MT

Masaie Tohkai

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
SC Shin-Etsu Chemical Co.: 2 patents #1,026 of 2,176Top 50%
📍 Ibaraki, JP: #2,661 of 6,779 inventorsTop 40%
Overall (All Time): #1,660,310 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5088908 Continuous vacuum processing apparatus Shinobu Ezaki, Yukishige Kamino 1992-02-18
4551310 Continuous vacuum treating apparatus Kiyoshi Imada, Susumu Ueno, Hirokazu Nomura, Yoshitada Hata, Kenichi Kato 1985-11-05
4501428 Roll seal boxes for continuous vacuum treating apparatus Susumu Ueno, Kouiti Kuroda, Hajime Kitamura, Ken Kato, Nobuyuki Hiraishi 1985-02-26