The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 2015
Filed:
Jun. 21, 2011
Applicants:
Takashi Satoh, Miyagi, JP;
Seiji Sarayama, Miyagi, JP;
Hirokazu Iwata, Miyagi, JP;
Yusuke Mori, Osaka, JP;
Yasuo Kitaoka, Osaka, JP;
Inventors:
Takashi Satoh, Miyagi, JP;
Seiji Sarayama, Miyagi, JP;
Hirokazu Iwata, Miyagi, JP;
Yusuke Mori, Osaka, JP;
Yasuo Kitaoka, Osaka, JP;
Assignees:
RICOH COMPANY, LTD., Tokyo, JP;
OSAKA UNIVERSITY, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 7/02 (2006.01); C30B 29/40 (2006.01); C30B 9/10 (2006.01);
U.S. Cl.
CPC ...
C30B 29/406 (2013.01); C30B 9/10 (2013.01); C30B 29/403 (2013.01); Y10T 428/24942 (2015.01);
Abstract
A nitride crystal which encircles an outer periphery of a seed crystal, the nitride crystal in an embodiment includes: a first partial region, and a second partial region that has optical characteristics different from those of the first partial region and has optical characteristics which indicate the crystal orientation.