TO

Takeshi Ohtsu

Canon: 22 patents #2,832 of 19,416Top 15%
Overall (All Time): #191,464 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
11914325 Toner and method for producing toner Takeshi Hashimoto, Kentaro Kamae, Hayato Ida 2024-02-27
11809131 Toner Kentaro Kamae, Takeshi Hashimoto, Hayato Ida 2023-11-07
11720036 Toner Takakuni Kobori, Kenta Mitsuiki, Hitoshi Sano, Wakiko Katsumata, Daisuke Yamashita +5 more 2023-08-08
11675283 Magnetic carrier, two-component developer, and method for producing magnetic carrier Kentaro Kamae, Kazuhisa Shirayama, Takeshi Hashimoto, Hayato Ida 2023-06-13
11429032 Toner and method of producing toner Takaho Shibata, Yuichi Mizo, Koh Ishigami, Takakuni Kobori, Masaharu Miura +7 more 2022-08-30
10859935 Toner Tadashi Fukuda, Mikihiro Akasaki, Akinori Miyamoto, Kota Mori, Masami Hano +5 more 2020-12-08
10838316 Image forming apparatus Akinori Miyamoto, Kota Mori, Masami Hano, Takashi Kase, Tadashi Fukuda +1 more 2020-11-17
10809640 Toner Yosuke Iwasaki, Kenta Mitsuiki, Wakiko Katsumata, Masaharu Miura, Koh Ishigami +7 more 2020-10-20
10642178 Toner Daisuke Yamashita, Yuichi Mizo, Koh Ishigami, Masaharu Miura, Takaho Shibata +6 more 2020-05-05
10423090 Magenta toner and toner kit Yosuke Iwasaki, Wakiko Katsumata, Koh Ishigami, Masaharu Miura, Kentaro Kamae +3 more 2019-09-24
10234777 Toner and method for manufacturing toner Kentaro Kamae, Ryuichiro Matsuo, Yosuke Iwasaki, Wakiko Katsumata, Kenta Mitsuiki +3 more 2019-03-19
10216108 Toner production method and polymer Yosuke Iwasaki, Kentaro Kamae, Ryuichiro Matsuo, Wakiko Katsumata, Kenta Mitsuiki +3 more 2019-02-26
10133201 Toner Kentaro Kamae, Ryuichiro Matsuo, Yosuke Iwasaki, Wakiko Katsumata, Kenta Mitsuiki +3 more 2018-11-20
10012918 Toner and method for producing toner Koh Ishigami, Kentaro Kamae, Ryuichiro Matsuo, Yosuke Iwasaki, Wakiko Katsumata +3 more 2018-07-03
10012921 Toner Kentaro Kamae, Ryuichiro Matsuo, Yosuke Iwasaki, Wakiko Katsumata, Kenta Mitsuiki +3 more 2018-07-03
9969834 Wax dispersant for toner and toner Kentaro Kamae, Ryuichiro Matsuo, Yosuke Iwasaki, Wakiko Katsumata, Masaharu Miura +3 more 2018-05-15
9915885 Toner Wakiko Katsumata, Kentaro Kamae, Masaharu Miura, Koh Ishigami, Ryuichiro Matsuo +2 more 2018-03-13
9671707 Apparatus for heat-treating powder particles and method of producing toner Hironori Minagawa, Yuichi Mizo, Takakuni Kobori, Kohji Takenaka, Junichi Hagiwara +3 more 2017-06-06
9665021 Heat treating apparatus for powder particles and method of producing toner Yuichi Mizo, Hironori Minagawa, Takakuni Kobori, Kohji Takenaka, Junichi Hagiwara +2 more 2017-05-30
9372420 Heat treating apparatus for powder particles and method of producing toner Yuichi Mizo, Hironori Minagawa, Takakuni Kobori, Kohji Takenaka, Junichi Hagiwara +2 more 2016-06-21
9075328 Heat treatment apparatus and method for manufacturing toner Hironori Minagawa, Yuichi Mizo, Junichi Hagiwara, Yasushi Tamura 2015-07-07
8288069 Toner and two-component developer Hiroyuki Fujikawa, Kunihiko Nakamura, Nozomu Komatsu, Yoshiaki Shiotari, Takayuki Itakura 2012-10-16