AM

Akihisa Matsukawa

Canon: 4 patents #356 of 3,938Top 10%
Overall (2016): #47,998 of 481,213Top 10%
4
Patents 2016

Issued Patents 2016

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9465322 Cartridge and image forming apparatus Yusuke Usui, Hiroyoshi Iwayama, Takanori Watanabe, Naoki Okamoto, Kazuhiro Yamauchi 2016-10-11
9442454 Image forming apparatus having an image bearing member charged with predetermined polarity and potential Hiroyoshi Iwayama, Takashi Hiramatsu, Satoshi Sunahara 2016-09-13
9429868 Image forming apparatus Yusuke Usui, Kuniaki Tamagaki, Takashi Hiramatsu 2016-08-30
9239546 Developing unit and process cartridge Takashi Hiramatsu, Takayuki Namiki 2016-01-19