YH

Yoshitada Hata

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
SC Shin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
Overall (All Time): #2,349,887 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4614002 Aircraft cleaning apparatus Kazuyuki Katano, Isao Homma 1986-09-30
4551310 Continuous vacuum treating apparatus Kiyoshi Imada, Susumu Ueno, Hirokazu Nomura, Masaie Tohkai, Kenichi Kato 1985-11-05