Inventor · disambiguated record
Norio Akai
Also filed as: AKAI NORIO
3 granted patents·31 citations·filing 1978–1990
70Inventor score
Top patents by PatentIndex Score
3 records- 0165US4803584ADisk cartridge with cleaning sheet of non-woven fabricHITACHI MAXELL·Filed 1987·Granted Feb 7, 1989·16 cites·14 claims
- 0241US4176847ADevice for preventing slipping of turntable out of shaftAKAI NORIO·Filed 1978·Granted Dec 4, 1979·7 cites·3 claims
- 0337US5082728AMagnetic discHITACHI MAXELL·Filed 1990·Granted Jan 21, 1992·8 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →