TT

Toshiaki Tsuyoshi

HI Hitachi: 2 patents #343 of 3,149Top 15%
📍 Kokubunji, JP: #11 of 105 inventorsTop 15%
Overall (1994): #17,313 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5367411 Magnetic recording and reproducing apparatus with reproducing head of magnetoresistive type having control of magnetic bias level Nobumasa Nishiyama, Yasuhiro Kato 1994-11-22
5337198 Digital magnetic writing and reading apparatus Nobumasa Nishiyama, Hajime Aoi, Tetsuji Kameoka, Masaya Tanaka, Kazuhisa Shiraishi 1994-08-09