Inventor · disambiguated record
Masahiro Oka
Also filed as: OKA MASAHIRO
55 granted patents·22 pending applications·286 citations·filing 1990–2025
98Inventor score
Top patents by PatentIndex Score
77 records- 0194US10948208B2System and method for heating and coolingDAIKIN IND LTD·Filed 2019·Granted Mar 16, 2021·9 cites·11 claims
- 0288US9468280B2Lip cosmetic applicator deviceUEHARA KAZUYUKI·Filed 2010·Granted Oct 18, 2016·19 cites·34 claims
- 0388US2025067454A1System and Method for Heating and CoolingDAIKIN MFG COMPANY L P·Filed 2024·Application pending·0 cites
- 0487US9303907B2Refrigerant charging device, refrigeration device and refrigerant charging methodKAWANO SATOSHI·Filed 2008·Granted Apr 5, 2016·13 cites·10 claims
- 0587US7314833B2Method for manufacturing substrate for discrete track recording media and method for manufacturing discrete track recording mediaTOSHIBA KK·Filed 2006·Granted Jan 1, 2008·7 cites·4 claims
- 0685US8899056B2Air conditionerKAWANO SATOSHI·Filed 2008·Granted Dec 2, 2014·11 cites·12 claims
- 0785US8116035B2Magnetic recording medium having a secondary recording layer made of a material having a negative crystal magnetic anisotropy and magnetic recording and reproducing apparatusTAKAHASHI MIGAKU·Filed 2006·Granted Feb 14, 2012·6 cites·10 claims
- 0885US7635529B2Substrate for magnetic recording media, magnetic recording media and magnetic recording apparatusSHOWA DENKO KK·Filed 2006·Granted Dec 22, 2009·6 cites·7 claims
- 0984US5736262AMagnetic recording mediumMITSUBISHI CHEM CORP·Filed 1995·Granted Apr 7, 1998·55 cites·14 claims
- 1082US2023332789A1System and method for heating and coolingDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 1181US9958191B2Refrigeration apparatusDAIKIN IND LTD·Filed 2013·Granted May 1, 2018·3 cites·8 claims
- 1281US7580223B2Magnetic recording media, substrate for magnetic recording media, and magnetic recording apparatusTOSHIBA KK·Filed 2006·Granted Aug 25, 2009·4 cites·10 claims
- 1380US7359840B2Remote order acceptance design system and elevator remote order acceptance methodHITACHI LTD·Filed 2007·Granted Apr 15, 2008·8 cites·4 claims
- 1478US10388524B2Film forming method, boron film, and film forming apparatusTOKYO ELECTRON LTD·Filed 2017·Granted Aug 20, 2019·2 cites·12 claims
- 1578US8280557B2Air-conditioning apparatusKAWANO SATOSHI·Filed 2008·Granted Oct 2, 2012·6 cites·20 claims
- 1677US10267540B2Heat source unitDAIKIN IND LTD·Filed 2015·Granted Apr 23, 2019·2 cites·19 claims
- 1777US9851132B2Air conditionerDAIKIN IND LTD·Filed 2013·Granted Dec 26, 2017·3 cites·20 claims
- 1877US9689589B2Refrigeration apparatusDAIKIN IND LTD·Filed 2015·Granted Jun 27, 2017·2 cites·11 claims
- 1976US10184676B2Air conditioner having simultaneous heating and coolingDAIKIN IND LTD·Filed 2013·Granted Jan 22, 2019·4 cites·6 claims
- 2074US11719453B2System and method for heating and coolingDAIKIN IND LTD·Filed 2021·Granted Aug 8, 2023·0 cites·7 claims
- 2174US8297073B2Heat source unit and refrigeration systemKAWANO SATOSHI·Filed 2008·Granted Oct 30, 2012·5 cites·4 claims
- 2274US7687158B2Perpendicular magnetic recording medium and perpendicular magnetic recording/reproducing apparatusSHOWA DENKO KK·Filed 2005·Granted Mar 30, 2010·2 cites·6 claims
- 2373US7862915B2Magnetic recording medium and magnetic recording/reproducing apparatusUNIV TOHOKU·Filed 2006·Granted Jan 4, 2011·2 cites·7 claims
- 2472US12188668B2System and method for heating and coolingDAIKIN MFG COMPANY L P·Filed 2020·Granted Jan 7, 2025·0 cites·10 claims
- 2572US9398800B2Cosmetic application deviceKAO CORP·Filed 2012·Granted Jul 26, 2016·3 cites·21 claims
- 2672US9310114B2Electronic expansion valve and air conditioner provided with electronic expansion valveDAIKIN IND LTD·Filed 2012·Granted Apr 12, 2016·2 cites·4 claims
- 2772US7249250B1Remote order acceptance design system and elevator remote order acceptance methodHITACHI LTD·Filed 2000·Granted Jul 24, 2007·18 cites·3 claims
- 2871US9513040B2Electronic expansion valve, and air conditionerDAIKIN IND LTD·Filed 2012·Granted Dec 6, 2016·3 cites·18 claims
- 2970US5494722AMagnetic recording medium and method for its productionMITSUBISHI CHEM CORP·Filed 1993·Granted Feb 27, 1996·31 cites·19 claims
- 3069US7879466B2Perpendicular magnetic recording medium, and perpendicular magnetic recording and reproducing apparatusUNIV TOHOKU·Filed 2006·Granted Feb 1, 2011·4 cites·8 claims
- 3169US7771602B2Method and apparatus for manufacturing magnetic recording mediaTOSHIBA KK·Filed 2006·Granted Aug 10, 2010·2 cites·2 claims
- 3268US7744966B2Production process of perpendicular magnetic recording mediumSHOWA DENKO KK·Filed 2006·Granted Jun 29, 2010·1 cites·1 claims
- 3367US9733000B2Refrigeration apparatusDAIKIN IND LTD·Filed 2014·Granted Aug 15, 2017·1 cites·5 claims
- 3462US10197321B2Refrigeration apparatusDAIKIN IND LTD·Filed 2017·Granted Feb 5, 2019·0 cites·6 claims
- 3561US10443869B2Air conditioner construction methodDAIKIN IND LTD·Filed 2017·Granted Oct 15, 2019·0 cites·2 claims
- 3659US12018867B2Refrigeration apparatusDAIKIN IND LTD·Filed 2021·Granted Jun 25, 2024·0 cites·9 claims
- 3759US9897355B2Refrigeration apparatusDAIKIN IND LTD·Filed 2016·Granted Feb 20, 2018·0 cites·2 claims
- 3859US9587863B2Refrigeration apparatusDAIKIN IND LTD·Filed 2013·Granted Mar 7, 2017·0 cites·3 claims
- 3958US7360372B2Refrigeration systemDAIKIN IND LTD·Filed 2004·Granted Apr 22, 2008·11 cites·12 claims
- 4058US5453213ALatent heat storage material containing Na2 SO4.10H2 O, NH4 Cl, NaCl and (NH4)2 SO4MITSUBISHI PETROCHEMICAL CO·Filed 1994·Granted Sep 26, 1995·13 cites·5 claims
- 4157US2025239446A1Substrate-treatment method and substrate-treatment systemTOKYO ELECTRON LTD·Filed 2025·Application pending·0 cites
- 4255US5567346ALatent heat storage material compositionMITSUBISHI CHEM CORP·Filed 1994·Granted Oct 22, 1996·11 cites·14 claims
- 4355US2023131213A1Film forming method and film forming systemTOKYO ELECTRON LTD·Filed 2022·Application pending·0 cites
- 4454US2019301019A1Boron-based film forming method and apparatusTOKYO ELECTRON LTD·Filed 2019·Application pending·0 cites
- 4554US2010014192A1Magnetic recording medium, manufacturing method therefor, and magnetic recording/reproducing apparatusSHOWA DENKO KK·Filed 2009·Application pending·0 cites
- 4653US8221637B2Method and apparatus for manufacturing magnetic recording mediaKAMATA YOSHIYUKI·Filed 2010·Granted Jul 17, 2012·0 cites·1 claims
- 4753US7943248B2Perpendicular magnetic recording media, production process thereof, and perpendicular magnetic recording and reproducing apparatusUNIV TOHOKU·Filed 2006·Granted May 17, 2011·0 cites·15 claims
- 4852US12420283B2Specimen-preserving implementKAO CORP·Filed 2021·Granted Sep 23, 2025·0 cites·18 claims
- 4952US11615957B2Method for forming boron-based film, formation apparatusTOKYO ELECTRON LTD·Filed 2019·Granted Mar 28, 2023·0 cites·17 claims
- 5051US2011192182A1Humidity control apparatusNODA HIROSHI·Filed 2009·Application pending·0 cites
Showing the top 50 of 77 patent records by PatentIndex Score.
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