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Nobumasa Nishiyama

HI Hitachi: 3 patents #145 of 3,149Top 5%
Overall (1994): #9,996 of 165,921Top 7%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5367411 Magnetic recording and reproducing apparatus with reproducing head of magnetoresistive type having control of magnetic bias level Yasuhiro Kato, Toshiaki Tsuyoshi 1994-11-22
5337198 Digital magnetic writing and reading apparatus Toshiaki Tsuyoshi, Hajime Aoi, Tetsuji Kameoka, Masaya Tanaka, Kazuhisa Shiraishi 1994-08-09
5307213 Data reproducing apparatus for eliminating undershoots in the vicinity of the outer edges of a magnetic pole 1994-04-26