Inventor

UMEDA IKUO

JP4 patents

⚠️ This page may combine multiple inventors who share the name “UMEDA IKUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHARP KK

3 patents

US4401990AAug 30, 1983

Nozzle cleaning device in an ink jet system printer

SHARP KK30 citations91

US4288796ASep 8, 1981

Phase detection in an ink jet system printer of the charge amplitude controlling type

SHARP KK11 citations72

US4185930AJan 29, 1980

Print position control in a printer including a printer head mounted on a traveling carriage

SHARP KK7 citations72

NIPPON TELEGRAPH & TELEPHONE

1 patent

US4115788ASep 19, 1978

Compound matrix formation in an ink jet system printer

NIPPON TELEGRAPH & TELEPHONE12 citations69