KY

Keita Yamaguchi

NT NTT: 17 patents #177 of 4,871Top 4%
MC Mitsubishi Chemical: 5 patents #358 of 3,022Top 15%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
MA Maxell: 1 patents #286 of 437Top 70%
PC Paramount Bed Co.: 1 patents #52 of 95Top 55%
SO Softbank: 1 patents #59 of 194Top 35%
SC Sumitomo Bakelite Co.: 1 patents #403 of 790Top 55%
TC Tokai Carbon Co.: 1 patents #38 of 112Top 35%
Overall (All Time): #121,861 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
8647776 Carbon material for lithium ion secondary battery Shunsuke Yamada, Taisuke Nose, Hideharu Sato 2014-02-11
8637187 Negative electrode material for lithium secondary battery, method for producing same, negative electrode for lithium secondary battery using same and lithium secondary battery Tooru Fuse, Hiroyuki Uono, Tomiyuki Kamada 2014-01-28
8431270 Composite graphite particles for nonaqueous secondary battery, negative-electrode material containing the same, negative electrode, and nonaqueous secondary battery Hitoshi Matsumoto, Hideharu Sato, Hiroyuki Uono 2013-04-30
8404383 Negative electrode material for nonaqueous secondary cells, negative electrode for nonaqueous secondary cells, and nonaqueous secondary cell Nobuyuki Onishi, Hideharu Satoh 2013-03-26
6450298 Communications control system for elevators Kunikazu Koura, Hiroshi Gokan, Junya Tanaka 2002-09-17