KY

Keiichi Yokoi

SD Showa Denko: 1 patents #231 of 593Top 40%
SC Showa Denko Packaging Co.: 1 patents #19 of 39Top 50%
Overall (All Time): #2,031,769 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9070938 Terminal lead Daisuke Hashimoto, Takurou WATANABE, Hiroshi Hata 2015-06-30
6688154 Die for forging rotor, forge production system and forging method using the die, and rotor Yoshiyuki Anazawa, Hidemi Yamada 2004-02-10