Inventor · disambiguated record
Yoshitsugu Koyama
Also filed as: KOYAMA YOSHITSUGU
6 granted patents·1 pending application·13 citations·filing 2005–2024
75Inventor score
Top patents by PatentIndex Score
7 records- 0183US12438440B2Noise reduction circuit, power conversion device, and refrigeration apparatusDAIKIN IND LTD·Filed 2024·Granted Oct 7, 2025·1 cites·14 claims
- 0280US11391472B2Heat exchange unitDAIKIN IND LTD·Filed 2020·Granted Jul 19, 2022·1 cites·10 claims
- 0378US9237653B2Electronic circuit apparatusDAIKIN IND LTD·Filed 2013·Granted Jan 12, 2016·5 cites·16 claims
- 0457US9137933B2Refrigeration apparatus with a magnetically shielded refrigerant pipeKOYAMA YOSHITSUGU·Filed 2009·Granted Sep 15, 2015·4 cites·8 claims
- 0546US8008886B2Power converterDAIKIN IND LTD·Filed 2005·Granted Aug 30, 2011·2 cites·10 claims
- 0644US2024356432A1Power conversion device and refrigeration apparatusDAIKIN IND LTD·Filed 2022·Application pending·0 cites
- 0734US10320284B2Inverter device having shunt resistor and printed board with conductive pattern component joining shunt resistor and terminalDAIKIN IND LTD·Filed 2016·Granted Jun 11, 2019·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →