KO

Kazuo Ohkubo

EB Ebara: 2 patents #752 of 1,611Top 50%
Overall (All Time): #2,198,899 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6521007 Clean box Akira Tanaka, Yoko Suzuki, Hideaki Sekiguchi 2003-02-18
4876006 Hollow fiber filter device Tadamasa Hayashi, Hiroshi Nagai 1989-10-24