SS

Saburo Sawada

IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
KS Kobe Steel: 1 patents #857 of 2,031Top 45%
MK Mitsubishikaseikogyo Kabushiki Kaisha: 1 patents #6 of 49Top 15%
Overall (All Time): #3,987,643 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4714543 Method of treating brown coal for liquefaction Tetsuo Matsumura, Toshio Ohzawa, Akihiro Kawashima, Osamu Ohkuma, Shun'ichi Yanai +2 more 1987-12-22