NO

Naoki Ohkuma

HC Hitachi Plant Engineering & Construction Co.: 2 patents #5 of 24Top 25%
📍 Chiyoda, JP: #38 of 181 inventorsTop 25%
Overall (2003): #50,253 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6627080 Flat membrane disk Makoto Oonishi, Yutaka Okuno, Yukio Murai 2003-09-30
6596164 Rotary flat membrane separation apparatus Makoto Oonishi, Yukio Murai, Yutaka Okuno 2003-07-22