SU

Sadatoshi Umeki

Tdk: 2 patents #1,902 of 3,796Top 55%
Overall (All Time): #2,225,036 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6213425 Tape reel for tape cassette Hiroshi Kaneda, Masatoshi Okamura 2001-04-10
5887813 Tape cassette having reel detent pivots formed with an axially extending groove for cooling the pivots at substantially the same rate as the cassette Theo Ney, Hiroshi Kaneda 1999-03-30