MH

Masatoshi Hayakawa

SO Sony: 2 patents #121 of 1,124Top 15%
📍 Yokohama, JP: #55 of 176 inventorsTop 35%
Overall (1994): #26,027 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5365391 Magnetic reproducing head having a distributed-constant circuit type magnetic field detector Yasunari Sugiyama, Kiyoshi Kagawa, Hiroyuki Ohmori 1994-11-15
5331491 High-density magnetic recording and reproducing head Yasunari Sugiyama, Koichi Aso 1994-07-19