Inventor · disambiguated record
Ryoji Chubachi
Also filed as: CHUBACHI RYOJI
3 granted patents·75 citations·filing 1982–1983
72Inventor score
Files withSONY CORP3
Top patents by PatentIndex Score
3 records- 0183US4654260AMagnetic recording mediumSONY CORP·Filed 1982·Granted Mar 31, 1987·26 cites·3 claims
- 0282US4613545AMagnetic recording mediumSONY CORP·Filed 1983·Granted Sep 23, 1986·47 cites·8 claims
- 0332US4788092ADisc-shaped magnetic recording mediumSONY CORP·Filed 1983·Granted Nov 29, 1988·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →