Inventor · disambiguated record
Masao Hotta
Also filed as: HOTTA MASAO
31 granted patents·918 citations·filing 1973–2012
98Inventor score
Files withHITACHI LTD19RENESAS TECH CORP2HITACHI DENSHI KABUSHIKIKAISHA1HITACHI ELECTRONICS1HITACHI MEDICAL CORP1
Top patents by PatentIndex Score
31 records- 0196US3932805AMethod of obtaining internal information of a measuring target from the out-side by the application of a nuclear magnetic resonance phenomenonUNIV HOKKAIDO·Filed 1973·Granted Jan 13, 1976·110 cites·34 claims
- 0294US6492872B1High frequency power amplifying module and wireless communication apparatusHITACHI LTD·Filed 2000·Granted Dec 10, 2002·68 cites·8 claims
- 0394US4875048ATwo-step parallel analog to digital converterHITACHI LTD·Filed 1988·Granted Oct 17, 1989·88 cites·9 claims
- 0493US6826388B1Mobile communication apparatus including dividers in transmitter and receiverRENESAS TECH CORP·Filed 2000·Granted Nov 30, 2004·49 cites·8 claims
- 0589US8107912B2Mobile communication apparatusTANAKA SATOSHI·Filed 2010·Granted Jan 31, 2012·6 cites·2 claims
- 0688US4389711ATouch sensitive tablet using force detectionHITACHI LTD·Filed 1980·Granted Jun 21, 1983·100 cites·11 claims
- 0783US4381495ADigital-to-analog converter with error compensationHITACHI LTD·Filed 1980·Granted Apr 26, 1983·34 cites·6 claims
- 0881US4978957AHigh-speed analog-to-digital converterHITACHI LTD·Filed 1990·Granted Dec 18, 1990·44 cites·19 claims
- 0979US5794201ADigital acoustic signal processing apparatusHITACHI LTD·Filed 1995·Granted Aug 11, 1998·57 cites·14 claims
- 1078US7885626B2Mobile communication apparatusRENESAS TECH CORP·Filed 2008·Granted Feb 8, 2011·5 cites·2 claims
- 1177US5113077ARadiation detection circuit having a signal integrating capacitor, and a data aquisition system for an x-ray scanner including such circuitHITACHI MEDICAL CORP·Filed 1990·Granted May 12, 1992·35 cites·14 claims
- 1275US5121119AAnalog-to-digital conversion method and system with correction of analog gain and offsetHITACHI DENSHI KABUSHIKIKAISHA·Filed 1991·Granted Jun 9, 1992·42 cites·2 claims
- 1375US4752766AAnalog to digital converterHITACHI LTD·Filed 1987·Granted Jun 21, 1988·27 cites·8 claims
- 1474US4316178ADigital-to-analog conversion system with compensation circuitNIPPON TELEGRAPH & TELEPHONE·Filed 1980·Granted Feb 16, 1982·23 cites·7 claims
- 1571US5623533AMobile communication end device with low power operation modeHITACHI LTD·Filed 1996·Granted Apr 22, 1997·66 cites·20 claims
- 1664US4937579AMethod of converting analog signals into digital signals and system for carrying out the methodHITACHI ELECTRONICS·Filed 1988·Granted Jun 26, 1990·17 cites·14 claims
- 1763US4939518AAnalog to digital converterHITACHI LTD·Filed 1988·Granted Jul 3, 1990·20 cites·6 claims
- 1862US5519398ASignal processing apparatus having A/D conversion functionHITACHI LTD·Filed 1993·Granted May 21, 1996·21 cites·19 claims
- 1961US7366489B2Mobile communication apparatusTTP COMMUNICATIONS LTD·Filed 2003·Granted Apr 29, 2008·4 cites·2 claims
- 2057US6226605B1Digital voice processing apparatus providing frequency characteristic processing and/or time scale expansionHITACHI LTD·Filed 1998·Granted May 1, 2001·30 cites·8 claims
- 2156US8994572B2Analog-digital converter and method for converting analog signal into digital signalSAN HAO·Filed 2012·Granted Mar 31, 2015·3 cites·16 claims
- 2255US5291135AWeak magnetic field measuring system using dc-SQUID magnetometer with bias current adjustment and/or detecting function of abnormal operationHITACHI LTD·Filed 1991·Granted Mar 1, 1994·19 cites·14 claims
- 2353US7561094B2Sequential comparison-type AD converter having small size and realizing high speed operationSEMICONDUCTOR TECH ACAD RES CT·Filed 2007·Granted Jul 14, 2009·2 cites·8 claims
- 2444US4851845AEncoderHITACHI LTD·Filed 1988·Granted Jul 25, 1989·8 cites·2 claims
- 2542US5966407ABus driving system and integrated circuit device using the sameHITACHI LTD·Filed 1994·Granted Oct 12, 1999·12 cites·45 claims
- 2638US5138203AIntegrated circuit compensation for losses in signal lines due to parasiticsHITACHI LTD·Filed 1989·Granted Aug 11, 1992·5 cites·21 claims
- 2738US4916653AAdder using multi-state logicHITACHI LTD·Filed 1988·Granted Apr 10, 1990·8 cites·3 claims
- 2837US4866444AAnalog-to-digital converterHITACHI LTD·Filed 1988·Granted Sep 12, 1989·5 cites·11 claims
- 2936US4752767ADA converterHITACHI LTD·Filed 1985·Granted Jun 21, 1988·5 cites·2 claims
- 3036US4549166ADigital-to-analog converter using a feedback element matching techniqueHITACHI LTD·Filed 1982·Granted Oct 22, 1985·5 cites·4 claims
- 3129US8258992B2Analog-to-digital converterHOTTA MASAO·Filed 2010·Granted Sep 4, 2012·0 cites·4 claims
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