AC

Akio Chikazawa

OC Osaka Gas Co.: 1 patents #252 of 689Top 40%
Overall (All Time): #3,652,455 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5916478 Heat-accumulating microcapsule dispersion Takatoshi Nakahira, Tetsuo Setoguchi, Masaaki Yoshikawa, Akira Kishimoto, Mamoru Ishiguro +3 more 1999-06-29