Shimadzu‘s patent involves a sample injection device with a syringe, needle, and controller for gas chromatographs. The device ensures precise needle penetration of a lid member for airtightness, controlling moving speeds for optimal sample injection. GlobalData’s report on Shimadzu 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 Shimadzu, Image segmentation techniques was a key innovation area identified from patents. Shimadzu's grant share as of January 2024 was 25%. Grant share is based on the ratio of number of grants to total number of patents.
Controlled sample injection device with variable needle penetration speeds
The granted patent (Publication Number: US11885775B2) describes a sample injection device that includes a syringe with a needle for injecting samples into a gas chromatograph, a syringe drive to move the syringe, and a controller to control the syringe drive. The needle is designed to penetrate an elastically deformable lid member to maintain airtightness during injection. The controller controls the syringe drive to ensure specific moving speeds during the injection process, with different speeds for penetrating the lid member and moving within the sample introduction portion.
Furthermore, the patent details how the controller can adjust the moving speeds based on the depth position of the needle in the lid member, with variations in speed during different stages of the injection process. Additionally, the patent highlights the use of a pulse motor in the syringe drive, synchronized with pulse power, to achieve the desired moving speeds during the injection operations. Overall, the sample injection device described in the patent aims to provide precise control over the injection process, ensuring efficient and accurate sample introduction into the gas chromatograph for analysis.
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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.
