YF

Yasumasa Fujii

Brother Kogyo: 57 patents #92 of 2,767Top 4%
NE Nec Environment Engineering: 2 patents #3 of 16Top 20%
BI Brother Industries: 1 patents #202 of 325Top 65%
MI Mitsu Petrochemical Ind.: 1 patents #11 of 29Top 40%
MI Mitsui Petrochemical Industries: 1 patents #503 of 1,024Top 50%
📍 Anjo, JP: #20 of 1,609 inventorsTop 2%
Overall (All Time): #38,842 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 26–50 of 60 patents

Patent #TitleCo-InventorsDate
10444659 Developing cartridge having electrode Tsutomu Suzuki, Hiroshi Igarashi 2019-10-15
10444698 Image forming apparatus including drum cartridge including swing plate configured to support developing cartridge Shougo Sato 2019-10-15
10429763 Developing cartridge having electrode 2019-10-01
10379488 Developing cartridge including developing gear cover 2019-08-13
10191421 Fuser and image apparatus having the same Hisashi Tsukawaki 2019-01-29
10180639 Cartridge and lid member for cartridge Hiroki Mori 2019-01-15
10151998 Developing cartridge having electrode 2018-12-11
10133207 Developing cartridge having electrode Tsutomu Suzuki, Hiroshi Igarashi 2018-11-20
9958818 Fixing device comprising endless belt and rotary body Hirofumi Kuriki, Akihiro Kobayashi 2018-05-01
9733589 Developing cartridge having electrode Tsutomu Suzuki, Hiroshi Igarashi 2017-08-15
9547253 Developing cartridge having electrode 2017-01-17
9529320 Cartridge provided with protection cover capable of protecting developer carrier and image forming apparatus provided with the same Hiroki Mori 2016-12-27
9507316 Image-forming device and cartridge mountable in the same Hiroki Mori 2016-11-29
9494913 Developing cartridge including developing gear cover 2016-11-15
9459555 Image forming apparatus Tatsuo Ogasawara, Hiroki Mori 2016-10-04
9423765 Developing cartridge having electrode 2016-08-23
9395681 Developing cartridge having electrode Tsutomu Suzuki, Hiroshi Igarashi 2016-07-19
9268301 Image forming apparatus having housing formed with opening and process cartridge mounted in the housing Susumu Sakuma, Hiroki Mori, Saya Minoshima 2016-02-23
9261857 Developing cartridge having electrode Tsutomu Suzuki, Hiroshi Igarashi 2016-02-16
9213308 Cartridge provided with protection cover capable of protecting developer carrier and image forming apparatus provided with the same Hiroki Mori 2015-12-15
9176421 Cartridge including a cover having releasable engagement 2015-11-03
9069327 Developing cartridge including developing gear cover 2015-06-30
9063457 Roller cover and cartridge 2015-06-23
9020399 Developing cartridge including developing gear cover 2015-04-28
9020396 Developing cartridge including developing gear cover 2015-04-28