HK

Hiroshi Koshikawa

Canon: 6 patents #102 of 3,943Top 3%
Overall (2021): #17,174 of 548,734Top 4%
7
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
D936141 Nozzle for ink bottle for refilling printer cartridges Manabu Ohara, Shoki Takiguchi, Kenta Udagawa, Hiroki Hayashi, Noriyasu Nagai 2021-11-16
D936140 Cap for ink bottle for refilling printer cartridges Manabu Ohara, Hitomi Ogasawara, Noriyasu Nagai, Akihisa Shiozaki, Kenta Udagawa +2 more 2021-11-16
11111061 Liquid storage bottle Noriyasu Nagai, Kenta Udagawa, Hiroki Hayashi, Manabu Ohara, Shoki Takiguchi 2021-09-07
11090944 Liquid storage bottle Shoki Takiguchi, Kenta Udagawa, Hiroki Hayashi, Noriyasu Nagai, Manabu Ohara 2021-08-17
D925647 Ink bottle for refilling printer cartridges Hitomi Ogasawara, Manabu Ohara, Shoki Takiguchi, Akihisa Shiozaki, Hiroki Hayashi +2 more 2021-07-20
10994548 Liquid reservoir container and liquid ejection apparatus Keisuke Iinuma, Kenta Udagawa, Tatsuo Nanjo 2021-05-04
10967643 Liquid ejecting apparatus Tatsuo Nanjo, Kenta Udagawa, Keisuke Iinuma 2021-04-06