TK

Tokuya Kozaki

Nichia: 19 patents #80 of 1,531Top 6%
NI Nichia Chemical Industries: 4 patents #10 of 40Top 25%
📍 Anan, JP: #25 of 306 inventorsTop 9%
Overall (All Time): #185,051 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
9444011 Nitride semiconductor device 2016-09-13
9130121 Nitride semiconductor device 2015-09-08
8698126 Nitride semiconductor device 2014-04-15
8309948 Nitride semiconductor device 2012-11-13
RE42770 Nitride semiconductor device having a nitride semiconductor substrate and an indium containing active layer Hiroyuki Kiyoku, Shuji Nakamura, Naruhito Iwasa, Kazuyuki Chocho 2011-10-04
7750337 Nitride semiconductor device 2010-07-06
7646009 Nitride semiconductor device 2010-01-12
7496124 Nitride semiconductor laser device Masahiko Sano, Shuji Nakamura, Shinichi Nagahama 2009-02-24
7442254 Nitride semiconductor device having a nitride semiconductor substrate and an indium containing active layer Hiroyuki Kiyoku, Shuji Nakamura, Naruhito Iwasa, Kazuyuki Chocho 2008-10-28
7397834 Nitride semiconductor laser device and method of manufacturing the nitride semiconductor laser device Keiji Sakamoto, Hiroaki Matsumura 2008-07-08
7154128 Nitride semiconductor growth method, nitride semiconductor substrate, and nitride semiconductor device Hiroyuki Kiyoku, Shuji Nakamura, Naruhito Iwasa, Kazuyuki Chocho 2006-12-26
7119378 Nitride semiconductor device 2006-10-10
7083679 Nitride semiconductor growth method, nitride semiconductor substrate, and nitride semiconductor device Hiroyuki Kiyoku, Shuji Nakamura, Naruhito Iwasa, Kazuyuki Chocho 2006-08-01
7015053 Nitride semiconductor laser device Masahiko Sano, Shuji Nakamura, Shinichi Nagahama 2006-03-21
6940103 Nitride semiconductor growth method, nitride semiconductor substrate and nitride semiconductor device Hiroyuki Kiyoku, Shuji Nakamura, Naruhito Iwasa, Kazuyuki Chocho 2005-09-06
6861729 Nitride semiconductor substrate and method for manufacturing the same, and nitride semiconductor device using nitride semiconductor substrate Hiroyuki Kiyoku, Kazuyuki Chocho, Hitoshi Maegawa 2005-03-01
6838693 Nitride semiconductor device 2005-01-04
6756611 Nitride semiconductor growth method, nitride semiconductor substrate, and nitride semiconductor device Hiroyuki Kiyoku, Shuji Nakamura, Naruhito Iwasa, Kazuyuki Chocho 2004-06-29
6711191 Nitride semiconductor laser device Masahiko Sano, Shuji Nakamura, Shinichi Nagahama 2004-03-23
6627520 Nitride semiconductor substrate and method for manufacturing the same, and nitride semiconductor device using nitride semiconductor substrate Hiroyuki Kiyoku, Kazuyuki Chocho, Hitoshi Maegawa 2003-09-30
6627974 Nitride semiconductor substrate and method for manufacturing the same, and nitride semiconductor device using nitride semiconductor substrate Hiroyuki Kiyoku, Kazuyuki Chocho, Hitoshi Maegawa 2003-09-30
6586762 Nitride semiconductor device with improved lifetime and high output power 2003-07-01
6153010 Method of growing nitride semiconductors, nitride semiconductor substrate and nitride semiconductor device Hiroyuki Kiyoku, Shuji Nakamura, Naruhito Iwasa, Kazuyuki Chocho 2000-11-28