SS

Susumu Sakuma

Brother Kogyo: 51 patents #113 of 2,767Top 5%
FK Futaba Denshi Kogyo K.K.: 4 patents #36 of 173Top 25%
BI Brother Industries: 2 patents #146 of 325Top 45%
Overall (All Time): #42,014 of 4,157,543Top 2%
58
Patents All Time

Issued Patents All Time

Showing 1–25 of 58 patents

Patent #TitleCo-InventorsDate
10518533 Head module and liquid ejection apparatus 2019-12-31
9829848 Image forming apparatus Shougo Sato 2017-11-28
9500993 Developing cartridge including housing having chambers with conveying members to which developing agent can be supplied 2016-11-22
9454127 Image forming apparatus Shougo Sato 2016-09-27
9298157 Cartridge having a plurality of frames and image forming apparatus provided with the cartridge 2016-03-29
9268301 Image forming apparatus having housing formed with opening and process cartridge mounted in the housing Yasumasa Fujii, Hiroki Mori, Saya Minoshima 2016-02-23
9170552 Image forming apparatus 2015-10-27
9122209 Image forming apparatus Shougo Sato 2015-09-01
9052642 Image forming apparatus having cleaning unit including waste developer box 2015-06-09
9046867 Developing unit having slidably movable receptable Kensuke Miyahara, Hikaru Yoshizumi, Shougo Sato 2015-06-02
9031476 Developing device, process cartridge and image forming apparatus 2015-05-12
8989622 Developer-accommodating vessel and developing device Shougo Sato, Ryuya Yamazaki, Shunsuke Ishii 2015-03-24
D718379 Photosensitive drum unit Takeyuki Takagi 2014-11-25
8831471 Image forming apparatus having intermediate transfer belt and cleaning unit for removing toner from intermediate transfer belt Shougo Sato 2014-09-09
8805232 Image forming apparatus having waste toner box 2014-08-12
8682210 Image-forming device Shougo Sato 2014-03-25
8682209 Image forming apparatus 2014-03-25
8666282 Image formation apparatus and developer cartridge 2014-03-04
8571448 Developing device, process cartridge and image forming apparatus 2013-10-29
8548351 Image-forming device Shougo Sato 2013-10-01
8532521 Image forming apparatus having waste toner box 2013-09-10
8498551 Image forming apparatus Shougo Sato 2013-07-30
8457518 Image forming apparatus having cleaning unit and waste toner retainer 2013-06-04
8369735 Image forming apparatus Shougo Sato 2013-02-05
8351819 Image forming apparatus, supporting member, and image forming unit 2013-01-08