TT

Tokifumi Tanaka

Brother Kogyo: 26 patents #307 of 2,767Top 15%
BI Brother Industries: 2 patents #146 of 325Top 45%
Overall (All Time): #135,518 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
9423769 Process cartridge Satoru Ishikawa 2016-08-23
D724139 Photosensitive drum unit Takashi Shimizu, Satoru Ishikawa, Keita Shimizu 2015-03-10
D723614 Toner cartridge Takashi Shimizu, Satoru Ishikawa, Keita Shimizu 2015-03-03