Inventor
TOKUSHIMA TADAO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “TOKUSHIMA TADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TSUYA NOBORU
4 patentsUS5047274ASep 10, 1991
Annodized aluminum substrate for a magnetic recording disk in which pores are filled with a non magnetic material and the surface polished and etched
TSUYA NOBORU27 citations92
US4925738AMay 15, 1990
Substrate for a magnetic disk and process for its production
TSUYA NOBORU23 citations92
US5209837AMay 11, 1993
Process for preparing magnetic disk
TSUYA NOBORU20 citations82
US5074971ADec 24, 1991
Process for preparing magnetic disk
TSUYA NOBORU18 citations82
NIPPON MUSICAL INSTRUMENTS MFG
4 patentsUS4904349AFeb 27, 1990
Methods for producing optomagnetic recording media and systems for their use
NIPPON MUSICAL INSTRUMENTS MFG6 citations72
US4761330AAug 2, 1988
Optomagnetic recording medium
NIPPON MUSICAL INSTRUMENTS MFG7 citations66
US4681669AJul 21, 1987
Method for producing magnetic recording media
NIPPON MUSICAL INSTRUMENTS MFG4 citations62
US4463649AAug 7, 1984
Waveform producing system employing scanning of a waveform pattern
NIPPON MUSICAL INSTRUMENTS MFG6 citations62