Tsujimura; Ayumu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tsujimura; Ayumu.The latest application filed is for "random number generating device".

Company Profile

0.19.13

Tsujimura; Ayumu - Osaka JP
Tsujimura; Ayumu - Mishima-gun JP
Tsujimura; Ayumu - Takatsuki 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
Random number generating device Grant 9,563,403 - Ueda , et al. February 7, 2	2017-02-07
Random Number Generating Device App 20150100614 - UEDA; MICHIHITO ; et al.	2015-04-09
Method for fabricating nitride semiconductor, method for fabricating nitride semiconductor device, and nitride semiconductor device Grant 7,160,748 - Ishibashi , et al. January 9, 2	2007-01-09
Formation method for semiconductor layer Grant 7,108,745 - Hasegawa , et al. September 19, 2	2006-09-19
Group III-V nitride semiconductor light-emitting device which allows for efficient injection of electrons into an active layer Grant 6,940,100 - Tsujimura , et al. September 6, 2	2005-09-06
Method for fabricating nitride semiconductor, method for fabricating nitride semiconductor device, and nitride semiconductor device Grant 6,921,678 - Ishibashi , et al. July 26, 2	2005-07-26
Method for fabricating nitride semiconductor, method for fabricating nitride semiconductor device, and nitride semiconductor device App 20050142682 - Ishibashi, Akihiko ; et al.	2005-06-30
Method of fabricating nitride semiconductor, method of fabricating nitride semiconductor device, nitride semiconductor device, semiconductor light emitting device and method of fabricating the same Grant 6,911,351 - Kidoguchi , et al. June 28, 2	2005-06-28
Nitride semiconductor, method for manufacturing the same and nitride semiconductor device Grant 6,858,877 - Kawaguchi , et al. February 22, 2	2005-02-22
Method for fabricating semiconductor, method for fabricating semiconductor substrate, and semiconductor light emitting device Grant 6,777,253 - Ishibashi , et al. August 17, 2	2004-08-17
Method for fabricating a nitride semiconductor device Grant 6,764,871 - Kawaguchi , et al. July 20, 2	2004-07-20
Method of fabricating nitride semiconductor, method of fabricating nitride semiconductor device, nitride semiconductor device, semiconductor light emitting device and method of fabricating the same Grant 6,720,586 - Kidoguchi , et al. April 13, 2	2004-04-13
Method for fabricating a nitride semiconductor device App 20030232457 - Kawaguchi, Yasutoshi ; et al.	2003-12-18
Formation method for semiconductor layer App 20030209192 - Hasegawa, Yoshiaki ; et al.	2003-11-13
Method for fabricating nitride semiconductor, method for fabricating nitride semiconductor device, and nitride semiconductor device App 20030203629 - Ishibashi, Akihiko ; et al.	2003-10-30
Nitride semiconductor, method for manufacturing the same and nitride semiconductor device App 20030183827 - Kawaguchi, Yasutoshi ; et al.	2003-10-02
Semiconductor light-emitting device, method for fabricating the same and optical disk apparatus App 20030168653 - Tsujimura, Ayumu ; et al.	2003-09-11
Semiconductor light-emitting device with quantum well Grant 6,614,059 - Tsujimura , et al. September 2, 2	2003-09-02
Method for producing semiconductor and semiconductor laser device Grant 6,611,005 - Tsujimura , et al. August 26, 2	2003-08-26
Method of fabricating nitride semiconductor, method of fabricating nitride semiconductor device, nitride semiconductor device, semiconductor light emitting device and method of fabricating the same App 20030143771 - Kidoguchi, Isao ; et al.	2003-07-31
Semiconductor light-emitting device, method for fabricating the same and optical disk apparatus App 20030132448 - Tsujimura, Ayumu ; et al.	2003-07-17
Formation method for semiconductor layer Grant 6,562,129 - Hasegawa , et al. May 13, 2	2003-05-13
Formation method for semiconductor layer App 20020102761 - Hasegawa, Yoshiaki ; et al.	2002-08-01
Method for fabricating semiconductor, method for fabricating semiconductor substrate, and semiconductor light emitting device App 20020079502 - Ishibashi, Akihiko ; et al.	2002-06-27
Method for fabricating nitride semiconductor, method for fabricating nitride semiconductor device, and nitride semiconductor device App 20020081763 - Ishibashi, Akihiko ; et al.	2002-06-27
Optical pickup and optical disk apparatus using the same Grant 6,392,979 - Yamamoto , et al. May 21, 2	2002-05-21
Semiconductor laser device Grant 6,324,200 - Kamiyama , et al. November 27, 2	2001-11-27
Method for producing semiconductor and semiconductor laser device App 20010008285 - Tsujimura, Ayumu ; et al.	2001-07-19
Optical disk recording/reproducing method and apparatus for preventing wave length shift during recording and reproducing operations Grant 6,072,762 - Kume , et al. June 6, 2	2000-06-06
Methods of manufacturing semiconductor, semiconductor device and semiconductor substrate Grant 6,030,849 - Hasegawa , et al. February 29, 2	2000-02-29
Semiconductor laser and a method for fabricating the same Grant 5,499,260 - Takahashi , et al. March 12, 1	1996-03-12
Reflector for semiconductor laser end-face and method of manufacturing the same Grant 5,339,326 - Tsujimura , et al. August 16, 1	1994-08-16

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.