HW

Hiroko Watanabe

SD Showa Denko: 1 patents #8 of 79Top 15%
Overall (1989): #103,699 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4879340 Adsorbent composed of porous beads of chitosan and adsorption method using same Soyao Moriguchi, Hiroshi Suzuki, Motoaki Satoh, Michio Abe, Yasuo Iwata 1989-11-07