KO

Kenji Ookubo

Canon: 10 patents #6,241 of 19,416Top 35%
Overall (All Time): #483,805 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12346064 Toner Masashi Kawamura, Akane Masumoto, Takayuki Toyoda, Taku Shimoda, Yu Yoshida 2025-07-01
11714363 Toner Yu Yoshida, Takashi Kenmoku, Taku Shimoda, Masashi Kawamura, Akane Masumoto +1 more 2023-08-01
11274179 Method for producing compound having amide bond and also having alkoxysilyl group Masashi Kawamura, Takayuki Toyoda, Taku Shimoda 2022-03-15
11249412 Toner Masashi Kawamura, Takayuki Toyoda, Taku Shimoda 2022-02-15
11181845 Toner Taku Shimoda, Masashi Kawamura, Takayuki Toyoda 2021-11-23
10545420 Magnetic toner and image-forming method Tetsuya Kinumatsu, Yusuke Hasegawa, Kosuke Fukudome, Tomohisa Sano, Yoshitaka Suzumura +1 more 2020-01-28
9880478 Method of producing toner Tsutomu Shimano, Kunihiko Nakamura, Kenta Kamikura, Yuichi Yajima, Dai Nozaki +1 more 2018-01-30
9219253 Method for manufacturing organic EL display device Nozomu Izumi, Tomoyuki Hiroki, Nobuhiko Sato 2015-12-22
7651861 Method of producing fluorite crystal, fluorite and optical system incorporating the same 2010-01-26
7035306 Method of assaying fluorite sample and method of producing fluorite crystal 2006-04-25