JH

John J. Hake

SC Shimizu Construction Co.: 1 patents #112 of 352Top 35%
📍 Oakland, CA: #2,828 of 4,380 inventorsTop 65%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,815,642 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5180494 Method of controlling waste water treatment by anaerobic fermentation Makoto Yamaguchi, Kazuo Okamura, Kiyoshi Minami 1993-01-19