Inventor · disambiguated record
Hirotoshi Nakayama
Also filed as: NAKAYAMA HIROTOSHI
8 granted patents·6 pending applications·16 citations·filing 2013–2022
80Inventor score
Top patents by PatentIndex Score
14 records- 0188US9261767B2Projection optical system and image display apparatusTAKANO YOHEI·Filed 2014·Granted Feb 16, 2016·5 cites·14 claims
- 0281US8885232B2Scanner lens, image reader and image forming deviceNAKAYAMA HIROTOSHI·Filed 2013·Granted Nov 11, 2014·7 cites·9 claims
- 0375US10890840B2Projection optical system unit, projection optical system, and projection optical apparatusTAKANO YOHEI·Filed 2019·Granted Jan 12, 2021·2 cites·18 claims
- 0475US10241308B2Projection optical system including movable lens groups and image display apparatusRICOH CO LTD·Filed 2017·Granted Mar 26, 2019·1 cites·13 claims
- 0563US11042082B2Projection optical system including movable lens groups, a non-movable lens group, and a curved mirrorRICOH CO LTD·Filed 2019·Granted Jun 22, 2021·0 cites·16 claims
- 0663US8854701B2Image-forming lens, image reader, and image-forming deviceNAKAYAMA HIROTOSHI·Filed 2013·Granted Oct 7, 2014·1 cites·7 claims
- 0755US9766438B2Projection optical system and image display apparatus including a refraction optical system and first and second reflecing surfacesRICOH CO LTD·Filed 2015·Granted Sep 19, 2017·0 cites·15 claims
- 0848US10725369B2Light source device and image display apparatusNAKAMURA KASUMI·Filed 2019·Granted Jul 28, 2020·0 cites·10 claims
- 0945US2022410608A1Substrate, container, product, production method, and production apparatusHIRAYAMA RIE·Filed 2020·Application pending·0 cites
- 1044US2022305812A1Medium, container, object-holding container, marking device, and method of manufacturing containerFUNAHASHI KAZUKI·Filed 2022·Application pending·0 cites
- 1144US2023278141A1Pattern forming apparatusSERIZAWA KEIICHI·Filed 2021·Application pending·0 cites
- 1243US2021041677A1Irradiation optical system, light irradiation device, and three-dimensional fabricating apparatusNAKAYAMA HIROTOSHI·Filed 2020·Application pending·0 cites
- 1342US2020262153A1Fabricating apparatus, fabricating method, and fabricating systemARAO TSUYOSHI·Filed 2020·Application pending·0 cites
- 1435US2021402805A1DeviceTAMURA ASATO·Filed 2021·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hirotoshi Nakayama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →