OM

Osami Matsumoto

HC Harima Ceramic Co.: 3 patents #2 of 13Top 20%
NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
📍 Kasai, JP: #2,179 of 5,842 inventorsTop 40%
Overall (All Time): #1,646,886 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5506181 Refractory for use in casting operations Toshihiro Isobe, Syouichi Itose 1996-04-09
5104833 Refractory for casting a basic substance Toshihiro Isobe, Hisashi Matsuoka, Yasuhisa Abe 1992-04-14
4990475 Alumina-spinal monolithic refractories Toshihiro Isobe, Teruyuki Nishitani, Takashi Genba 1991-02-05