AT

Akiyoshi Tachikawa

NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
SA Siltronic Ag: 2 patents #99 of 300Top 35%
Overall (All Time): #1,032,465 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7208043 Silicon semiconductor substrate and preparation thereof Atsushi Ikari 2007-04-24
6805742 Silicon semiconductor substrate and process for producing the same Kazunori Ishisaka, Atsushi Ikari 2004-10-19
6767848 Silicon semiconductor substrate and method for production thereof Kazunori Ishisaka 2004-07-27
5833749 Compound semiconductor substrate and process of producing same Akihiro Moritani, Aiji Yabe, Takashi Aigo 1998-11-10
5438951 Method of growing compound semiconductor on silicon wafer Aiji Jono, Takashi Aigo, Akihiro Moritani 1995-08-08