Inventor · disambiguated record
Seiji Watatani
Also filed as: WATATANI SEIJI
3 granted patents·32 citations·filing 1980–1982
70Inventor score
Files withHITACHI MAXELL3
Top patents by PatentIndex Score
3 records- 0153US4322474AMagnetic recording mediumHITACHI MAXELL·Filed 1980·Granted Mar 30, 1982·15 cites·3 claims
- 0248US4363850AMagnetic recording mediumHITACHI MAXELL·Filed 1980·Granted Dec 14, 1982·11 cites·2 claims
- 0331US4561034AMagnetic recording mediumHITACHI MAXELL·Filed 1982·Granted Dec 24, 1985·6 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →