Shin-ichi Oya

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): #3,989,072 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4565622	Method of liquefying brown coal	Yukio Nakako, Tetsuo Matsumura, Toshio Ozawa, Kaizaburo Saito, Shin-ichi Katsushima +4 more	1986-01-21