Inventor · disambiguated record
Ryuji Katayama
Also filed as: KATAYAMA RYUJI
5 granted patents·2 pending applications·0 citations·filing 2021–2024
61Inventor score
Files withMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD2TOSHIBA KK2STANLEY ELECTRIC CO LTD1TOKYO ELECTRON LTD1USHIO ELECTRIC INC1
Top patents by PatentIndex Score
7 records- 0174US12158120B2Cylinder head, cylinder block, internal combustion engine, and method for manufacturing cylinder headMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2023·Granted Dec 3, 2024·0 cites·2 claims
- 0266US11994084B2Cylinder head, cylinder block, internal combustion engine, and method for manufacturing cylinder headMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2021·Granted May 28, 2024·0 cites·6 claims
- 0365US12074203B2Nitride crystal, optical device, semiconductor device, and method for manufacturing nitride crystalTOSHIBA KK·Filed 2023·Granted Aug 27, 2024·0 cites·17 claims
- 0456US11677006B2Nitride crystal, optical device, semiconductor device, and method for manufacturing nitride crystalTOSHIBA KK·Filed 2021·Granted Jun 13, 2023·0 cites·18 claims
- 0553US12094710B2Method of forming nitride semiconductor filmTOKYO ELECTRON LTD·Filed 2021·Granted Sep 17, 2024·0 cites·17 claims
- 0651US2024288748A1Second harmonic generation element and light source deviceSTANLEY ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 0740US2025030222A1Nitride semiconductor laser elementUSHIO ELECTRIC INC·Filed 2024·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →