SF

Sachie Fujikawa

RI Riken: 3 patents #241 of 1,824Top 15%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
MA Marubun: 1 patents #16 of 24Top 70%
TK Toshiba Kikai: 1 patents #381 of 713Top 55%
UL Ulvac: 1 patents #339 of 680Top 50%
Overall (All Time): #1,204,210 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9349918 Light emitting element and method for manufacturing same Yukio Kashima, Eriko Matsuura, Hiromi Nishihara, Takaharu Tashiro, Takafumi Ookawa +5 more 2016-05-24
8445938 Nitride semi-conductive light emitting device Takayoshi Takano, Kenji Tsubaki, Hideki Hirayama 2013-05-21
8278129 Manufacturing method of nitride semi-conductor layer, and a nitride semi-conductor light emitting device with its manufacturing method Takayoshi Takano, Kenji Tsubaki, Hideki Hirayama 2012-10-02
8120013 Nitride semi-conductor light emitting device and a process of producing a nitride semi-conductor light emitting device Takayoshi Takano, Kenji Tsubaki, Hideki Hirayama 2012-02-21