Japan Tobacco has been granted a patent for an electronic cigarette with a main body containing a laser and a cartridge with a liquid store and absorber. The enabling device ensures radiation from the laser only heats the absorber when the cartridge is assembled, preventing light propagation when disassembled. GlobalData’s report on Japan Tobacco gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Japan Tobacco, Behavioral biometrics was a key innovation area identified from patents. Japan Tobacco's grant share as of January 2024 was 37%. Grant share is based on the ratio of number of grants to total number of patents.
Electronic cigarette with laser heating for vaporizing liquid medium
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A recently granted patent (Publication Number: US11882880B2) discloses an innovative electronic cigarette design comprising a main body with a vaporizing light source, a cartridge with a liquid store and absorber for vaporizing a medium, and an enabling device that allows radiation propagation only when the cartridge is assembled. The enabling device includes a light guide connected to the cartridge, directing radiation towards the absorber when the main body and cartridge are assembled together. Additionally, the vaporizing light source is oriented away from the absorber, with a reflecting surface on the light guide to ensure efficient vaporization.
Furthermore, the patent details various embodiments, including sensors for detecting cartridge presence, control electronics for regulating radiation emission based on sensor signals, and authentication features using encoded information on the cartridge. The enabling device also includes a gate that opens when the cartridge is assembled, allowing radiation propagation, and closes when disassembled. The design ensures safe and controlled vaporization of the medium, with the light guide playing a crucial role in directing radiation towards the absorber. Overall, the patent highlights a sophisticated electronic cigarette system with advanced features for efficient and secure vaporization.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
