Inventor · disambiguated record
Norikazu Igarashi
Also filed as: IGARASHI NORIKAZU
10 granted patents·3 pending applications·5 citations·filing 2012–2022
78Inventor score
Top patents by PatentIndex Score
13 records- 0179US9020406B2Image forming apparatus and method of correcting color registration errorIGARASHI NORIKAZU·Filed 2013·Granted Apr 28, 2015·3 cites·12 claims
- 0270US8862002B2Image forming apparatus and methodIGARASHI NORIKAZU·Filed 2012·Granted Oct 14, 2014·2 cites·14 claims
- 0356US12265225B2Light guide member and display deviceNAKAMURA NAOKI·Filed 2021·Granted Apr 1, 2025·0 cites·19 claims
- 0452US12449582B2Light guide and virtual-image display deviceNAKAMURA NAOKI·Filed 2021·Granted Oct 21, 2025·0 cites·11 claims
- 0549US12181673B2Propagation optical system and virtual image display deviceSUDOH YOSHIFUMI·Filed 2021·Granted Dec 31, 2024·0 cites·20 claims
- 0649US11143870B2Display apparatus and display methodRICOH CO LTD·Filed 2018·Granted Oct 12, 2021·0 cites·6 claims
- 0748US12099207B2Virtual image display deviceNAKAMURA NAOKI·Filed 2020·Granted Sep 24, 2024·0 cites·20 claims
- 0848US11656461B2Head-mounted display device with adjusterRICOH CO LTD·Filed 2020·Granted May 23, 2023·0 cites·20 claims
- 0946US11960096B2Head-mounted display device containing relay optical system between image display unit and light guide member and display systemRICOH CO LTD·Filed 2018·Granted Apr 16, 2024·0 cites·18 claims
- 1043US2022252838A1Lens unit, optical system, and electronic apparatusSUDOH YOSHIFUMI·Filed 2022·Application pending·0 cites
- 1136US2020400954A1Image display system, image display method, and wearable display deviceTANAKA SATOMI·Filed 2020·Application pending·0 cites
- 1235US10670421B2Apparatus, system, and method of information sharing, and recording mediumGOTOH YUUTO·Filed 2017·Granted Jun 2, 2020·0 cites·18 claims
- 1332US2017171719A1Information processing apparatus, information processing method, and recording medium storing information processing programIGARASHI NORIKAZU·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →