HI

Hirohiko Ishii

CC Citizen Electronics Co.: 20 patents #5 of 252Top 2%
CC Citizen Watch Co.: 4 patents #269 of 1,225Top 25%
CC Citizen Holdings Co.: 2 patents #121 of 431Top 30%
Overall (All Time): #221,829 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10714460 Light emitting device and manufacturing method thereof Sadato Imai, Masahide Watanabe, Koki Hirasawa 2020-07-14
10707189 Light-emitting device Masahiko Hamada 2020-07-07
10629786 Light emitting device and manufacturing method thereof Sadato Imai, Masahide Watanabe, Koki Hirasawa 2020-04-21
10158056 LED package, light emitting device and method for manufacturing LED package Sadato Imai, Masahide Watanabe, Koki Hirasawa, Yuji Omori 2018-12-18
9360167 LED module and LED lamp employing same Sadato Imai 2016-06-07
9269873 Semiconductor light emitting device and method for manufacturing same Kenji Imazu 2016-02-23
7804102 Illumination device and method for manufacturing the same Norikazu Kadotani, Koichi Fukasawa 2010-09-28
7763905 Semiconductor light-emitting device Norikazu Kadotani, Atsushi Nishida, Koichi Fukasawa 2010-07-27
7187009 Light emitting diode device for illumination objects Koichi Fukasawa, Masahide Watanabe 2007-03-06
7078728 Surface-mounted LED and light emitting device Sadato Imai 2006-07-18
D524260 Light emitting diode Mitsunori Ishizaka 2006-07-04
7063996 Method for manufacturing a light emitting diode device Koichi Fukasawa 2006-06-20
7021946 Connector integrated with a LED element Masakazu Koizumi, Shingo Mizuguchi, Tatsuji Hirano, Koichi Fukasawa, Junji Miyashita 2006-04-04
D515043 Light emitting diode Mitsunori Ishizaka 2006-02-14
6973720 Method for manufacturing a connector integrated with a LED Masakazu Koizumi, Shingo Mizuguchi, Tatsuji Hirano, Koichi Fukasawa, Junji Miyashita 2005-12-13
6888173 Light emitting diode device Koichi Fukasawa 2005-05-03
6822265 Light emitting diode Koichi Fukasawa 2004-11-23
6744194 Light emitting diode Koichi Fukasawa 2004-06-01
6638780 Method for manufacturing light emitting diode devices Koichi Fukasawa, Masahide Watanabe 2003-10-28
D462334 Light emitting diode Koichi Fukasawa 2002-09-03