SK

Shigeru Kohata

SC Seiko Clock: 2 patents #7 of 20Top 35%
SC Seikosha Co.: 1 patents #184 of 312Top 60%
Overall (All Time): #1,637,491 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5717660 Rotary decoration driving device — 1998-02-10
5566140 Clock movement Hiroyuki Hashizume 1996-10-15
D357884 Clock movement Takumi Matsuda 1995-05-02