IS

Ietsugu Shinjou

FF Firma Carl Freudenberg: 2 patents #154 of 512Top 35%
📍 Moriyama, JP: #1,164 of 2,577 inventorsTop 50%
Overall (All Time): #2,327,619 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4795559 Semipermeable membrane support Rikuo Shoji 1989-01-03
4728394 Semipermeable membrane support and process for preparation thereof Rikuo Shoji 1988-03-01