TK

Takehiko Kikuchi

Sumitomo Electric Industries: 1 patents #220 of 544Top 45%
Overall (2023): #236,173 of 537,848Top 45%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11735888 Semiconductor optical device and method for producing semiconductor optical device Naoki Fujiwara, Hideki Yagi, Takuo HIRATANI, Toshiyuki Nitta 2023-08-22