HK

Hiroshi Koshikawa

Canon: 2 patents #719 of 3,719Top 20%
Overall (2023): #151,428 of 537,848Top 30%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11660873 Liquid ejection apparatus Hiroki Hayashi, Hiroshi Yamada, Yasunori Takei 2023-05-30
D982073 Ink bottle for refilling printer cartridges Kenta Udagawa, Hiroki Hayashi, Noriyasu Nagai, Manabu Ohara, Shoki Takiguchi 2023-03-28