TK

Takeyuki Kamiyama

SH Shachihata: 3 patents #6 of 28Top 25%
Overall (All Time): #1,459,591 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D902680 Scissors Natsuki Yamada, Musashi Kimura 2020-11-24
8302531 Self-inking stamp Motokazu Ito 2012-11-06
D447174 Felt pen 2001-08-28