HY

Haruo Yoshikawa

SD Showa Denko: 1 patents #231 of 593Top 40%
SC Speedfam Clean System Co.: 1 patents #6 of 11Top 55%
📍 Toda, JP: #95 of 212 inventorsTop 45%
Overall (All Time): #2,292,696 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5291665 Drying method and apparatus using hot D.I. water 1994-03-08
5252379 Embossed process paper and production thereof Takeshi Kuribayashi, Yoshio Matsumoto 1993-10-12