HF

Hiroyuki Fujikawa

Canon: 57 patents #533 of 19,416Top 3%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
AC Advics Co.: 2 patents #250 of 686Top 40%
SM Suzuki Motor: 1 patents #523 of 1,209Top 45%
Overall (All Time): #32,900 of 4,157,543Top 1%
66
Patents All Time

Issued Patents All Time

Showing 1–25 of 66 patents

Patent #TitleCo-InventorsDate
11131939 Toner Masayuki Hama, Yuto Onozaki, Takeshi Hashimoto, Megumi Shino, Ichiro Kanno +1 more 2021-09-28
10955765 Magnetic carrier and two-component developer Yuto Onozaki, Ichiro Kanno, Ryo Nakajima, Kazuyuki Sakamoto, Nozomu Komatsu +1 more 2021-03-23
10935902 Toner Ichiro Kanno, Nozomu Komatsu, Yuto Onozaki, Takakuni Kobori, Kazuyuki Sakamoto +1 more 2021-03-02
10620556 Toner Nozomu Komatsu, Masayuki Hama, Takeshi Hashimoto, Ichiro Kanno, Yuto Onozaki +4 more 2020-04-14
10599060 Toner Ichiro Kanno, Takeshi Hashimoto, Nozomu Komatsu, Masayuki Hama, Yuto Onozaki +1 more 2020-03-24
10564560 Toner Yuto Onozaki, Takeshi Hashimoto, Ichiro Kanno, Masayuki Hama, Nozomu Komatsu 2020-02-18
10474049 Toner Yuto Onozaki, Masayuki Hama, Takeshi Hashimoto, Ichiro Kanno, Hitoshi Sano +4 more 2019-11-12
10451986 Toner Hitoshi Sano, Takeshi Hashimoto, Masayuki Hama, Ichiro Kanno, Yuto Onozaki +4 more 2019-10-22
10423086 Toner Masayuki Hama, Takeshi Hashimoto, Yuto Onozaki, Ichiro Kanno, Nozomu Komatsu 2019-09-24
10401748 Toner Takeshi Hashimoto, Nozomu Komatsu, Yuto Onozaki, Akifumi Matsubara, Ichiro Kanno +4 more 2019-09-03
10274851 Toner Takeshi Hashimoto, Masayuki Hama, Yuto Onozaki, Ichiro Kanno, Nozomu Komatsu 2019-04-30
10197936 Toner Yuto Onozaki, Takeshi Hashimoto, Ichiro Kanno, Masayuki Hama, Hitoshi Sano +3 more 2019-02-05
10175595 Toner Yuto Onozaki, Takeshi Hashimoto, Ichiro Kanno, Megumi Ikeda, Masayuki Hama +5 more 2019-01-08
10146146 Toner and method of producing toner Nozomu Komatsu, Takeshi Hashimoto, Masayuki Hama, Takakuni Kobori, Ichiro Kanno +4 more 2018-12-04
10088773 Developer supply kit, developer supplying device and image forming apparatus Masato Yamaoka, Kunihiko Nakamura, Yusuke Yamada, Emi Watanabe, Nobuo Nakajima +1 more 2018-10-02
10082743 Toner Masayuki Hama, Hideki Kaneko, Takeshi Hashimoto, Ichiro Kanno, Nozomu Komatsu +1 more 2018-09-25
10048610 Toner and method for manufacturing toner Ichiro Kanno, Takeshi Hashimoto, Masayuki Hama, Hitoshi Sano, Nozomu Komatsu +2 more 2018-08-14
10036970 Magenta toner Ichiro Kanno, Takeshi Hashimoto, Nozomu Komatsu, Masayuki Hama, Hitoshi Sano +4 more 2018-07-31
9720349 Developer supply kit, developer supplying device and image forming apparatus Masato Yamaoka, Kunihiko Nakamura, Yusuke Yamada, Emi Watanabe, Nobuo Nakajima +1 more 2017-08-01
9665026 Toner and two-component developer Yosuke Iwasaki, Nozomu Komatsu, Takakuni Kobori, Kohji Takenaka, Hideki Kaneko +2 more 2017-05-30
9651883 Toner Masayuki Hama, Ichiro Kanno, Takeshi Hashimoto, Nozomu Komatsu, Takakuni Kobori 2017-05-16
9594323 Toner Kunihiko Nakamura, Nozomu Komatsu, Kosuke Fukudome, Yoshiaki Shiotari, Takayuki Itakura 2017-03-14
9436112 Toner and two-component developer Yosuke Iwasaki, Nozomu Komatsu, Takakuni Kobori, Kohji Takenaka, Hideki Kaneko +2 more 2016-09-06
9417540 Toner and two-component developer Takeshi Hashimoto, Hideki Kaneko, Nozomu Komatsu, Takakuni Kobori, Yosuke Iwasaki +2 more 2016-08-16
9348253 Image-forming method Ichiro Kanno, Takeshi Hashimoto, Hideki Kaneko, Masayuki Hama, Nozomu Komatsu +1 more 2016-05-24