Inventor · disambiguated record
Toshimasa Usui
Also filed as: USUI TOSHIMASA
8 granted patents·1 pending application·143 citations·filing 1987–2020
88Inventor score
Top patents by PatentIndex Score
9 records- 0186US10333491B2Oscillator, electronic apparatus, and moving objectSEIKO EPSON CORP·Filed 2016·Granted Jun 25, 2019·4 cites·7 claims
- 0285US6518813B1Clock generating circuit and semiconductor integrated circuit using the sameSEIKO EPSON CORP·Filed 2000·Granted Feb 11, 2003·36 cites·17 claims
- 0377US6611157B2Differential signal output circuitSEIKO EPSON CORP·Filed 2002·Granted Aug 26, 2003·28 cites·4 claims
- 0476US6414528B1Clock generation circuit, serial/parallel conversion device and parallel/serial conversion device together with semiconductor deviceSEIKO EPSON CORP·Filed 2000·Granted Jul 2, 2002·26 cites·11 claims
- 0568US5095225ASynchronous RST flip-flop circuits flowing small leakage currentNEC CORP·Filed 1990·Granted Mar 10, 1992·23 cites·4 claims
- 0657US4771327AMaster-slice integrated circuit having an improved arrangement of transistor elements for simplified wiringsNEC CORP·Filed 1987·Granted Sep 13, 1988·17 cites·12 claims
- 0742US2021088386A1Object detecting deviceOPTEX CO LTD·Filed 2020·Application pending·0 cites
- 0832US5179435AResin sealed semiconductor integrated circuit deviceNEC CORP·Filed 1991·Granted Jan 12, 1993·6 cites·8 claims
- 0931US5223804AFabrication process for IC circuit and IC circuits fabricated therebySEIKO EPSON CORP·Filed 1991·Granted Jun 29, 1993·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →