RT

Rumi Tanaka

SG Seiko Group: 2 patents #18 of 90Top 20%
SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
Overall (All Time): #1,615,656 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D455971 Wrist watch Akihiko Yamamoto 2002-04-23
D431476 Watch case with band 2000-10-03
D378898 Watchcase with watchband Yukiko Hayashi 1997-04-22