HH

Haruki Hiranuma

SI Seiko Instruments: 53 patents #12 of 1,437Top 1%
Overall (All Time): #49,440 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 51–53 of 53 patents

Patent #TitleCo-InventorsDate
6788623 Wrist watch Isao Ajiro, Nobukazu Oomori 2004-09-07
6648502 Wrist-portable electronic apparatus and air chamber device Nobukazu Oomori 2003-11-18
4964093 Opening and closing structure of cover lid of watch Nobuhide Matsumoto 1990-10-16