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PH Philtech: 1 patents #8 of 15Top 55%
Overall (All Time): #4,139,961 of 4,157,543Top 100%
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Issued Patents All Time

Patent #TitleCo-InventorsDate
10428422 Film-forming method Yuji Furumura, Noriyoshi Shimizu, Shinji Nishihara, Masato Ishikawa 2019-10-01