P

Inventor

OHARA KOUZI

JP6 patents
⚠️ This page may combine multiple inventors who share the name “OHARA KOUZI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON SOKEN

3 patents
US5446790AAug 29, 1995

Intake sound control apparatus

NIPPON SOKEN73 citations96
US5970963AOct 26, 1999

Apparatus for preventing flow noise in throttle valve

NIPPON SOKEN50 citations91
US7206691B2Apr 17, 2007

Internal combustion engine knock determination device

NIPPON SOKEN13 citations84

NIPPON DENSO CO

2 patents
US5692052ANov 25, 1997

Engine noise control apparatus

NIPPON DENSO CO60 citations94
US5571239ANov 5, 1996

Noise control apparatus for internal combustion engine

NIPPON DENSO CO51 citations92

TOYOTA MOTOR CO LTD

1 patent
US7673615B2Mar 9, 2010

Internal combustion engine knocking judging device and knocking judging method

TOYOTA MOTOR CO LTD8 citations83