SK

Shigeru Katsuyama

GI G-C Dental Industrial: 1 patents #43 of 89Top 50%
Overall (All Time): #3,977,935 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4678436 Color-changeable cement composition for dental use Kenji Kondo, Shoji Akahane, Kentaro Tomioka 1987-07-07