MH

Masayuki Hama

Canon: 25 patents #2,400 of 19,416Top 15%
📍 Ibaraki, JP: #289 of 6,779 inventorsTop 5%
Overall (All Time): #159,677 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
12386280 Toner HISASUKE KAJIHARA, Yuya Chimoto, Hayato Ida, Kouichirou Ochi, Kazuhisa Shirayama 2025-08-12
11662670 Toner Ichiro Kanno, Kentaro Kamae, Takeshi Hashimoto, Hayato Ida 2023-05-30
11131939 Toner Yuto Onozaki, Takeshi Hashimoto, Megumi Shino, Ichiro Kanno, Nozomu Komatsu +1 more 2021-09-28
10620556 Toner Nozomu Komatsu, Takeshi Hashimoto, Ichiro Kanno, Yuto Onozaki, Megumi Ikeda +4 more 2020-04-14
10599060 Toner Ichiro Kanno, Takeshi Hashimoto, Nozomu Komatsu, Yuto Onozaki, Megumi Ikeda +1 more 2020-03-24
10564560 Toner Yuto Onozaki, Takeshi Hashimoto, Ichiro Kanno, Nozomu Komatsu, Hiroyuki Fujikawa 2020-02-18
10474049 Toner Yuto Onozaki, Takeshi Hashimoto, Ichiro Kanno, Hitoshi Sano, Akifumi Matsubara +4 more 2019-11-12
10451986 Toner Hitoshi Sano, Takeshi Hashimoto, Ichiro Kanno, Yuto Onozaki, Akifumi Matsubara +4 more 2019-10-22
10423086 Toner Takeshi Hashimoto, Yuto Onozaki, Ichiro Kanno, Nozomu Komatsu, Hiroyuki Fujikawa 2019-09-24
10401748 Toner Takeshi Hashimoto, Nozomu Komatsu, Yuto Onozaki, Akifumi Matsubara, Ichiro Kanno +4 more 2019-09-03
10274851 Toner Takeshi Hashimoto, Yuto Onozaki, Ichiro Kanno, Nozomu Komatsu, Hiroyuki Fujikawa 2019-04-30
10197936 Toner Yuto Onozaki, Takeshi Hashimoto, Ichiro Kanno, Hitoshi Sano, Nozomu Komatsu +3 more 2019-02-05
10175595 Toner Yuto Onozaki, Takeshi Hashimoto, Ichiro Kanno, Megumi Ikeda, Nozomu Komatsu +5 more 2019-01-08
10146146 Toner and method of producing toner Nozomu Komatsu, Takeshi Hashimoto, Takakuni Kobori, Ichiro Kanno, Yuto Onozaki +4 more 2018-12-04
10082743 Toner Hideki Kaneko, Takeshi Hashimoto, Ichiro Kanno, Nozomu Komatsu, Takakuni Kobori +1 more 2018-09-25
10048610 Toner and method for manufacturing toner Ichiro Kanno, Takeshi Hashimoto, Hitoshi Sano, Nozomu Komatsu, Tsubasa Fujisaki +2 more 2018-08-14
10036970 Magenta toner Ichiro Kanno, Takeshi Hashimoto, Nozomu Komatsu, Hitoshi Sano, Yuto Onozaki +4 more 2018-07-31
9665023 Toner and two-component developer Kentaro Kamae, Ryuichiro Matsuo, Koh Ishigami, Masaharu Miura, Hiroaki Kawakami 2017-05-30
9651883 Toner Ichiro Kanno, Takeshi Hashimoto, Nozomu Komatsu, Takakuni Kobori, Hiroyuki Fujikawa 2017-05-16
9348253 Image-forming method Ichiro Kanno, Takeshi Hashimoto, Hideki Kaneko, Nozomu Komatsu, Takakuni Kobori +1 more 2016-05-24
8927188 Method of producing magnetic carrier and magnetic carrier that uses this production method Takeshi Naka, Kentaro Kamae, Koh Ishigami, Yoshinobu Baba, Hiroaki Kawakami +2 more 2015-01-06
8921023 Magnetic carrier and two-component developer Yoshinobu Baba, Koh Ishigami, Kentaro Kamae, Hiroaki Kawakami 2014-12-30
8530129 Image forming method Masaya Kawada, Masaharu Miura 2013-09-10
7135263 Toner Hiroaki Kawakami, Fumihiro Arahira, Noriyoshi Umeda 2006-11-14
6430384 Developer-carrying member having exposed surface containing graphite or molybdenum disulfide particles Kazushige Nishiyama 2002-08-06