P

Inventor

UEKI YUKINARI

JP4 patents
⚠️ This page may combine multiple inventors who share the name “UEKI YUKINARI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

3 patents
US4994915AFeb 19, 1991

Aperture correction circuit

HITACHI LTD20 citations79
US4782246ANov 1, 1988

Phase shift circuit for electrical signal

HITACHI LTD15 citations72
US4748422AMay 31, 1988

Amplifier circuit suitable for use as an active filter circuit

HITACHI LTD9 citations72

OCHI MANABU

1 patent
US8589964B2Nov 19, 2013

Cooling arrangement for an optical pick-up

OCHI MANABU1 citations46