Assignee
COSMO INSTR CO LTD
US·15 granted patents·2 pending applications·460 citations·filing 1978–2024
Top patents by PatentIndex Score
17 records- 0193US4686638ALeakage inspection method with object type compensationCOSMO INSTR CO LTD·Filed 1984·Granted Aug 11, 1987·66 cites·3 claims
- 0292US4811252ALeakage test equipmentCOSMO INSTR CO LTD·Filed 1986·Granted Mar 7, 1989·65 cites·20 claims
- 0391US6182501B1Leak test method and apparatusCOSMO INSTR CO LTD·Filed 1998·Granted Feb 6, 2001·88 cites·16 claims
- 0487US4670847APressure variation detecting type leakage inspection equipmentCOSMO INSTR CO LTD·Filed 1983·Granted Jun 2, 1987·57 cites·7 claims
- 0586US4241750APressure setting deviceCOSMO INSTR CO LTD·Filed 1978·Granted Dec 30, 1980·37 cites·9 claims
- 0684US4675834APressure variation detecting type leakage inspection system with temperature compensationCOSMO INSTR CO LTD·Filed 1984·Granted Jun 23, 1987·48 cites·6 claims
- 0778US7805259B2Method for detecting an operation malfunction of a leakage inspector, and a leakage inspector having a function to detect an operation malfunction thereofCOSMO INSTR CO LTD·Filed 2007·Granted Sep 28, 2010·6 cites·16 claims
- 0874US4888718AVolume measuring apparatus and methodCOSMO INSTR CO LTD·Filed 1988·Granted Dec 19, 1989·31 cites·13 claims
- 0970US7818133B2Leak inspection method and leak inspectorCOSMO INSTR CO LTD·Filed 2007·Granted Oct 19, 2010·6 cites·18 claims
- 1066US4729244AFlow rate measuring apparatusCOSMO INSTR CO LTD·Filed 1986·Granted Mar 8, 1988·24 cites·16 claims
- 1161US11719596B2Gas leak sensing device, setting method for gas leak sensing, gas leak sensing method, and tangible mediumCOSMO INSTR CO LTD·Filed 2021·Granted Aug 8, 2023·0 cites·18 claims
- 1256US2024426694A1Flow rate controller and leak testerCOSMO INSTR CO LTD·Filed 2024·Application pending·0 cites
- 1352US5013006AMicro-leakage regulating valveCOSMO INSTR CO LTD·Filed 1990·Granted May 7, 1991·17 cites·9 claims
- 1448US11773988B2Flow resistor, flow rate control device, and flow rate control methodCOSMO INSTR CO LTD·Filed 2020·Granted Oct 3, 2023·0 cites·20 claims
- 1543US6827327B2Flow resistance setting nozzleCOSMO INSTR CO LTD·Filed 2003·Granted Dec 7, 2004·2 cites·17 claims
- 1643US4875932AApparatus for measuring a flow rateCOSMO INSTR CO LTD·Filed 1988·Granted Oct 24, 1989·13 cites·5 claims
- 1742US2008000289A1Seal Member for Use With Leakage Testing Apparatus, Seal Ring for Use With Leakage Testing Apparatus, and Seal Jig for Use With Leakage Testing ApparatusCOSMO INSTR CO LTD·Filed 2004·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →