Inventor · disambiguated record
Kazunori Kamada
Also filed as: KAMADA KAZUNORI
19 granted patents·2 pending applications·55 citations·filing 1979–2023
93Inventor score
Top patents by PatentIndex Score
21 records- 0191US11038024B2Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor deviceMITSUBISHI CHEM CORP·Filed 2019·Granted Jun 15, 2021·4 cites·19 claims
- 0291US10475887B2Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor deviceMITSUBISHI CHEM CORP·Filed 2016·Granted Nov 12, 2019·5 cites·15 claims
- 0389US11031475B2Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor deviceMITSUBISHI CHEM CORP·Filed 2019·Granted Jun 8, 2021·3 cites·18 claims
- 0489US10655244B2GaN substrate, method for producing GaN substrate, method for producing GaN crystal, and method for manufacturing semiconductor deviceMITSUBISHI CHEM CORP·Filed 2018·Granted May 19, 2020·2 cites·19 claims
- 0589US10066319B2GaN substrate, method for producing GaN substrate, method for producing GaN crystal, and method for manufacturing semiconductor deviceMITSUBISHI CHEM CORP·Filed 2016·Granted Sep 4, 2018·6 cites·13 claims
- 0688US9518337B2Method for producing nitride crystal and nitride crystalMITSUBISHI CHEM CORP·Filed 2015·Granted Dec 13, 2016·4 cites·20 claims
- 0787US11664428B2Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor deviceMITSUBISHI CHEM CORP·Filed 2021·Granted May 30, 2023·1 cites·13 claims
- 0883US12107129B2Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor deviceMITSUBISHI CHEM CORP·Filed 2023·Granted Oct 1, 2024·0 cites·21 claims
- 0983US9096945B2Method for producing nitride crystal and nitride crystalMITSUBISHI CHEM CORP·Filed 2012·Granted Aug 4, 2015·4 cites·10 claims
- 1077US10995421B2Crystal of nitride of group-13 metal on periodic table, and method for producing the sameMITSUBISHI CHEM CORP·Filed 2019·Granted May 4, 2021·0 cites·9 claims
- 1174US2022033992A1Method for producing nitride crystal and nitride crystalMITSUBISHI CHEM CORP·Filed 2021·Application pending·0 cites
- 1272US10734485B2Gallium nitride substrate and manufacturing method of nitride semiconductor crystalMITSUBISHI CHEM CORP·Filed 2017·Granted Aug 4, 2020·1 cites·17 claims
- 1372US10309038B2Crystal of nitride of group-13 metal on periodic table, and method for producing the sameMITSUBISHI CHEM CORP·Filed 2017·Granted Jun 4, 2019·0 cites·13 claims
- 1471US4319016AUltraviolet-absorbing amino compound and method of makingTOYODA CHUO KENKYUSHO KK·Filed 1979·Granted Mar 9, 1982·24 cites·29 claims
- 1568US11670687B2Gallium nitride substrate and manufacturing method of nitride semiconductor crystalMITSUBISHI CHEM CORP·Filed 2020·Granted Jun 6, 2023·0 cites·15 claims
- 1668US9673046B2Gallium nitride substrate and manufacturing method of nitride semiconductor crystalMITSUBISHI CHEM CORP·Filed 2015·Granted Jun 6, 2017·1 cites·18 claims
- 1766US11162190B2Method for producing nitride crystal and nitride crystalMITSUBISHI CHEM CORP·Filed 2019·Granted Nov 2, 2021·0 cites·19 claims
- 1866US9890474B2Crystal of nitride of group-13 metal on periodic table, and method for producing the sameMITSUBISHI CHEM CORP·Filed 2015·Granted Feb 13, 2018·0 cites·19 claims
- 1958US10526726B2Method for producing nitride crystal and nitride crystalMITSUBISHI CHEM CORP·Filed 2016·Granted Jan 7, 2020·0 cites·22 claims
- 2058US9163324B2Method for producing nitride crystalFUJISAWA HIDEO·Filed 2012·Granted Oct 20, 2015·0 cites·18 claims
- 2153US2015354086A1Method for producing nitride crystalFUJISAWA HIDEO·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →