YT

Yoshiyuki Takematsu

UN Unknown: 1 patents #273 of 2,925Top 10%
Overall (2003): #35,091 of 273,478Top 15%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6518714 Flash lamps for underwater photography Akihide Inoue 2003-02-11
6512887 Flash lamps for underwater photography provided with target light and control methods and devices therefor Akihide Inoue 2003-01-28