HK

Haruhiro Kato

DC Dai Nippon Toryo Co.: 1 patents #73 of 196Top 40%
Overall (All Time): #4,107,863 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4192581 Electrochromic display device Masachika Yaguchi 1980-03-11