United States
US 12,697,792 B2
Method of producing spectacle lens
US 12,697,792 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-04. Applicant: Takumi NOMURA; HOYA LENS THAILAND LTD. Its PDF downloads from this page without an account, up to 5 a day.
- Applicant
- Takumi NOMURA; HOYA LENS THAILAND LTD.
- Inventors
- Takumi NOMURA
- Publication date
- 2026-08-04
- Filing date
- 2023-08-25
- Document type
- B2 Granted patent
- Also written as
- US 12,697,792 B2 · US12697792 · 12697792
Abstract
There is provided a method of producing a spectacle lens, wherein the spectacle lens has a water-repellent layer, and the method including film-forming the water-repellent layer by a heat deposition method and heating a plurality of deposition sources according to different temperature profiles in the film-forming by the heat deposition method, wherein, in the plurality of deposition sources, at least one deposition source contains a water-repellent component and at least one deposition source contains a metal component.
The opening of the abstract. The full text is in the PDF.
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Patent office website: United States Patent and Trademark Office (USPTO)
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