KK

Kenichi Koyama

Mitsubishi Electric: 2 patents #164 of 1,581Top 15%
HI Hitachi: 1 patents #867 of 2,942Top 30%
Overall (1997): #14,183 of 185,788Top 8%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5692407 Shape control in a strip rolling mill of cluster type Toshiyuki Kajiwara, Hidetoshi Nishi, Tetsuji Taniguchi, Isao Asotani 1997-12-02
5646386 Vacuum interrupter Mitsumasa Yorita, Hideaki Toya, Hiroshi Hasegawa 1997-07-08
5597993 Vacuum interrupter Mitsumasa Yorita, Hideaki Toya, Hiroshi Hasegawa 1997-01-28