Category Archives: Patents

Canon 200-500mm f/5.6 Patent Found

Canon has been turning out lens patents at a blistering pace. Just the other day, I did a post of numerous patents, and now there is one more. overview [Publication number] P2025150145 [Release date] 2025-10-09 [Title of invention] Zoom lens and imaging device [Application date] 2024-03-27 [Applicant] [Identification number] 000001007 [Name] Canon Inc. A zoom […]

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Canon 20-40mm f/2.8, 10-30mm f/4 APS-C, 28-400mm F3.5-6.3 IS, 28-400mm f/4-8 IS, 50-150mm f/2.8, 70-180mm f/2.8, 50mm f/1.2, 35mm f/1.8, and 65mm f/1.8 Patents Found

Several new patents have been found for Canon RF lenses that you can check out below:

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Canon 20mm F2.8 Macro IS and 24mm F2.8 Macro Patents Found

A Patent has been found for a new Canon 50mm f/1.2 lens. You can check out the patent below: overview [Publication number] P2025124117 [Release date] 2025-08-26 [Title of invention] Optical system and imaging device [Application date] 2024-02-14 [Applicant] [Identification number] 000001007 [Name] Canon Inc. To provide a compact, wide-angle optical system that has high image […]

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Canon 50mm f/1.2 Patent Found

A Patent has been found for a new Canon 50mm f/1.2 lens. You can check out the patent below: overview [Publication number] P2025118483 [Release date] 2025-08-13 [Title of invention] Optical system and imaging device [Application date] 2024-08-01 [Applicant] [Identification number] 000001007 [Name] Canon Inc. An optical system is provided that is large in diameter, yet […]

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Canon Patent For 300mm F2.8 IS, 400mm F2.8 IS, and 500mm F4 IS Found

Patents were found for the Canon 300mm f/2.8 IS, Canon 400mm f/2.8 IS, and Canon 500mm f/4 IS lenses. overview [Publication number] P2025114982 [Release date] 2025-08-06 [Title of Invention] Optical system and imaging device having the same [Application date] 2024-01-25 [Applicant] [Identification number] 000001007 [Name] Canon Inc. To provide an optical system that has high […]

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Canon 28mm F1.2 and 35mm F1.4 Patents Found

Patents were found for a Canon 28mm F1.2 and 35mm F1.4, which you can read below: overview [Publication number] P2025109405 [Release date] 2025-07-25 [Application date] 2024-01-12 [Applicant] [Identification number] 000001007 [Name or company name] Canon Inc. To suppress breathing and fluctuations in optical performance during focusing. [Background Art] [0002] When a focus lens group is […]

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