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Trantek patents list  (until 2018)

13

PCT international patent

41

Invention patent

145

Utility model patent

23

Design patent

16

IC layout patent

7

Patent in other regions

Patent of Mechanical Switch:57(Patent in USA: 2 pcs)

TTC
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Core Patent of ME Switch:Click by recoil spring (item 6)

Patent No:CN201510203635.6

USA Patent No.:us10079123 B2

TTC solves the challenge of slim type switch to have both good clicky voice and feeling in Y2015 by using recoil spring producing the voice independently. The Chinese invention patent has been authorized in 2017 Oct. and USA patent is authorized in 2018 Sep. Although the competitors filed a lawsuit to null the patent, but the “Patent Reexamination Board of China” has rejected the lawsuit and keeps the patent valid.

ttc
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Core Patent of ME Switch:Horizontal Bending Design

Patent No:CN201420695786.9

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TTC designed the flexible terminal by bending the metal plate in horizontal direction to lower down the height for slim type switch to simplify the design in Y2014. The competitor filed the lawsuit to null the patent twice but both rejected by “Patent Reexamination Board of China” and keeps the patent valid. In Y2018, the “Intellectual Property Bureau of Guangzhou” judged Kaihua infringed the patent and needed to pay RMB 250K for the economic compensation. Also needed to stop all the products infringing the patent.

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Infringing products

Core Paten of ME Switch:Design of Dust-Proof upper cover

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Patent No:201620103314.9

TTC applied the patent of the dust-proof design in Y2016 Feb. the patent is owned by TTC and all you can see in the market is later than TTC’s design. The design can prevent the dust falling from the button or top case into the switch effectively, also can minimize the wobbling of the button to highly improve the operating stability and user experience.

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Core Paten of ME Switch:Concave convex mirror 

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Patent No:201520887637.7

Keyboard switch concave convex mirror cover is a patent structure applied by TTC in March 2016.

 

The technology provides a transparent structure of the upper cover. The SMD lamp installed on the PCB can be diffused by the concave convex mirror through the switch base.

Core Patent of ME Switch:Hybrid keyswitch

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*Hybrid keyswitch has applied for domestic and foreign patents, counterfeiting must be investigated!

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Core Patent of ME Switch:Hybrid Switch

*Hybrid keyswitch has applied for domestic and foreign patents, counterfeiting must be investigated!

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Core Patent of ME Switch:Silent Switch

Patent number: 201620057892.3

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Core Patent of Mouse Roller:4D Roller Module

USA Patent No:US8159460 B2

TTC developed a 4D mouse roller module which can scroll vertically and tilt horizontally in Y2005. The patent was authorized in USA in Y2012 and there is slim encoder with wire harness accompanied in the design.

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