Inventor · disambiguated record
Masaaki Iwasa
Also filed as: IWASA MASAAKI
13 granted patents·2 pending applications·77 citations·filing 1974–2016
89Inventor score
Files withHITACHI AUTOMOTIVE SYSTEMS LTD8SUMITOMO CHEMICAL CO2AOTA KINYA1IWASA MASAAKI1TSUKAMOTO TAKESHI1
Top patents by PatentIndex Score
15 records- 0196US10388939B2Secondary batteryHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Granted Aug 20, 2019·17 cites·9 claims
- 0284US8426766B2Welding method and welding apparatus for an impellerTSUKAMOTO TAKESHI·Filed 2008·Granted Apr 23, 2013·11 cites·10 claims
- 0377US10147925B2Square secondary batteryHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2012·Granted Dec 4, 2018·2 cites·4 claims
- 0473US9391308B2Secondary batteryTSUNAKI TAKURO·Filed 2011·Granted Jul 12, 2016·2 cites·2 claims
- 0571US9741994B2Secondary battery with current breaking mechanismHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2012·Granted Aug 22, 2017·1 cites·14 claims
- 0670US8673470B2Secondary cellAOTA KINYA·Filed 2011·Granted Mar 18, 2014·2 cites·11 claims
- 0767US3988423AMethod for removing harmful materials from waste gasSUMITOMO CHEMICAL CO·Filed 1974·Granted Oct 26, 1976·25 cites·4 claims
- 0866US4605779AMethod for the production of tiglic aldehydeSUMITOMO CHEMICAL CO·Filed 1985·Granted Aug 12, 1986·8 cites·3 claims
- 0961US9843028B2Secondary batteryHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Dec 12, 2017·0 cites·10 claims
- 1060US8408873B2Welding slot sealing structure and welding methodIWASA MASAAKI·Filed 2008·Granted Apr 2, 2013·9 cites·4 claims
- 1153US9620762B2Electrical storage elementHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Granted Apr 11, 2017·0 cites·4 claims
- 1251US2017125778A1Rectangular Secondary BatteryHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Application pending·0 cites
- 1347US11552377B2Rectangular secondary batteryHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2012·Granted Jan 10, 2023·0 cites·6 claims
- 1447US10608286B2Secondary cellHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Mar 31, 2020·0 cites·10 claims
- 1544US2014141293A1Prismatic storage batteryURANO KAZUAKI·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →