SI

Saburo Ishiyama

IC Idemitsu Kosan Co.: 2 patents #509 of 1,237Top 45%
Overall (All Time): #2,359,531 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
RE31664 Polysaccharide obtained from Pseudomonas stutzeri Kenichi Hisatsuka, Akira Inoue, Osamu Tsumura, Mikio Sato 1984-09-04
RE31030 Process for the production of novel polysaccharide Kenichi Hisatsuka, Akira Inoue, Osamu Tsumura, Mikio Sato 1982-09-14