YI

Yasushi Iyechika

SC Sumitomo Chemical: 3 patents #18 of 341Top 6%
Overall (2002): #18,431 of 266,432Top 7%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6472298 Layered group III-V compound semiconductor, method of manufacturing the same and light emitting element Tomoyuki Takada, Yoshinobu Ono 2002-10-29
6388323 Electrode material and electrode for III-V group compound semiconductor Noboru Fukuhara, Tomoyuki Takada, Yoshinobu Ono 2002-05-14
6346720 Layered group III-V compound semiconductor, method of manufacturing the same, and light emitting element Tomoyuki Takada, Yoshinobu Ono 2002-02-12