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Home › 2021 › Sumco › Ryosuke OKUYAMA
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Ryosuke OKUYAMA — 3 Patents in 2021

SUSumco: 3 patents #3 of 52Top 6%
Tokyo, JP: #1,375 of 13,453 inventorsTop 15%
Overall (2021): #64,985 of 548,734Top 15%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11211423 Method of producing semiconductor epitaxial wafer, semiconductor epitaxial wafer, and method of producing solid-state image sensor — 2021-12-28
11195716 Method of producing semiconductor epitaxial wafer and method of producing semiconductor device — 2021-12-07
11107687 Semiconductor epitaxial wafer and method of producing semiconductor epitaxial wafer, and method of producing solid-state imaging device — 2021-08-31

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Ryuichi Okada3
Ryuichi Oikawa3