TK

Tatsuya Kubo

Ricoh Company: 2 patents #300 of 1,584Top 20%
SI Sumitomo Rubber Industries: 2 patents #76 of 329Top 25%
Overall (2019): #42,834 of 560,194Top 8%
4
Patents 2019

Issued Patents 2019

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10505194 Positive electrode for lithium-ion secondary battery and lithium-ion secondary battery Akihiro YAMANO, Naoto Yamashita, Toshikatsu Kojima, Masahiro Yanagida 2019-12-10
10326134 Positive-electrode active material for lithium-ion secondary battery, positive electrode and lithium-ion secondary battery Akihiro YAMANO, Naoto Yamashita, Masahiro Yanagida 2019-06-18
10317814 Powder supply device and image forming apparatus incorporating same Nobuo Takami, Tetsuro Hirota, Kenji Kikuchi, Koichi Yamazaki, Atsushi Nakamoto +3 more 2019-06-11
10317839 Developing device and image forming apparatus Shinji Tamaki, Ichiro Kadota, Junichi Matsumoto, Hiroaki Okamoto 2019-06-11