Assignee
IBUKI KOGYO CO LTD
JP·7 granted patents·82 citations·filing 1979–1983
Top patents by PatentIndex Score
7 records- 0160US4241334AElectric horn with twin driving electromagnetsIBUKI KOGYO CO LTD·Filed 1979·Granted Dec 23, 1980·14 cites·3 claims
- 0256US4378471AHorn speaker with linear grooves in a front surface of a pole piece of a yokeIBUKI KOGYO CO LTD·Filed 1981·Granted Mar 29, 1983·22 cites·2 claims
- 0350USD269417SSirenIBUKI KOGYO CO LTD·Filed 1980·Granted Jun 21, 1983·5 cites·1 claims
- 0449US4492827AHorn speaker with reduced magnetic flux leakageIBUKI KOGYO CO LTD·Filed 1983·Granted Jan 8, 1985·17 cites·2 claims
- 0543US4317009AColdproof reflex horn speakerIBUKI KOGYO CO LTD·Filed 1980·Granted Feb 23, 1982·12 cites·3 claims
- 0636US4385211AReflex horn speaker with a waterproofing deviceIBUKI KOGYO CO LTD·Filed 1980·Granted May 24, 1983·7 cites·7 claims
- 0733US5166982AHorn speaker having a cooling deviceIBUKI KOGYO CO LTD·Filed 1981·Granted Nov 24, 1992·5 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when IBUKI KOGYO CO LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →