HH

Hiroshi Hirashima

CC Citizen Watch Co.: 1 patents #39 of 135Top 30%
Overall (2002): #206,974 of 266,432Top 80%
1
Patents 2002

Issued Patents 2002

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