YU

Yoichi Umezawa

OC Oki Electric Industry Co.: 5 patents #405 of 2,807Top 15%
Overall (All Time): #1,054,279 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5651621 Wire dot print head with print wires fixed to tip portions of armatures differentiated in resiliency Hideaki Ishimizu, Toshiyuki Asaka, Takanori Mimura 1997-07-29
5474391 Print gap setting in an impact printer Hirokazu Andou, Hideaki Ishimizu, Mitsuru Kishimoto, Hiroshi Sakaino, Masahiko Shimosugi +1 more 1995-12-12
5439302 Self-adjusting controller for dot impact printer Hirokazu Andou, Mitsuru Kishimoto, Hideaki Ishimizu, Toshiyuki Asaka 1995-08-08
5290113 Wire dot printing head Hirokazu Andoo, Mitsuru Kishimoto, Noboru Ooishi 1994-03-01
5137380 Wire-dot print head Hirokazu Andou, Mitsuru Kishimoto, Noboru Ooishi 1992-08-11