Inventor · disambiguated record
Hirofumi Okubo
Also filed as: OKUBO HIROFUMI
9 granted patents·3 pending applications·15 citations·filing 2009–2024
80Inventor score
Top patents by PatentIndex Score
12 records- 0188US12072615B2Projection optical apparatus that is removable installed in a light emitting apparatus and projectorSEIKO EPSON CORP·Filed 2021·Granted Aug 27, 2024·2 cites·10 claims
- 0283US10942327B2Centering mechanism, lens unit, projection system, and projectorSEIKO EPSON CORP·Filed 2019·Granted Mar 9, 2021·4 cites·20 claims
- 0379US8448950B2Split mechanical sealSATO TETSUYA·Filed 2009·Granted May 28, 2013·8 cites·20 claims
- 0476US11019313B2Projection optical apparatus and projectorSEIKO EPSON CORP·Filed 2020·Granted May 25, 2021·1 cites·8 claims
- 0573US2024329505A1Projection optical apparatus and projectorSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 0661US12313960B2Mounting member and projection optical apparatusSEIKO EPSON CORP·Filed 2021·Granted May 27, 2025·0 cites·11 claims
- 0755US12302937B2Solid objects feeder and apparatus for manufacturing food product with solid objects feederRHEON AUTOMATIC MACHINERY CO·Filed 2021·Granted May 20, 2025·0 cites·8 claims
- 0851US11921407B2Fixing device, projection optical device, and projectorSEIKO EPSON CORP·Filed 2022·Granted Mar 5, 2024·0 cites·14 claims
- 0951US11415868B2Projection optical apparatus having reinforcing member and projectorSEIKO EPSON CORP·Filed 2020·Granted Aug 16, 2022·0 cites·13 claims
- 1050US2023189824A1Transfer Device For Food MaterialRHEON AUTOMATIC MACHINERY CO·Filed 2021·Application pending·0 cites
- 1142US9933695B2Position detection device, optical device, light source device, and projectorSEIKO EPSON CORP·Filed 2017·Granted Apr 3, 2018·0 cites·8 claims
- 1242US2020249450A1Projection optical device and projectorSEIKO EPSON CORP·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →