SS

Shigeyuki Sugiyama

Canon: 3 patents #387 of 2,505Top 20%
Overall (2002): #20,958 of 266,432Top 8%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6467868 Ink discharge detecting method for an ink jet recording apparatus, said ink jet recording apparatus, and an image forming device using said ink jet recording apparatus Atsushi Saito, Akio Okubo, Keizo Sasai, Yasuhiko Ikeda, Mitsuo Morita 2002-10-22
6426803 Reading/printing apparatus and reading apparatus Keizo Sasai, Atsushi Saito, Hiroshi Ogushi, Kazuyuki Morinaga, Fumihiko Nakamura +3 more 2002-07-30
6419341 Method and apparatus for detecting the discharge status of inkjet printheads Yukio Nohata, Atsushi Saito, Takeshi Kohno, Takashi Ono, Shinichiro Kohri 2002-07-16