Inventor · disambiguated record
Yoshihisa Ishigami
Also filed as: ISHIGAMI YOSHIHISA
3 granted patents·2 pending applications·51 citations·filing 1983–2002
70Inventor score
Top patents by PatentIndex Score
5 records- 0183US6670597B1Illumination sensor with spectral sensitivity corresponding to human luminosity characteristicMATSUSHITA ELECTRIC WORKS LTD·Filed 2000·Granted Dec 30, 2003·41 cites·16 claims
- 0248US6721151B2Ground fault interrupterMATSUSHITA ELECTRIC WORKS LTD·Filed 2001·Granted Apr 13, 2004·5 cites·8 claims
- 0342US2002143588A1Card system for immigration/emigration control and card for use in the systemFiled 2002·Application pending·0 cites
- 0442US2002193973A1Passenger moving space guide systemFUJITSU LTD·Filed 2002·Application pending·0 cites
- 0529US4513339ACurrent detecting apparatusMATSUSHITA ELECTRIC WORKS LTD·Filed 1983·Granted Apr 23, 1985·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →