YA

Yuji Akiyama

Canon: 4 patents #158 of 2,200Top 8%
Overall (1997): #5,056 of 185,788Top 3%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5704019 Resolution conversion method and apparatus Kazuhiko Morimura, Masashi Matsumoto, Sadayuki Sugama, Masashi Kamada, Takayuki Ninomiya 1997-12-30
5701146 Ink head recovery method and apparatus Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Atsushi Arai, Tetsuji Kurata, Hitoshi Sugimoto +1 more 1997-12-23
5604520 Ink jet recording method using different mask patterns Miyuki Matsubara, Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Atsushi Arai, Takayuki Murata +2 more 1997-02-18
5594478 Ink jet recording apparatus for divisionally driving a recording head with a plurality of ink jet orifices grouped into blocks Miyuki Matsubara, Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Atsushi Arai, Takayuki Murata +2 more 1997-01-14