Inventor · disambiguated record

Yuuji Iwahashi

Also filed as: IWAHASHI YUUJI

2 granted patents·24 citations·filing 1986–1988

60Inventor score

Technology areasB29C G11B

Files withSONY CORP2

Top patents by PatentIndex Score

2 records

0148US4908725ARecording medium casing with erase prevention deviceSONY CORP·Filed 1988·Granted Mar 13, 1990·10 cites·6 claims
0246US4802044AMounting arrangements for levy springs acting against tape reels in a cassetteSONY CORP·Filed 1986·Granted Jan 31, 1989·14 cites·4 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →