Inventor · disambiguated record
Yohei Hamachi
Also filed as: HAMACHI YOHEI
3 granted patents·7 pending applications·0 citations·filing 2020–2025
46Inventor score
Files withFUJIFILM CORP10
Top patents by PatentIndex Score
10 records- 0181US2025321369A1Optical systemFUJIFILM CORP·Filed 2025·Application pending·0 cites
- 0279US12372703B2Optical systemFUJIFILM CORP·Filed 2024·Granted Jul 29, 2025·0 cites·6 claims
- 0373US11988857B2Optical systemFUJIFILM CORP·Filed 2022·Granted May 21, 2024·0 cites·10 claims
- 0467US2025389877A1Exposure device, method of manufacturing diffractive optical element, optical sheet, and alignment filmFUJIFILM CORP·Filed 2025·Application pending·0 cites
- 0558US12345907B2Optical laminate, laminated optical film, optical article, and virtual reality display deviceFUJIFILM CORP·Filed 2023·Granted Jul 1, 2025·0 cites·23 claims
- 0658US2025035830A1Forming method, optical film, cholesteric liquid crystal layer, optical laminate, and production method of curved-shaped optically functional layerFUJIFILM CORP·Filed 2024·Application pending·0 cites
- 0758US2025035986A1Optically functional film, optical laminate, formed product, manufacturing method of optical component, optical component, virtual reality display apparatus, optical film, and forming methodFUJIFILM CORP·Filed 2024·Application pending·0 cites
- 0856US2025085466A1Optical laminate, laminated optical film, optical article, and virtual reality display deviceFUJIFILM CORP·Filed 2024·Application pending·0 cites
- 0950US2023314679A1Laminated optical film and image display deviceFUJIFILM CORP·Filed 2023·Application pending·0 cites
- 1040US2020199317A1Method for producing filmFUJIFILM CORP·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →