NO

Naoki Ohkuma

HC Hitachi Plant Engineering & Construction Co.: 2 patents #28 of 194Top 15%
📍 Chiyoda, JP: #899 of 1,712 inventorsTop 55%
Overall (All Time): #2,204,588 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

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