HH

Hiroshi Hirashima

CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
Overall (All Time): #3,551,964 of 4,157,543Top 90%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6423247 Phosphorescent pigment and process for preparing the same Mizue Fukushima, Hiroaki Imai, Oh Junrok 2002-07-23