Inventor · disambiguated record
Masaharu Yokoyama
Also filed as: YOKOYAMA MASAHARU
4 granted patents·121 citations·filing 1988–2003
73Inventor score
Top patents by PatentIndex Score
4 records- 0189US4942534ASignal-transmission type production supervising system including IC card and wireless type interface unitNISSAN MOTOR·Filed 1988·Granted Jul 17, 1990·113 cites·12 claims
- 0255US6667854B2Magnetic head having head element protected from electrostatic damage, and production method thereforALPS ELECTRIC CO LTD·Filed 2003·Granted Dec 23, 2003·3 cites·2 claims
- 0337US6638670B1Exposure mask and exposure method using the sameALPS ELECTRIC CO LTD·Filed 2000·Granted Oct 28, 2003·0 cites·9 claims
- 0435US6258515B1Pattern forming methodALPS ELECTRIC CO LTD·Filed 1999·Granted Jul 10, 2001·5 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →