Recently, Japanese UV LED manufacturer Nitride Semiconductors sued another UV LED solution company RayVio and its distributor Digi-Key Corp in Tokyo District Court for infringement of its Japanese patent, involving the manufacture of UV LEDs. The UV-LED products that Digi-Key sells online are manufactured by RayVio Corp.
Nitride said the two companies infringed the company's Japanese patent JP 3,285,341, entitled "Methods for Manufacturing Gallium Nitride Compound Semiconductors." Nitride applied to the court for a lock-up order (including the destruction of infringing products) and damages.
Nitride had previously filed a similar lawsuit in a US court. On May 23, 2017, the company filed a patent infringement lawsuit against RayVio in the District Court of Northern California, claiming that RayVio infringed patent 6,861,270. On September 22, 2017, he filed a patent infringement lawsuit against Digi-Key in the US District Court of Minnesota.
RayVio is a US-based UV LED manufacturer specializing in UV LED technology, especially for the UV-C band for disinfection applications. Digi-Key Electronics is a provider of integrated electronic components and is headquartered in Minnesota, USA. In 2017, RayVio and Digi-Key signed a new distribution agreement, and their UVB and UVC LEDs will be shipped to the world via Digi-Key.
Nitride has a long history in the field of UV. Nitride said that Professor Shiro Sakai of Tokushima University in Japan successfully developed the first high-efficiency UV LED in 2000 and has been investing heavily in R&D, production and sales of UV LEDs.
Nitride has its intellectual property as its vital management asset. Nitride said it will take decisive action against infringers in any country to protect its patents and other intellectual property.
In recent years, we have seen some small-scale conflicts of intellectual property that have gradually flowed to distributors, even retailers of solid-state lighting (SSL) products that sell infringing components or integrated components. For example, Seoul Semiconductor sued the electronic component distributor Mouser Electronics in April 2017. In general, such actions for distributors are due to the import of components from a geographically loose area of ​​intellectual property control, where litigation against component manufacturers is difficult to win or enforce.
Another phenomenon is that patent litigation events are becoming more and more frequent, both domestically and internationally. This also shows that manufacturers pay more attention to intellectual property rights. This is another aspect that demonstrates the importance of technological innovation in enterprises.
A few days ago, Dapeng Customs seized 12,594 sets of infringing lamps and lanterns from manufacturers in Jiangxi and Dongguan, including 8245 light bulbs, 3110 LED panels and 1200 light strips. According to customs personnel, the infringing products seized this time are the lighting products of Shenzhen Jiabitai Intelligent Lighting Co., Ltd., one of which is a Bluetooth bulb (Patent No.: ZL. 201620514941.1; Record number: P2018-64477) A blue panel light (patent number: ZL.201620504681.X; record number: P2018-64550), is now fully sealed by Shenzhen Customs on July 2, 2018. At present, Jiabitai has entrusted professional lawyers to carry out relevant laws. The work of rights protection.
With the development of China's LED lighting industry, the number of companies exporting LED lighting products has gradually increased, and LED industry infringement cases have appeared frequently. Enterprises should strengthen their awareness of protection of their own patents, actively participate in the establishment of an intellectual property system, actively promote the government to establish a professional "intellectual investment risk fund" institutions, and support industry organizations to create a professional lawyer team to create a comprehensive intellectual property protection system.
Bitcoin mining machines are one way to obtain bitcoins. Bitcoin is an online virtual currency created by open-source peer-to-peer software. Instead of being issued by a specific currency institution, and produced by the massive computation of a specific algorithm, the Bitcoin economy uses a distributed database of nodes throughout the P2P network to identify and record all transactions. The decentralized nature and algorithm of P2P can ensure that it is impossible to artificially manipulate the value of bitcoin by producing a large number of coins.
Any computer can become a mining machine, but the returns will be low, and it may not mine a single bitcoin in a decade. Many companies have developed specialized Bitcoin mining machines with special mining chips that are tens or hundreds of times faster than normal computers.
Currency system by the user (the user through the key control wallet), trade (trade will be broadcast to the whole currency network) and miners (generated by competition calculation agreed on each node of the chain block, block chain is a distributed public authority books, contains the currency network of all the transactions happened)
Bitcoin miners manage the Bitcoin network by solving the problem of proof-of-work mechanisms with a certain amount of work -- confirming transactions and preventing double payments. Because hashing is irreversible, finding the number of random adjustments required to match is difficult, requiring a trial-and-error process that can predict the total number of times. This is where the proof-of-work mechanism comes into play. When a node finds a solution that matches the requirement, it can broadcast its result to the whole network. Other nodes can then receive the newly solved data block and check whether it matches the rule. If the other nodes calculate the hash value and find that the requirement (the operation goal required by Bitcoin) is satisfied, then the data block is valid and the other nodes accept the data block.
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