YI

Yu Ishihara

SK Seiko Watch Kabushiki Kaisha: 5 patents #3 of 28Top 15%
IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
Overall (All Time): #696,308 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
D1049874 Wristwatch case 2024-11-05
D1049873 Wristwatch body 2024-11-05
D1049898 Wristwatch case 2024-11-05
D1034241 Wristwatch body 2024-07-09
D1034242 Wristwatch body 2024-07-09
10752733 Binder for electrochemical element 2020-08-25
D629837 Guitar tuner Yumi Hayamizu, Hiromi Chida, Nobuyuki Iwase 2010-12-28