KI

Katsuhisa Ishikawa

NE Nec: 3 patents #4,195 of 14,502Top 30%
HP Hitachi Metals Precision: 1 patents #3 of 14Top 25%
📍 Adachi, JP: #69 of 222 inventorsTop 35%
Overall (All Time): #1,632,322 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5876618 Ni-Zn type ferrite Yasuhiro Sasaki, Atsushi Ochi, Osamu Myohga, Yoshitsugu Okada 1999-03-02
5874020 Ni-Zn base ferrite Yasuhiro Sasaki, Atsushi Ochi, Yoshitsugu Okada, Mitsuru Furuya 1999-02-23
4832908 Low thermal expansion cast alloy Ryoji Yamamoto, Takayuki TSUKAHARA 1989-05-23