TH

Tsunao Hasegawa

Pioneer Electronic: 3 patents #7 of 85Top 9%
Overall (1982): #2,911 of 81,411Top 4%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4352130 Magnetic sound recorder having computer-controlled adjusting device Yasushi Ohtake 1982-09-28
4344094 Method and apparatus detecting and setting optimum tape recording bias Yasushi Ohtake 1982-08-10
4312020 Frequency response adjusting device for magnetic sound recorder 1982-01-19