SK

Shoji Kawai

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
DC Daiwa Gravure Co.: 2 patents #2 of 6Top 35%
Overall (All Time): #1,004,244 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9168841 Method of receiving charge, method of controlling charge, charge control unit and charging equipment Tomoyuki Marui, Masami Takahashi, Kazumi Rissen, Takafumi Ebara, Kei Yonezawa +1 more 2015-10-27
9061597 Quick charger and quick charging system for electric vehicle Masaru Oda, Koichi Umezawa, Toshiyuki Utsuki, Yoshitomo Sakayori, Masakatsu Horii 2015-06-23
D669026 Electric vehicle charging station Masaru Oda, Koichi Umezawa, Toshiyuki Utsuki, Yoshitomo Sakayori, Masakatsu Horii 2012-10-16
7775455 Railway rail supporting pad 2010-08-17
7634832 Bridge sleeper supporting pad 2009-12-22