KO

Kouji Obata

HC Hitachi Industrial Equipment Systems Co.: 6 patents #76 of 550Top 15%
CC Clarion Co.: 2 patents #253 of 721Top 40%
Overall (All Time): #639,082 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9906766 Imaging device Teruki Takahashi, Takahide Kojima 2018-02-27
9131199 Imaging apparatus capable of generating an appropriate color image Teruki Takahashi, Takahide Kojima 2015-09-08
8816694 Apparatus and method for detecting partial discharge at turn-to-turn insulation in motor Keiji Fukushi, Takeshi Obata, Koichiro Saito, Tadahiro Shimozono 2014-08-26
7663337 Frequency converter, motor, motor drive system and maintenance method for motor drive system Tadahiro Shimozono, Takeshi Obata, Koichiro Saito, Osamu Matsumoto 2010-02-16
7511450 Frequency converter, motor, motor drive system and maintenance method for motor drive system Tadahiro Shimozono, Takeshi Obata, Koichiro Saito, Osamu Matsumoto 2009-03-31
7408323 Frequency converter, motor, motor drive system and maintenance method for motor drive system Tadahiro Shimozono, Takeshi Obata, Koichiro Saito, Osamu Matsumoto 2008-08-05
7202628 Frequency converter, motor, motor drive system and maintenance method for motor drive system Tadahiro Shimozono, Takeshi Obata, Koichiro Saito, Osamu Matsumoto 2007-04-10
7112940 Frequency converter, motor, motor drive system and maintenance method for motor drive system Tadahiro Shimozono, Takeshi Obata, Koichiro Saito, Osamu Matsumoto 2006-09-26