AH

Akio Hashima

Sumitomo Electric Industries: 7 patents #3,987 of 21,551Top 20%
Overall (All Time): #671,583 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
4698694 Video signal processing apparatus for video tape recorders Masao Tomita 1987-10-06
4695900 Magnetic recording and playback apparatus for teletext signals Masahiro Honjo 1987-09-22
4691247 Video signal recording/reproducing apparatus Masahiro Honjo 1987-09-01
4686583 Dropout compensating apparatus using a digital delay circuit Masao Tomita, Haruo Ohta, Tadaaki Matsuo 1987-08-11
4677487 Digital noise reducing apparatus for a video signal processing recording reproducing apparatus Masao Tomita 1987-06-30
4630251 Video disc reproducing apparatus Masao Tomita, Akihiro Takeuchi 1986-12-16
4605974 Magnetic recording and reproducing apparatus Atsuo Ochi, Masao Tomita 1986-08-12
4320533 Frequency stabilized downconverter facilitating output frequency alteration 1982-03-16