Inventor · disambiguated record
Tomoaki Sumi
Also filed as: SUMI TOMOAKI
9 granted patents·2 pending applications·2 citations·filing 2019–2024
76Inventor score
Top patents by PatentIndex Score
11 records- 0189US11155931B2Method for manufacturing a group III-nitride crystal comprising supplying a group III-element oxide gas and a nitrogen element-containing gas at a supersaturation ratio of greater than 1 and equal to or less than 5UNIV OSAKA·Filed 2020·Granted Oct 26, 2021·2 cites·6 claims
- 0278US12049710B2Group-III nitride substratePANASONIC HOLDINGS CORP·Filed 2023·Granted Jul 30, 2024·0 cites·7 claims
- 0376US2024352623A1Group-iii nitride substratePANASONIC HOLDINGS CORP·Filed 2024·Application pending·0 cites
- 0474US11753739B2Method for manufacturing a group III-nitride crystal comprising supplying a group III-element oxide gas and a nitrogen element-containng gas at a supersation ratio of greater than 1 and equal to or less than 5UNIV OSAKA·Filed 2021·Granted Sep 12, 2023·0 cites·6 claims
- 0567US11713517B2Group-III nitride substratePANASONIC CORP·Filed 2020·Granted Aug 1, 2023·0 cites·5 claims
- 0665US11396716B2Group-III nitride substrate containing carbon at a surface region thereofUNIV OSAKA·Filed 2019·Granted Jul 26, 2022·0 cites·18 claims
- 0761US11713516B2Group III nitride crystal, group III nitride substrate, and method of manufacturing group III nitride crystalPANASONIC CORP·Filed 2021·Granted Aug 1, 2023·0 cites·8 claims
- 0861US11624128B2Group III nitride crystal, group III nitride substrate, and method of manufacturing group III nitride crystalPANASONIC CORP·Filed 2021·Granted Apr 11, 2023·0 cites·9 claims
- 0958US12261559B2Motor control deviceDENSO CORP·Filed 2022·Granted Mar 25, 2025·0 cites·7 claims
- 1055US11795573B2Method of manufacturing group III nitride crystal by reacting an oxidizing gas containing nitrogen with a group III element droplet and growing a group III nitride crystal on a seed substrateUNIV OSAKA·Filed 2021·Granted Oct 24, 2023·0 cites·3 claims
- 1152US2021006042A1Group-iii nitride semiconductor laser devicePANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Tomoaki Sumi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →