HI

Hiroyuki Ishizuka

EI Eisai: 2 patents #451 of 998Top 50%
NK Nippon Carbide Kogyo: 1 patents #50 of 105Top 50%
Overall (All Time): #1,594,560 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7084268 Carbapenem compound crystals and interjection preparations Hiroyuki Chiba, Masahiko Tsujii, Astsushi Koiwa, Shin Sakurai, Akio Kayano +8 more 2006-08-01
6642377 Process for the preparation of basic antibiotic-inorganic acid addition salts and intermediate oxalates Akio Kayano, Hiroyuki Chiba, Taiju Nakamura, Shin Sakurai, Hiroyuki Saito +4 more 2003-11-04
4340422 Powdery desulfurizer composition Atsushi Takahashi, Yoshiharu Muratsubaki 1982-07-20