ST

Seiki Tanaka

SO Sony: 3 patents #10,744 of 25,231Top 45%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
Overall (All Time): #1,217,841 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8670231 Semiconductor recording medium recording and/or reproducing apparatus Haruyuki Kouno 2014-03-11
5528438 Drum assembly having a lower fixed drum and an upper rotary drum with a particularly shaped outer surface Takashi Sasaya, Shougo Uehara 1996-06-18
5212820 Tape loading apparatus for drawing magnetic tapes 1993-05-18
5133632 Automatic warehouse for cartridge tapes Mikio Aramaki, Shinichiro Hirano, Hidemasa Satoh, Jiro Agawa 1992-07-28