Complex sentence: Perpendicular recording is a newly-implemented technology for data recording on hard disk, first proven advantageous by Professor Shun-ichi Iwasaki of the Tohoku Institute of Technology in Japan in 1976.
Split into simpler sentences: Perpendicular recording is a recently implemented technology for data recording on hard disk. It was first proven advantageous by Professor Shun-ichi Iwasaki of the Tohoku Institute of Technology in Japan in 1976.