WK

Wakiko Katsumata

Canon: 14 patents #4,747 of 19,416Top 25%
📍 Kashiwa, JP: #89 of 653 inventorsTop 15%
Overall (All Time): #342,157 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11720036 Toner Takakuni Kobori, Kenta Mitsuiki, Hitoshi Sano, Daisuke Yamashita, Yosuke Iwasaki +5 more 2023-08-08
11429032 Toner and method of producing toner Takaho Shibata, Yuichi Mizo, Koh Ishigami, Takakuni Kobori, Masaharu Miura +7 more 2022-08-30
10877386 Toner Ryuji Murayama, Junichi Tamura, Kentaro Kamae, Hayato Ida, Daisuke Yamashita +3 more 2020-12-29
10852652 Toner Daisuke Yamashita, Masaharu Miura, Takaho Shibata, Yuichi Mizo 2020-12-01
10809640 Toner Yosuke Iwasaki, Kenta Mitsuiki, Takeshi Ohtsu, 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 Takeshi Ohtsu, Yosuke Iwasaki, Koh Ishigami, Masaharu Miura, Kentaro Kamae +3 more 2019-09-24
10234777 Toner and method for manufacturing toner Takeshi Ohtsu, Kentaro Kamae, Ryuichiro Matsuo, Yosuke Iwasaki, Kenta Mitsuiki +3 more 2019-03-19
10216108 Toner production method and polymer Yosuke Iwasaki, Takeshi Ohtsu, Kentaro Kamae, Ryuichiro Matsuo, Kenta Mitsuiki +3 more 2019-02-26
10133201 Toner Kentaro Kamae, Ryuichiro Matsuo, Yosuke Iwasaki, Kenta Mitsuiki, Takeshi Ohtsu +3 more 2018-11-20
10012918 Toner and method for producing toner Koh Ishigami, Takeshi Ohtsu, Kentaro Kamae, Ryuichiro Matsuo, Yosuke Iwasaki +3 more 2018-07-03
10012921 Toner Kentaro Kamae, Ryuichiro Matsuo, Yosuke Iwasaki, Kenta Mitsuiki, Takeshi Ohtsu +3 more 2018-07-03
9969834 Wax dispersant for toner and toner Takeshi Ohtsu, Kentaro Kamae, Ryuichiro Matsuo, Yosuke Iwasaki, Masaharu Miura +3 more 2018-05-15
9915885 Toner Kentaro Kamae, Masaharu Miura, Takeshi Ohtsu, Koh Ishigami, Ryuichiro Matsuo +2 more 2018-03-13