HA

Hiroyuki Akazawa

EP Epson: 6 patents #2 of 66Top 4%
SS Suwa Seikosha: 4 patents #23 of 220Top 15%
SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
Overall (All Time): #592,423 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5009532 Paper feeding apparatus for accommodating different lengths of recording media for use with a printer Toshihiro Imae 1991-04-23
4602882 Control system of serial printer 1986-07-29
4525085 Serial printer 1985-06-25
4518269 Serial printer 1985-05-21
4500023 Paper feeding apparatus for printers 1985-02-19
4492484 Improved ribbon mask and guide for wire dot printers Kazue Yoshiie 1985-01-08
D275499 Ink ribbon cartridge 1984-09-11
4452542 Serial printer 1984-06-05
4196667 Print hammer for line printer Akio Mitsuishi, Kozo Ishizaka 1980-04-08