KO

Kunihiko Obara

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
TC Toyoda Gosei Co.: 1 patents #1,271 of 2,296Top 60%
📍 Kagoshima, JP: #54 of 469 inventorsTop 15%
Overall (All Time): #861,349 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8552444 Semiconductor light-emitting device and manufacturing method of the same Yoshiyuki Ide, Hidenori Kamei, Isamu Yonekura, Koichi Nakahara, Kouji Nakatsu +5 more 2013-10-08
7825421 Semiconductor light emitting device Mineo Tokunaga, Hideo Nagai 2010-11-02
7557383 Lighting apparatus Koji Nakatsu, Hiromi Kitahara, Toshihide Maeda, Hideo Nagai 2009-07-07
6791116 Light emitting diode Yuji Takahashi, Shigeru Fukumoto, Katsunori Arakane, Atsuo Hirano, Kunihiro Hadame +4 more 2004-09-14
6696704 Composite light-emitting device, semiconductor light-emitting unit and method for fabricating the unit Toshihide Maeda, Tomio Inoue 2004-02-24
6468821 Method for fabricating semiconductor light-emitting unit Toshihide Maeda, Tomio Inoue 2002-10-22