HW

Hisashi Watamura

SE Seiko Epson: 3 patents #3,864 of 7,774Top 50%
Overall (All Time): #1,465,665 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10250148 Printing apparatus, control method thereof, and power supply circuit therefor 2019-04-02
6733195 Head drive circuit for impact dot printer Hiroshi Shirotori 2004-05-11
6659663 Head drive circuit for impact dot printer Hiroshi Shirotori 2003-12-09