YH

Yumiko Hirano

CM Covalent Materials: 1 patents #29 of 81Top 40%
TC Toshiba Ceramics Co.: 1 patents #190 of 458Top 45%
Overall (All Time): #2,162,521 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7291220 Process of producing silicon wafer 2007-11-06
6517632 Method of fabricating a single crystal ingot and method of fabricating a silicon wafer Toshirou Minami, Kouki Ikeuchi, Takashi Miyahara, Takashi Ishikawa, Osamu Kubota +1 more 2003-02-11