RK

Ryoichi Koizumi

Canon: 2 patents #645 of 2,554Top 30%
Overall (2003): #44,717 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6598952 Liquid jet recording head having controller for controlling temperature distribution Hiroyuki Ishinaga, Masami Ikeda, Asao Saito, Kenjiro Watanabe, Tsutomu Abe +5 more 2003-07-29
6505907 Recording apparatus having abnormality determination based on temperature and average ejection duty cycle Hiroyuki Ishinaga, Masami Ikeda, Asao Saito, Kenjiro Watanabe, Tsutomu Abe +5 more 2003-01-14