YK

Yukihiro Kumagai

HI Hitachi: 3 patents #512 of 4,225Top 15%
📍 Chiyoda, JP: #20 of 181 inventorsTop 15%
Overall (2003): #18,589 of 273,478Top 7%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6639263 Semiconductor device with copper wiring connected to storage capacitor Hideo Miura, Hiroyuki Ohta, Tomio Iwasaki, Isamu Asano 2003-10-28
6534375 METHOD OF FORMING A CAPACITOR IN A SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE USING A METAL SILICON NITRIDE LAYER TO PROTECT AN UNDERLYING METAL SILICIDE LAYER FROM OXIDATION DURING SUBSEQUENT PROCESSING STEPS Shinpei Iijima, Yuzuru Ohji, Masato Kunitomo, Masahiko Hiratani, Yuichi Matsui +1 more 2003-03-18
6521932 Semiconductor device with copper wiring connected to storage capacitor Hideo Miura, Hiroyuki Ohta, Tomio Iwasaki, Isamu Asano 2003-02-18