Inventor · disambiguated record
Ichirou Tokunaga
Also filed as: TOKUNAGA ICHIROU
5 granted patents·210 citations·filing 1999–2000
84Inventor score
Files withALPS ELECTRIC CO LTD4
Top patents by PatentIndex Score
5 records- 0190US6496003B1Magnetic displacement detecting device having linear changing magnetic field over the length of the serviceFiled 2000·Granted Dec 17, 2002·50 cites·18 claims
- 0286US6329818B1Magnetic field sensor having giant magnetoresistive effect elements, manufacturing method and apparatus thereforALPS ELECTRIC CO LTD·Filed 1999·Granted Dec 11, 2001·65 cites·16 claims
- 0384US6175296B1Potentiometer provided with giant magnetoresistive effect elementsALPS ELECTRIC CO LTD·Filed 1999·Granted Jan 16, 2001·58 cites·4 claims
- 0468US6452382B1Encoder provided with giant magnetoresistive effect elementsALPS ELECTRIC CO LTD·Filed 1999·Granted Sep 17, 2002·30 cites·16 claims
- 0557US6456065B2Device for detecting the rotational angle of a rotary memberALPS ELECTRIC CO LTD·Filed 2000·Granted Sep 24, 2002·7 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →