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Inventor
OHAMA YOSHIHIKO
JP
2 patents
⚠️ This page may combine multiple inventors who share the name “OHAMA YOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOHOKU ELECTRIC POWER CO
1 patent
US4759988A
Jul 26, 1988
Grain for construction material
TOHOKU ELECTRIC POWER CO
8 citations
70
TAKEMOTO OIL & FAT CO LTD
1 patent
US5447984A
Sep 5, 1995
Curable polymer mortar or concrete compositions
TAKEMOTO OIL & FAT CO LTD
15 citations
69