HH

Hiroyuki Hashizume

SC Seiko Clock: 3 patents #4 of 20Top 20%
KK Kayaba Kogyo: 1 patents #38 of 155Top 25%
📍 Kani, JP: #20 of 110 inventorsTop 20%
Overall (All Time): #1,283,406 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5999495 Timepiece movement Koji Baba 1999-12-07
5930205 Timepiece movement Koji Baba 1999-07-27
5566140 Clock movement Shigeru Kohata 1996-10-15
4492545 Cam ring for vane pump Norihiro Mochizuki 1985-01-08