IT

Itoh Takashi

OC Ohkawara Kakohki Co.: 1 patents #13 of 32Top 45%
Overall (All Time): #3,829,834 of 4,157,543Top 95%
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Patent #TitleCo-InventorsDate
5232550 Vacuum drying method Ohkawara Masaaki 1993-08-03