YH

Yasuhiko Hirai

TS Tokuyama Soda: 2 patents #22 of 151Top 15%
Overall (All Time): #2,313,591 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4983747 Process for preparation of perfluoro organic compounds Masakatsu Nishimura, Naoya Okada, Yasuo Murata 1991-01-08
4929317 Process for preparation of perfluoro organic compounds Masakatsu Nishimura, Naoya Okada, Yasuo Murata 1990-05-29