YK

Yutaka Koizumi

Canon: 3 patents #195 of 1,756Top 15%
Overall (1994): #7,121 of 165,921Top 5%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5357268 Ink jet recording head in which the ejection elements are driven in blocks Hideaki Kishida, Akira Katayama, Kimiyuki Hayasaki, Nobuyuki Watanabe, Jiro Moriyama +4 more 1994-10-18
5343227 Ink jet recording apparatus and ink jet recording head with means reducing the amount of warp Toshiaki Hirosawa, Torachika Osada, Jiro Moriyama, Hidemi Kubota, Mineo Kaneko +3 more 1994-08-30
5291215 Ink jet recording apparatus with a thermally stable ink jet recording head Minoru Nozawa, Toshihiro Mori, Atsushi Saito 1994-03-01