HY

Hitoshi Yonekawa

NI Ngk Insulators: 3 patents #780 of 2,083Top 40%
DI Daicel Chemical Industries: 1 patents #476 of 893Top 55%
Overall (All Time): #1,256,611 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7300579 Flocculation apparatus Nobuhiro Aoki, Naoki Murata 2007-11-27
6991737 Filtering method Hiroyuki Oyachi, Nobuhiro Aoki, Naoki Murata 2006-01-31
5143847 Enzyme-fixed bioreactor Mitsuo Kawase, Yasuko Yoshida 1992-09-01
4500426 Semipermeable membrane elements Kiyoshi Ishii, Masataka Murai 1985-02-19