KI

Kenji IMAMOTO

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HH Hitachi High-Technologies: 1 patents #1,282 of 1,917Top 70%
Overall (All Time): #1,537,656 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8924050 Railway signalling system and on-board signalling system Keiichi Katsuta, Yoichi Sugita, Keiji Maekawa, Naoki Shibata, Motonari SUZUKI 2014-12-30
8285219 Apparatus and method for searching for wireless station locations Yoshihito Sato, Yoshinori Okura 2012-10-09
7989330 Dry etching method Takeshi Shima, Kenichi Kuwabara, Tomoyoshi Ichimaru 2011-08-02