Inventor · disambiguated record

Masao Ichimura

Also filed as: ICHIMURA MASAO

1 granted patent·0 citations·filing 1975–1975

2Inventor score

Technology areasH04S

Files withNIPPON COLUMBIA1

Top patents by PatentIndex Score

1 record

0123US4075425AMulti-directional sound signal reproducing systemNIPPON COLUMBIA·Filed 1975·Granted Feb 21, 1978·0 cites·12 claims

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