HK

Hiroki Kagawa

JT Jtekt: 10 patents #140 of 1,969Top 8%
Canon: 9 patents #6,722 of 19,416Top 35%
MM Madza Motor: 1 patents #1 of 24Top 5%
Overall (All Time): #213,771 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12298709 Toner and method for producing toner Hiroki Akiyama, Shuntaro Watanabe, Shuhei Moribe 2025-05-13
12228882 Toner Atsuhiko Ohmori, Keisuke Adachi, Tomoko Sugita 2025-02-18
12078960 Toner and method for producing toner Shuhei Moribe, Shuntaro Watanabe, Hiroki Akiyama 2024-09-03
11809132 Toner Yuujirou Nagashima, Yasuhiro Hashimoto, Koji Nishikawa, Tomoya Nagaoka, Shuntaro Watanabe +1 more 2023-11-07
11796930 Magnetic toner Shuntaro Watanabe, Hiroki Akiyama 2023-10-24
11415902 Toner Shuntaro Watanabe, Hiroki Akiyama 2022-08-16
11112713 Toner Hiroki Akiyama, Shuhei Moribe, Hiroyuki Tomono, Tatsuya Saeki, Atsuhiko Ohmori +1 more 2021-09-07
11112709 Toner and toner manufacturing method Tatsuya Saeki, Shuntaro Watanabe, Hiroki Akiyama, Takashi Matsui 2021-09-07
11078824 Cooling system 2021-08-03
10969704 Magnetic toner and method for manufacturing magnetic toner Shuntaro Watanabe, Hiroki Akiyama, Tatsuya Saeki, Takashi Matsui 2021-04-06
10801499 External gear pump 2020-10-13
9683573 Motor control apparatus and electric pump unit Kengo Uda, Yasuyuki Aoki 2017-06-20
9309881 Electric pump system Kengo Uda, Yasuyuki Aoki 2016-04-12
9145876 Motor control unit and electric pump unit 2015-09-29
9046173 Transmission driving device Yasuhiro Yukitake 2015-06-02
8876501 Electric pump unit Akihiko Kawano 2014-11-04
8790095 Electric pump unit Takatoshi Sakata, Akihiko Kawano 2014-07-29
8714041 Transmission Yasuhiro Yukitake, Akiyoshi Tashiro, Takafumi Uemoto 2014-05-06
8525456 Electric pump device 2013-09-03
5955545 Coating for polyolefin containing copolymer of monomer with distant OH Yoshiaki Marutani, Mika Ohsawa, Yasuyuki Takeuchi 1999-09-21