Inventor · disambiguated record
Ryohei Akiyoshi
Also filed as: AKIYOSHI RYOHEI
13 granted patents·2 pending applications·9 citations·filing 2017–2023
83Inventor score
Top patents by PatentIndex Score
15 records- 0192US11486024B2Heat-resistant Ir alloy wireISHIFUKU METAL IND·Filed 2021·Granted Nov 1, 2022·2 cites·7 claims
- 0291US11131008B2Heat-resistant Ir alloyISHIFUKU METAL IND·Filed 2017·Granted Sep 28, 2021·4 cites·1 claims
- 0387US10938186B2Spark plug electrode and spark plugDENSO CORP·Filed 2020·Granted Mar 2, 2021·2 cites·10 claims
- 0476US9847622B2Spark plug for an internal combustion engineDENSO CORP·Filed 2017·Granted Dec 19, 2017·1 cites·8 claims
- 0572US11773473B2Heat-resistant IR alloyISHIFUKU METAL IND·Filed 2021·Granted Oct 3, 2023·0 cites·2 claims
- 0671US11505848B2Heat-resistant Ir alloyISHIFUKU METAL IND·Filed 2021·Granted Nov 22, 2022·0 cites·1 claims
- 0759US2023383381A1Heat-resistant ir-pt alloyISHIFUKU METAL IND·Filed 2023·Application pending·0 cites
- 0851US10505347B2Spark plug for internal combustion engineDENSO CORP·Filed 2017·Granted Dec 10, 2019·0 cites·8 claims
- 0950US10693280B2Spark plugDENSO CORP·Filed 2019·Granted Jun 23, 2020·0 cites·10 claims
- 1050US10431960B2Spark plug for internal combustion engineDENSO CORP·Filed 2017·Granted Oct 1, 2019·0 cites·4 claims
- 1150US9935429B2Ignition control systemDENSO CORP·Filed 2017·Granted Apr 3, 2018·0 cites·8 claims
- 1248US10348060B2Spark plugDENSO CORP·Filed 2017·Granted Jul 9, 2019·0 cites·20 claims
- 1347US10777974B2Spark plug for internal combustion engine that makes re-discharge less prone to occurDENSO CORP·Filed 2019·Granted Sep 15, 2020·0 cites·17 claims
- 1445US10050417B2Spark plug and manufacturing method thereofDENSO CORP·Filed 2017·Granted Aug 14, 2018·0 cites·7 claims
- 1543US2023056816A1Spark plugDENSO CORP·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →