TK

Tatsuya Kubo

Ricoh Company: 3 patents #215 of 1,821Top 15%
SI Sumitomo Rubber Industries: 1 patents #77 of 236Top 35%
Overall (2018): #34,958 of 503,207Top 7%
4
Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10146154 Powder container, powder supply device, and image forming apparatus including same Kentaro Nodera, Emi Kita, Akihiro Takayama, Susumu Tateyama, Shinnosuke Koshizuka +1 more 2018-12-04
10126682 Developing device, and image forming apparatus and process cartridge incorporating same Hiroaki Okamoto, Junichi Matsumoto, Shinji Tamaki, Ichiro Kadota 2018-11-13
10008722 Sulfur-based positive-electrode active material and lithium-ion secondary battery Kazuo Hochi, Tetsuo Sakai, Toshikatsu Kojima 2018-06-26
9897938 Developing device and image forming apparatus incorporating same Shinnosuke Koshizuka, Koichi Yamazaki, Atsushi Nakamoto, Nobuo Takami, Kazunori Suzuki +1 more 2018-02-20