TK

Tomooku Koyama

Canon: 30 patents #1,833 of 19,416Top 10%
Overall (All Time): #120,794 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 25 most recent of 30 patents

Patent #TitleCo-InventorsDate
12399447 Image forming apparatus Chikara Imaizumi, Satoshi Murasaki, Kiyoshi Furuta, Shinya Noda, Kunihiro Niwa +4 more 2025-08-26
12360478 Image forming apparatus Chikara Imaizumi, Satoshi Murasaki, Kiyoshi Furuta, Shinya Noda, Kunihiro Niwa +4 more 2025-07-15
12248260 Image forming apparatus Ken Murooka, Wataru Uchida, Jun Agata, Yohei Suzuki, Daisuke Takamura 2025-03-11
12222672 Image forming apparatus with a transfer device Chikara Imaizumi, Satoshi Murasaki, Kiyoshi Furuta, Shinya Noda, Kunihiro Niwa +4 more 2025-02-11
12216428 Image forming apparatus Chikara Imaizumi, Satoshi Murasaki, Kiyoshi Furuta, Shinya Noda, Kunihiro Niwa +4 more 2025-02-04
11803139 Image forming apparatus Ken Murooka, Wataru Uchida, Jun Agata, Yohei Suzuki, Daisuke Takamura 2023-10-31
11662683 Sheet processing apparatus and image forming system Jun Agata, Yasuhiro Nakahara, Hiroharu Tsuji 2023-05-30
11506999 Image forming apparatus Ken Murooka, Wataru Uchida, Jun Agata, Yohei Suzuki, Daisuke Takamura 2022-11-22
11215946 Sheet processing apparatus and image forming system Jun Agata, Yasuhiro Nakahara, Hiroharu Tsuji 2022-01-04
11124376 Sheet discharging apparatus, sheet feeding apparatus and image forming apparatus 2021-09-21
11061353 Image forming apparatus Takayuki Mizuta, Kenichirou Isobe 2021-07-13
10955774 Image forming apparatus Ken Murooka, Wataru Uchida, Jun Agata, Yohei Suzuki, Daisuke Takamura 2021-03-23
10551774 Image forming apparatus with guide member movable with repect to direction perpendiclar to recording material surface Ken Murooka, Wataru Uchida, Jun Agata, Yohei Suzuki, Daisuke Takamura 2020-02-04
10481552 Fixing device having a perforated duct Taisuke Minagawa, Satoru Izawa, Takahiro Uchiyama, Jun Asami, Toshiya Kaino +4 more 2019-11-19
10138083 Sheet discharging apparatus, sheet feeding apparatus and image forming apparatus 2018-11-27
10031476 Image forming apparatus having fixing device and blower for the fixing device Taisuke Minagawa, Satoru Izawa, Takahiro Uchiyama, Jun Asami, Toshiya Kaino +4 more 2018-07-24
9950887 Sheet detecting device and image forming apparatus Naoyuki Maeda 2018-04-24
9904222 Image forming apparatus with plurality of ribs on guide to fixing nip Ken Murooka, Wataru Uchida, Jun Agata, Yohei Suzuki, Daisuke Takamura 2018-02-27
9557702 Image forming apparatus with curl correcting unit Wataru Uchida, Ryo Iwasawa, Taro Ishifune, Mitsuhiro Ohta, Ken Murooka +1 more 2017-01-31
9446923 Sheet conveying apparatus and image forming apparatus Masatoshi Yoshida, Hiroharu Tsuji, Takuya Keino, Junichi Ochi 2016-09-20
9429886 Image forming apparatus having fixing device and blower for the fixing device Taisuke Minagawa, Satoru Izawa, Takahiro Uchiyama, Jun Asami, Toshiya Kaino +4 more 2016-08-30
9411285 Drive transmission device and image forming apparatus Jun Agata, Wataru Uchida, Naoyuki Maeda 2016-08-09
9400462 Image forming apparatus Ken Murooka, Wataru Uchida, Jun Agata, Yohei Suzuki, Daisuke Takamura 2016-07-26
9309075 Sheet processing apparatus and image forming apparatus Junichi Ochi, Hiroharu Tsuji, Takuya Keino 2016-04-12
9280101 Image forming apparatus with lower and upper guide members Ken Murooka, Wataru Uchida, Jun Agata, Yohei Suzuki, Daisuke Takamura 2016-03-08