Inventor
HIROSE KOICHI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “HIROSE KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
7 patentsUS4451746AMay 29, 1984
Non-linear emphasis circuit
HITACHI LTD11 citations74
US4321618AMar 23, 1982
Reproducing system for video tape recorders
HITACHI LTD7 citations74
US5121265AJun 9, 1992
Magnetic recording and reproducing apparatus
HITACHI LTD14 citations70
US4689579AAug 25, 1987
Analog integrated circuit
HITACHI LTD6 citations63
US4634995AJan 6, 1987
Electronic circuitry utilizing an inerted Darlington amplifier output stage to be operable with a low supply voltage
HITACHI LTD6 citations62
US4497004AJan 29, 1985
Picture reproducing apparatus in a helical scanning video tape recorder
HITACHI LTD6 citations61
US4519005AMay 21, 1985
Magnetic tape reproducing apparatus
HITACHI LTD0 citations42
YANMAR POWER TECHNOLOGY CO LTD
6 patentsUS11248541B2Feb 15, 2022
Engine
YANMAR POWER TECHNOLOGY CO LTD1 citations71
US11060491B2Jul 13, 2021
Engine
YANMAR POWER TECHNOLOGY CO LTD2 citations71
US11767798B2Sep 26, 2023
Engine
YANMAR POWER TECHNOLOGY CO LTD0 citations61
US11661912B2May 30, 2023
Engine
YANMAR POWER TECHNOLOGY CO LTD0 citations61
US11525411B2Dec 13, 2022
Engine
YANMAR POWER TECHNOLOGY CO LTD0 citations61
US11391254B2Jul 19, 2022
Engine
YANMAR POWER TECHNOLOGY CO LTD0 citations61