TM

Tokuichi Minakawa

AC Akai Electric Co.: 6 patents #2 of 21Top 10%
Overall (All Time): #888,679 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5636076 Automatic recording current controller of magnetic recorder Shinji Tanimoto 1997-06-03
5446539 Magnetic recording and reproducing device with selective line noise canceling 1995-08-29
5416641 Magnetic recording/reproducing apparatus including a switch for selectively supplying a reference signal to the recording unit 1995-05-16
5400149 Magnetic recording apparatus having improved detail emphasis circuit 1995-03-21
5257109 Magnetic recording and reproducing apparatus 1993-10-26
5249064 Noise canceller for use in a magnetic reproducing apparatus 1993-09-28