TO

Tetsuo Okaya

SS Suwa Seikosha: 2 patents #49 of 220Top 25%
SK Seiko Watch Kabushiki Kaisha: 2 patents #6 of 28Top 25%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
SP Seiko Precision: 1 patents #81 of 173Top 50%
Overall (All Time): #857,545 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D710218 Time recorder Hideki Tanaka 2014-08-05
D551100 Watch case — 2007-09-18
D526923 Watch dial — 2006-08-22
D319789 Wrist watch case — 1991-09-10
D266993 Watch — 1982-11-23
D266229 Watch — 1982-09-21