AT

Akihito Tamamura

AU Audio-Technica: 2 patents #1 of 8Top 15%
📍 Sabae, JP: #2 of 9 inventorsTop 25%
Overall (2003): #76,899 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6546636 Method of producing a precise horizontal or vertical laser line beam drawn on objectives, and apparatus thereof — 2003-04-15
6536122 Laser line beam emitting apparatus having functions of laser marking or plumb instrument, or leveler — 2003-03-25