Takeda Pharmaceutical has been granted a patent for a laser processing system that includes a processing machine, a setting module, a controller, and an analysis module. The system allows for the testing and control of processing parameters to ensure the quality of laser processing on a target. The patent also includes a laser processing method that involves preparing a processing recipe, performing test processing, analyzing the results, and selecting the optimal set value for manufacturing a product. The method also takes into account the shape of the product and divides it into processing units for individual testing. GlobalData’s report on Takeda Pharmaceutical 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 Takeda Pharmaceutical, Cancer treatment biomarkers was a key innovation area identified from patents. Takeda Pharmaceutical's grant share as of September 2023 was 46%. Grant share is based on the ratio of number of grants to total number of patents.

Laser processing method with optimized quality control

Source: United States Patent and Trademark Office (USPTO). Credit: Takeda Pharmaceutical Co Ltd

A recently granted patent (Publication Number: US11772203B2) describes a laser processing method that aims to improve the quality of laser processing on a processing target. The method involves preparing a processing recipe with set values for testing various processing parameters, such as power, frequency, pulse width, duty ratio, or focal length of a laser beam. These set values are tested in multiple rounds of first test processing on the processing target, and the results are analyzed to measure the quality value of each test.

Based on the measured quality values, the method selects the set value for testing used in a specific round of the first test processing that most satisfies a predetermined reference quality. This selected set value is then used for manufacturing a product from the processing target, controlling the manufacturing process based on this set value. The processing design of the product corresponds to its shape, which is defined by a pattern consisting of lines and dots. The pattern is divided into processing units, and the processing recipe is individually prepared for each unit.

The patent also describes additional steps in the method. After the first test processing, second test processing is performed on the processing target using the set value selected for manufacturing the product. The results of the second test processing are divided and analyzed for each processing unit to determine if any units are defective. If a unit is found to be defective, the set value for manufacturing the product is reselected from the processing recipe for that unit, and the second test processing is performed again.

The method also includes the use of setting criteria, such as minimum and maximum set values and unit intervals, to determine the range of set values for testing. The reference quality is a reference quality value, and the set value for manufacturing the product is selected based on the smallest error from the reference quality value among the set values for testing.

Overall, this patented laser processing method offers a systematic approach to optimize the quality of laser processing by testing and selecting the most suitable set values for processing parameters. By individually preparing processing recipes for different processing units and analyzing the results, the method aims to improve the overall quality of the manufactured product.

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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