Inventor · disambiguated record
Sakari Ohira
Also filed as: OHIRA SAKARI
12 granted patents·218 citations·filing 1989–1998
92Inventor score
Files withHITACHI ELECTRONICS8TOHOKU ELECTRIC POWER CO2FAR EAST MERCANTILE CO1TOUHOKU DENRYOKU KABUSHIKI KAI1
Top patents by PatentIndex Score
12 records- 0187US5070537ASystem for detecting defective point on power transmission line by utilizing satelliteTOHOKU ELECTRIC POWER CO·Filed 1989·Granted Dec 3, 1991·59 cites·4 claims
- 0265US5493698ARadio apparatus for simulataneously transmitting and receiving signals using a simple frequencyHITACHI ELECTRONICS·Filed 1994·Granted Feb 20, 1996·38 cites·7 claims
- 0361US5508619ASystem for discriminating kinds of surges on power transmission linesFAR EAST MERCANTILE CO·Filed 1994·Granted Apr 16, 1996·25 cites·15 claims
- 0452US5633862ADTMF signal transmission method in single frequency simultaneous transmitting and receiving system and single frequency simultaneous transmitting and receiving system transceiver capable of transmitting DTMF signalHITACHI ELECTRONICS·Filed 1994·Granted May 27, 1997·21 cites·9 claims
- 0546US5734969ARadio communication method and apparatus which adds an interrupt enable synchronizing signal to a compressed voice signal in place of a synchronizing A signalHITACHI ELECTRONICS·Filed 1996·Granted Mar 31, 1998·12 cites·10 claims
- 0640US5524274ATransceiver controlled by absence/presence of input signalHITACHI ELECTRONICS·Filed 1994·Granted Jun 4, 1996·11 cites·4 claims
- 0737US5956650ACommunication system interconnecting telephone line and single-frequency simultaneous transmission/reception radio systemHITACHI ELECTRONICS·Filed 1995·Granted Sep 21, 1999·11 cites·22 claims
- 0835US5355363AVoice transmission method and apparatus in duplex radio systemHITACHI ELECTRONICS·Filed 1993·Granted Oct 11, 1994·9 cites·10 claims
- 0932US6259255B1Surge locating system of power transmission line and method thereofTOHOKU ELECTRIC POWER CO·Filed 1998·Granted Jul 10, 2001·3 cites·9 claims
- 1031US5553079ARadio communication apparatus and method for multiplex transmission of voice and data signalsHITACHI ELECTRONICS·Filed 1995·Granted Sep 3, 1996·22 cites·22 claims
- 1130US5697049ARadio relay method, radio relay system using the method and radio unitHITACHI ELECTRONICS·Filed 1994·Granted Dec 9, 1997·3 cites·3 claims
- 1221US5490167ADuplex voice communication radio transmitter-receiverTOUHOKU DENRYOKU KABUSHIKI KAI·Filed 1990·Granted Feb 6, 1996·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →