RI

Ryoji Inoue

Canon: 100 patents #104 of 19,416Top 1%
HI Hitachi: 9 patents #4,653 of 28,497Top 20%
PR Proterial: 1 patents #122 of 267Top 50%
Overall (All Time): #11,141 of 4,157,543Top 1%
113
Patents All Time

Issued Patents All Time

Showing 101–113 of 113 patents

Patent #TitleCo-InventorsDate
6497475 Liquid discharge method, head, and apparatus which suppress bubble growth at the upstream side Masahiko Kubota, Hiroshi Sugitani, Masanori Takenouchi, Masami Ikeda, Kiyomitsu Kudo +1 more 2002-12-24
6474788 Substrate for use of ink jet head, ink jet head, ink jet cartridge, and ink jet recording apparatus Ichiro Saito, Masanori Takenouchi, Yoshiyuki Imanaka, Osamu Iwasaki, Shin Ishimatsu 2002-11-05
6471337 Ink-jet printing apparatus, ejection recovery method for ink-jet printing apparatus, and fabrication method of ink-jet printing head 2002-10-29
6464345 Liquid discharging head, apparatus and method employing controlled bubble growth, and method of manufacturing the head Masahiko Kubota, Masanori Takenouchi, Kiyomitsu Kudo 2002-10-15
6435670 Liquid discharge head, liquid discharge method, liquid discharge apparatus, recovery method for liquid discharge head, and fluid structure body Masanori Takenouchi, Masahiko Kubota, Kiyomitsu Kudo 2002-08-20
6435661 Liquid discharge head, liquid discharge method and liquid discharge apparatus Hiroshi Sugitani, Masanori Takenouchi, Masami Ikeda, Masahiko Kubota, Kiyomitsu Kudo +1 more 2002-08-20
6402311 Ink jet recording head, ink jet recording head cartridge and ink jet recording apparatus Masanori Takenouchi, Akio Saito, Shin Ishimatsu 2002-06-11
6382768 Method of driving a plurality of heating elements at shifted timings Noribumi Koitabashi, Osamu Iwasaki 2002-05-07
6227645 Liquid jet recording head and assembling method therefor Wataru Takahashi, Masaki Inaba, Ken Hosaka, Hisashi Fukai, Shin Ishimatsu +3 more 2001-05-08
6179411 Ink jet recording head and an ink jet recording apparatus Hideo Saikawa 2001-01-30
6062678 Ink-jet recording head with a particular arrangement of thermoelectric transducers and discharge openings Hiroyuki Ishinaga, Masami Ikeda, Hajime Kaneko, Hideo Saikawa, Noribumi Koitabashi +7 more 2000-05-16
5180696 High-toughness ZrO.sub.2 sintered body and method of producing same 1993-01-19
4999953 Superfinishing machine using lapping film Michio Kinugawa 1991-03-19