Tadashi Otsuki

SO Sony: 2 patents #121 of 1,124Top 15%

Overall (1994): #18,605 of 165,921Top 15%

Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5347207	Disc shaped recording medium having a zero track address and multibit opposite polarity track addresses and an address discrimination circuit for reading such recording medium	—	1994-09-13
5283779	Rewritable optical disc	—	1994-02-01