Inventor · disambiguated record
Toshihito Shirai
Also filed as: SHIRAI TOSHIHITO
20 granted patents·289 citations·filing 1993–2014
95Inventor score
Files withNIPPON SIGNAL CO LTD20
Top patents by PatentIndex Score
20 records- 0189US7443342B2Reception time determining apparatus and distance measuring apparatus using the sameNIPPON SIGNAL CO LTD·Filed 2006·Granted Oct 28, 2008·59 cites·10 claims
- 0282US7197932B2Failure detecting systemNIPPON SIGNAL CO LTD·Filed 2000·Granted Apr 3, 2007·24 cites·19 claims
- 0379US6047634AFail-safe automatic sliding operation control apparatus for pressNIPPON SIGNAL CO LTD·Filed 1997·Granted Apr 11, 2000·28 cites·28 claims
- 0474US5798703AMat sensorNIPPON SIGNAL CO LTD·Filed 1996·Granted Aug 25, 1998·32 cites·39 claims
- 0568US6434025B2Power supply unitNIPPON SIGNAL CO LTD·Filed 1999·Granted Aug 13, 2002·37 cites·44 claims
- 0662US5574320ALoad drive circuitNIPPON SIGNAL CO LTD·Filed 1993·Granted Nov 12, 1996·16 cites·10 claims
- 0756US9319163B2Wireless communication network system synchronization methodNIPPON SIGNAL CO LTD·Filed 2014·Granted Apr 19, 2016·2 cites·16 claims
- 0851US5793197AApparatus for confirming stop of movable portionNIPPON SIGNAL CO LTD·Filed 1995·Granted Aug 11, 1998·10 cites·17 claims
- 0948US6031790AInformation generator using elastic waveNIPPON SIGNAL CO LTD·Filed 1997·Granted Feb 29, 2000·12 cites·15 claims
- 1047US5717302AMotor stopped verification apparatusNIPPON SIGNAL CO LTD·Filed 1994·Granted Feb 10, 1998·12 cites·16 claims
- 1146US6292432B1Information generating apparatus using elastic wavesNIPPON SIGNAL CO LTD·Filed 1999·Granted Sep 18, 2001·11 cites·15 claims
- 1244US6459656B1Information generating apparatus using elastic wavesNIPPON SIGNAL CO LTD·Filed 2001·Granted Oct 1, 2002·5 cites·12 claims
- 1344US5734269ABridge circuit fault monitoring apparatus using an output signal level from a bridge circuit and a power source current level to determine faultsNIPPON SIGNAL CO LTD·Filed 1994·Granted Mar 31, 1998·9 cites·7 claims
- 1442US9628998B2Wireless communication network systemNIPPON SIGNAL CO LTD·Filed 2014·Granted Apr 18, 2017·0 cites·12 claims
- 1541US6657762B2Optical barrier deviceNIPPON SIGNAL CO LTD·Filed 2000·Granted Dec 2, 2003·4 cites·18 claims
- 1640US6239956B1Fail-safe timing circuit and on-delay circuit using the sameNIPPON SIGNAL CO LTD·Filed 1996·Granted May 29, 2001·5 cites·13 claims
- 1737US5867775AFail-safe signal transmitting apparatus producing a logical product of an input signal and a carrier signalNIPPON SIGNAL CO LTD·Filed 1994·Granted Feb 2, 1999·8 cites·8 claims
- 1836US5905354AMotor stopped verification sensorNIPPON SIGNAL CO LTD·Filed 1996·Granted May 18, 1999·9 cites·28 claims
- 1935US6392451B1Threshold value operation circuit, and, and gate circuit, self hold circuit, start signal generation circuit using threshold value operation circuitNIPPON SIGNAL CO LTD·Filed 1999·Granted May 21, 2002·3 cites·27 claims
- 2033US5773972ATransition detection circuit for detecting transitions in the state of an object of detectionNIPPON SIGNAL CO LTD·Filed 1996·Granted Jun 30, 1998·3 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →