Inventor · disambiguated record
Koji Shiokawa
Also filed as: SHIOKAWA KOJI
14 granted patents·1 pending application·26 citations·filing 2015–2022
87Inventor score
Files withSEIKO EPSON CORP15
Top patents by PatentIndex Score
15 records- 0190US10539766B2Projection optical system and projection image display deviceSEIKO EPSON CORP·Filed 2017·Granted Jan 21, 2020·8 cites·14 claims
- 0288US12007678B2Projection system and projector with first optical system and second optical systemSEIKO EPSON CORP·Filed 2021·Granted Jun 11, 2024·2 cites·13 claims
- 0386US10473902B2Projection system and projection-type image display apparatusSEIKO EPSON CORP·Filed 2017·Granted Nov 12, 2019·6 cites·18 claims
- 0485US10782510B2Projection system and projector with light-shielding maskSEIKO EPSON CORP·Filed 2017·Granted Sep 22, 2020·4 cites·16 claims
- 0576US11435565B2Projection system and projection-type image display apparatusSEIKO EPSON CORP·Filed 2019·Granted Sep 6, 2022·2 cites·18 claims
- 0676US9740086B2Wide field angle projection system and projection-type image display apparatusSEIKO EPSON CORP·Filed 2016·Granted Aug 22, 2017·2 cites·16 claims
- 0775US10574935B2Projection optical system and projection type image display deviceSEIKO EPSON CORP·Filed 2018·Granted Feb 25, 2020·2 cites·16 claims
- 0859US12235465B2Projection system and projectorSEIKO EPSON CORP·Filed 2022·Granted Feb 25, 2025·0 cites·9 claims
- 0958US12298596B2Optical system and projectorSEIKO EPSON CORP·Filed 2022·Granted May 13, 2025·0 cites·9 claims
- 1050US10895719B2Projection system and projectorSEIKO EPSON CORP·Filed 2017·Granted Jan 19, 2021·0 cites·20 claims
- 1149US10503057B2Projection lens and projectorSEIKO EPSON CORP·Filed 2019·Granted Dec 10, 2019·0 cites·20 claims
- 1246US9348124B2Projection system and projection-type image display apparatusSEIKO EPSON CORP·Filed 2015·Granted May 24, 2016·0 cites·12 claims
- 1345US10754231B2ProjectorSEIKO EPSON CORP·Filed 2018·Granted Aug 25, 2020·0 cites·14 claims
- 1442US2020249450A1Projection optical device and projectorSEIKO EPSON CORP·Filed 2020·Application pending·0 cites
- 1535US10571786B2Projection system and projection-type image display apparatusSEIKO EPSON CORP·Filed 2018·Granted Feb 25, 2020·0 cites·9 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →