YI

Yasushi Iyechika

SC Sumitomo Chemical: 3 patents #21 of 272Top 8%
Overall (2004): #17,967 of 270,089Top 7%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6806502 3-5 Group compound semiconductor and light emitting device Yoshihiko Tsuchida, Yasuyuki Kurita 2004-10-19
6756246 Method for fabricating III-V group compound semiconductor Kazumasa Hiramatsu, Hideto Miyake, Shinya Bohyama, Takayoshi Maeda 2004-06-29
6716724 Method of producing 3-5 group compound semiconductor and semiconductor element Masaya Shimizu, Yoshinobu Ono 2004-04-06