YI

Yasushi Iyechika

SC Sumitomo Chemical: 23 patents #106 of 4,033Top 3%
NT Nuflare Technology: 10 patents #41 of 298Top 15%
JC Japan Pionics Co.: 1 patents #48 of 76Top 65%
Overall (All Time): #101,083 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
6225195 Method for manufacturing group III-V compound semiconductor Yoshinobu Ono, Tomoyuki Takada, Masaya Shimizu 2001-05-01
6104044 Semiconductor compound electrode material containing calcium and a noble metal Yoshinobu Ono, Tomoyuki Takada, Katsumi Inui 2000-08-15
6100105 Fabrication of InGaAlN based compound semiconductor device Toshihisa Katamime, Yoshinobu Ono, Tomoyuki Takada, Katsumi Inui 2000-08-08
6023077 Group III-V compound semiconductor and light-emitting device Yoshinobu Ono, Tomoyuki Takada, Katsumi Inui 2000-02-08
5980632 Member for use in production device for semiconductors Toshihisa Katamime, Yoshinobu Ono, Tomoyuki Takada 1999-11-09
5726457 Organic electroluminescence device Tsuyoshi Nakano, Shuji Doi, Takanobu Noguchi, Toshihiro Ohnishi 1998-03-10
5708301 Electrode material and electrode for III-V group compound semiconductor Noboru Fukuhara, Tomoyuki Takada, Yoshinobu Ono 1998-01-13
5587014 Method for manufacturing group III-V compound semiconductor crystals Tomoyuki Takada 1996-12-24
5317169 Organic electroluminescence device Tsuyoshi Nakano, Shuji Doi, Takanobu Noguchi, Toshihiro Ohnishi 1994-05-31