Yaegashi; Seiji

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yaegashi; Seiji.The latest application filed is for "semiconductor device and method for manufacturing same".

Company Profile

0.24.24

Yaegashi; Seiji - Yokohama N/A JP
Yaegashi; Seiji - Tokyo N/A JP
Yaegashi; Seiji - Kanagawa JP
YAEGASHI; Seiji - Yokohama-shi JP
Yaegashi; Seiji - Yamanashi JP
Yaegashi; Seiji - Nakakoma-gun JP
Yaegashi; Seiji - Toda JP
Yaegashi; Seiji - Urawa 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
Vertical GaN-based semiconductor device Grant 8,969,920 - Kiyama , et al. March 3, 2	2015-03-03
Semiconductor device and method for producing the same Grant 8,941,174 - Okada , et al. January 27, 2	2015-01-27
Semiconductor device and method for producing same Grant 8,896,058 - Okada , et al. November 25, 2	2014-11-25
Semiconductor device and method for producing the same Grant 8,890,239 - Yaegashi , et al. November 18, 2	2014-11-18
Semiconductor device and method for producing the same Grant 8,816,398 - Kiyama , et al. August 26, 2	2014-08-26
Method for fabricating semiconductor device Grant 8,748,274 - Nakata , et al. June 10, 2	2014-06-10
Semiconductor Device And Method For Manufacturing Same App 20130313564 - OKADA; Masaya ; et al.	2013-11-28
Semiconductor Device And Method For Producing The Same App 20130248876 - Yaegashi; Seiji ; et al.	2013-09-26
Semiconductor Device And Method For Producing The Same App 20130240900 - Yaegashi; Seiji ; et al.	2013-09-19
Semiconductor Device And Method For Producing The Same App 20130234156 - Okada; Masaya ; et al.	2013-09-12
Semiconductor device and method for manufacturing same Grant 8,525,184 - Okada , et al. September 3, 2	2013-09-03
Semiconductor Device And Method For Producing Same App 20130221434 - Okada; Masaya ; et al.	2013-08-29
Semiconductor Device And Method For Producing The Same App 20130181255 - Kiyama; Makoto ; et al.	2013-07-18
Semiconductor Device And Method For Producing Same App 20130168739 - Kiyama; Makoto ; et al.	2013-07-04
Semiconductor Device And Method For Manufacturing Same App 20120273797 - Okada; Masaya ; et al.	2012-11-01
Semiconductor device and method for manufacturing same Grant 8,227,810 - Okada , et al. July 24, 2	2012-07-24
GaN-based high electron mobility transistor (HEMT) with an embedded gate electrode having a first recess portion and a second recess portion to improve drain breakdown voltage Grant 8,044,433 - Kawasaki , et al. October 25, 2	2011-10-25
Semiconductor Device And Method For Manufacturing Same App 20110204381 - Okada; Masaya ; et al.	2011-08-25
Semiconductor Device And Method For Forming The Same App 20110193095 - Nakata; Ken ; et al.	2011-08-11
Method For Fabricating Semiconductor Device App 20100159656 - Nakata; Ken ; et al.	2010-06-24
Semiconductor device in which GaN-based semiconductor layer is selectively formed Grant 7,728,353 - Yaegashi , et al. June 1, 2	2010-06-01
Semiconductor device and fabrication method of the same Grant 7,723,751 - Kawasaki , et al. May 25, 2	2010-05-25
Semiconductor device and manufacturing method thereof Grant 7,592,647 - Nakata , et al. September 22, 2	2009-09-22
Semiconductor device App 20080079009 - YAEGASHI; Seiji	2008-04-03
Semiconductor device and fabrication method of the same App 20060220042 - Yaegashi; Seiji ; et al.	2006-10-05
Semiconductor device and manufacturing method thereof App 20060220060 - Nakata; Ken ; et al.	2006-10-05
Semiconductor device and fabrication method of the same App 20060219997 - Kawasaki; Takeshi ; et al.	2006-10-05
Semiconductor device and fabrication method therefor App 20060220065 - Kawasaki; Takeshi ; et al.	2006-10-05
Heterojunction bipolar transistor and method of making heterojunction bipolar transistor Grant 6,784,064 - Yaegashi , et al. August 31, 2	2004-08-31
Bipolar transistor and the method of manufacturing the same Grant 6,664,610 - Kawasaki , et al. December 16, 2	2003-12-16
Bipolar transistor and the method of manufacturing the same App 20030075737 - Kawasaki, Takeshi ; et al.	2003-04-24
Bipolar transistor Grant 6,531,722 - Yaegashi , et al. March 11, 2	2003-03-11
Heterojunction bipolar transistor and method of making heterojunction bipolar transistor App 20020105011 - Yaegashi, Seiji ; et al.	2002-08-08
Thin film laminate magnetic head with reaction prevention layers Grant 5,537,278 - Yaegashi , et al. July 16, 1	1996-07-16
Method of producing superconductor of metal oxides Grant 5,236,890 - Murakami , et al. August 17, 1	1993-08-17

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.