844,303 - Kikkawa , et al. December 1, 1	1998-12-01
Method for growing III-V group compound semiconductor crystal Grant 5,837,056 - Kikkawa November 17, 1	1998-11-17
Semiconductor device formed on a substrate having an off-angle surface Grant 5,751,028 - Kikkawa May 12, 1	1998-05-12
Apparatus for generating raw material gas used in apparatus for growing thin film Grant 5,460,654 - Kikkawa , et al. October 24, 1	1995-10-24

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