HT

Hiroyuki Tamenori

NL Nippon Sheet Glass Company, Limited: 1 patents #482 of 836Top 60%
Overall (All Time): #3,977,998 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4678652 Process for producing silica in fine powder form Akihiko Hattori, Mitsugi Yoshiyagawa 1987-07-07