Inventor · disambiguated record
Sadao Isozaki
Also filed as: ISOZAKI SADAO
9 granted patents·137 citations·filing 1987–1990
89Inventor score
Files withMEISEI ELECTRIC CO LTD9
Top patents by PatentIndex Score
9 records- 0191USD313235STelephone apparatusMEISEI ELECTRIC CO LTD·Filed 1989·Granted Dec 25, 1990·36 cites·1 claims
- 0289USD304564SAttendant telephone switchboardMEISEI ELECTRIC CO LTD·Filed 1987·Granted Nov 14, 1989·32 cites·1 claims
- 0379USD310076STelephoneMEISEI ELECTRIC CO LTD·Filed 1987·Granted Aug 21, 1990·19 cites·1 claims
- 0472USD320797STelephone instrument setMEISEI ELECTRIC CO LTD·Filed 1989·Granted Oct 15, 1991·12 cites·1 claims
- 0569USD323827STelephone setMEISEI ELECTRIC CO LTD·Filed 1990·Granted Feb 11, 1992·12 cites·1 claims
- 0661USD300029SDirect station telephone selector standMEISEI ELECTRIC CO LTD·Filed 1987·Granted Feb 28, 1989·8 cites·1 claims
- 0758USD315564SDirect station telephone selectorMEISEI ELECTRIC CO LTD·Filed 1989·Granted Mar 19, 1991·8 cites·1 claims
- 0851USD303801SDirect station telephone selectorMEISEI ELECTRIC CO LTD·Filed 1988·Granted Oct 3, 1989·5 cites·1 claims
- 0946USD299134STelephone apparatus with speakerphone and display panelMEISEI ELECTRIC CO LTD·Filed 1987·Granted Dec 27, 1988·5 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →