KK

Katsunori Kitagawa

SC Sanwa Denki Kogyo Co.: 4 patents #5 of 59Top 9%
PA Panasonic: 4 patents #6,180 of 21,108Top 30%
AC Asahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #862,806 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8148939 Battery pack using a secondary battery and connection system for connecting the battery pack to a charging device or a loading device 2012-04-03
D507530 Optical fiber socket Yuji Watanabe, Takashi Tsukamoto, Tsuyoshi Hisano, Kenji Furufuji, Yasusuke Hioki +2 more 2005-07-19
6913395 Assembly including an optical fiber socket and an optical fiber plug Yuji Watanabe, Takashi Tsukamoto, Tsuyoshi Hisano, Kenji Furufuji, Yasusuke Hioki +2 more 2005-07-05
D506978 Optical receptacle Yuji Watanabe, Takashi Tsukamoto, Tsuyoshi Hisano, Kenji Furufuji, Yasusuke Hioki +2 more 2005-07-05
D502447 Optical connector plug Yuji Watanabe, Takashi Tsukamoto, Tsuyoshi Hisano, Kenji Furufuji, Yasusuke Hioki +2 more 2005-03-01
6639387 Battery pack and inspection device therefor Tetsuo Nagahisa 2003-10-28