Inventor

OGAWA NOBORU

JP7 patents

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

HITACHI LTD

2 patents

US5298848AMar 29, 1994

Large capacity variable speed PWM spatial vector type sub-harmonic system for driving AC electric motor

HITACHI LTD79 citations94

US4626976ADec 2, 1986

Switch mode power supply having magnetically controlled output

HITACHI LTD18 citations71

HARADA IND CO LTD

2 patents

US6671502B1Dec 30, 2003

Control device for radio repeater in communication field

HARADA IND CO LTD31 citations91

US6493537B1Dec 10, 2002

Apparatus and method for preventing oscillations in a radio repeater device

HARADA IND CO LTD25 citations91

MARUKO KOGYO KABUSHIKI KAISHA

1 patent

US7123648B2Oct 17, 2006

Radio relay apparatus

MARUKO KOGYO KABUSHIKI KAISHA13 citations78

JAPAN EXLAN CO LTD

1 patent

US4818458AApr 4, 1989

Method of producing acrylic fibers

JAPAN EXLAN CO LTD8 citations72

BEIJING BORK METAL HOSE CO LTD

1 patent

US6431610B1Aug 13, 2002

Tube assembly for communicating water to a fixture

BEIJING BORK METAL HOSE CO LTD10 citations64