Inventor · disambiguated record
Akio Chiba
Also filed as: CHIBA AKIO
18 granted patents·2 pending applications·453 citations·filing 1975–2011
95Inventor score
Top patents by PatentIndex Score
20 records- 0191US7174620B2Method of manufacturing thin quartz crystal waferNIHON DEMPA KOGYO CO·Filed 2003·Granted Feb 13, 2007·58 cites·9 claims
- 0289US5208502ASliding current collector made of ceramicsHITACHI LTD·Filed 1992·Granted May 4, 1993·73 cites·8 claims
- 0387US7034441B2Surface mount crystal unit and surface mount crystal oscillatorNIHON DEMPA KOGYO CO·Filed 2003·Granted Apr 25, 2006·33 cites·15 claims
- 0486US4482912AStacked structure having matrix-fibered composite layers and a metal layerHITACHI LTD·Filed 1982·Granted Nov 13, 1984·62 cites·12 claims
- 0584US4727955ACarbon canister drained vapor diffusing deviceNISSAN MOTOR·Filed 1986·Granted Mar 1, 1988·41 cites·19 claims
- 0683US4497875ACeramic substrate with metal plateHITACHI LTD·Filed 1983·Granted Feb 5, 1985·52 cites·16 claims
- 0777US4690793ANuclear fusion reactorHITACHI LTD·Filed 1984·Granted Sep 1, 1987·35 cites·17 claims
- 0875US4122386AUniform magnetic field generating deviceHITACHI LTD·Filed 1976·Granted Oct 24, 1978·23 cites·33 claims
- 0967US4369981AFuel tank fitting structureNISSAN MOTOR·Filed 1981·Granted Jan 25, 1983·23 cites·8 claims
- 1064US4042898APole piece for use in magnet device and method for manufacturing sameHITACHI LTD·Filed 1975·Granted Aug 16, 1977·12 cites·17 claims
- 1157US6880407B2Load sensor with use of crystal resonatorYAMATO SCALE CO LTD·Filed 2002·Granted Apr 19, 2005·7 cites·2 claims
- 1252US6953761B2Aluminum nitride sintered body and substrate for electronic devicesHITACHI LTD·Filed 2003·Granted Oct 11, 2005·5 cites·20 claims
- 1348US7863802B2Quartz crystal element made of double-rotation Y-cut quartz crystal plateNIHON DEMPA KOGYO CO·Filed 2008·Granted Jan 4, 2011·1 cites·10 claims
- 1448US6930440B2Tuning fork type crystal unit and bar type crystal unitNIHON DEMPA KOGYO CO·Filed 2003·Granted Aug 16, 2005·4 cites·9 claims
- 1547US5200373AHigh strength composite ceramic structure and process for producing the sameHITACHI LTD·Filed 1991·Granted Apr 6, 1993·9 cites·11 claims
- 1643US2005139016A1Load sensor with use of crystal resonatorNIHON DEMPA KOGYO CO·Filed 2005·Application pending·0 cites
- 1742US5266860ACommutatorHITACHI LTD·Filed 1992·Granted Nov 30, 1993·10 cites·21 claims
- 1841US4217568AMagnetic pole pieces for use in a nuclear magnetic resonance apparatusHITACHI LTD·Filed 1977·Granted Aug 12, 1980·5 cites·13 claims
- 1936US9360205B2Lighting apparatus for vacuum apparatusSASAKI TOMOAKI·Filed 2011·Granted Jun 7, 2016·0 cites·9 claims
- 2033US2002078762A1Load sensor employing a crystal unitNIHON DEMPA KOGYO CO·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →