Inventor · disambiguated record
Ryobun Tachita
Also filed as: TACHITA RYOBUN
17 granted patents·519 citations·filing 1979–2000
95Inventor score
Top patents by PatentIndex Score
17 records- 0196US4440025AArc scan transducer array having a diverging lensMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Apr 3, 1984·109 cites·14 claims
- 0290US4310907AScan converter for a sector scan type ultrasound imaging systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1979·Granted Jan 12, 1982·53 cites·12 claims
- 0380US4368643AUltrasonic imaging by radial scan beams emanating from a hypothetical point located behind linear transducer arrayMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Jan 18, 1983·36 cites·7 claims
- 0477US4696058ADiversity receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Sep 22, 1987·40 cites·10 claims
- 0577US4470308AArc scan ultrasonic imaging system having diverging lens and path-length compensatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Sep 11, 1984·28 cites·8 claims
- 0671US4800577AGPS receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Jan 24, 1989·33 cites·11 claims
- 0767US6766172B1Road vehicle communication method using light and radioOKI ELECTRIC IND CO LTD·Filed 2000·Granted Jul 20, 2004·14 cites·19 claims
- 0866US5563608APosition measuring system and method thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Oct 8, 1996·40 cites·21 claims
- 0964US5600328ADemodulator circuit in global positioning system receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Feb 4, 1997·40 cites·12 claims
- 1060US4423737ACombination tomographic and cardiographic ultrasonic imaging method and systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Jan 3, 1984·18 cites·9 claims
- 1160US4330875AFocusing circuit for ultrasound imaging systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1979·Granted May 18, 1982·14 cites·4 claims
- 1258US5081462AMethod of deriving phase of pseudo-random code signal in global positioning system receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Jan 14, 1992·31 cites·5 claims
- 1352US5847678AGPS receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Dec 8, 1998·31 cites·11 claims
- 1441US4348902AUltrasonic imaging system using plural square wave pulse trains of successively delayed intervalsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Sep 14, 1982·8 cites·4 claims
- 1537US4641260ADigital signal processing apparatus for a blood flowmeter using ultrasound Doppler effectMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1983·Granted Feb 3, 1987·13 cites·6 claims
- 1633US4593700AUltrasonic wave blood flow meterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Jun 10, 1986·4 cites·4 claims
- 1732US4552152AUltrasonic diagnostic apparatus using Doppler effectMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1983·Granted Nov 12, 1985·7 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →