KK

Keiichi Kumagai

SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
Overall (All Time): #1,753,165 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11932020 Liquid container Shogo NAKADA 2024-03-19
7871157 Liquid-jet apparatus liquid introducing needle with air intake suppression Yasunori Koike, Katsuhiro Okubo, Noriaki Okazawa, Takeshi Fujishiro 2011-01-18