TO

Toyoshige Okamoto

CC Chichibu Onoda Cement: 1 patents #1 of 22Top 5%
Overall (All Time): #3,697,203 of 4,157,543Top 90%
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Patent #TitleCo-InventorsDate
5810922 Hardening composition and hardened product Yasuyuki Ishida, Jun Uchida 1998-09-22