EK

Eiji Karaki

SE Seiko Epson: 3 patents #5 of 308Top 2%
Overall (1994): #13,662 of 165,921Top 9%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5376861 At-cut crystal oscillating reed and method of etching the same Hideaki Nakamura 1994-12-27
5314577 At-cut crystal oscillating reed and method of etching the same Hideaki Nakamura 1994-05-24
5304459 At-cut crystal oscillating reed and method of etching the same Hideaki Nakamura 1994-04-19