Today, Tianjin North issued a statement on the company’s official media account, saying: a listed company intends to raise funds for “RF module chip R & D and industrialization project” and supplement working capital. If the above project infringes the company’s intellectual property rights, technical secrets and other legitimate rights, it will take protective measures to safeguard its legitimate rights and interests.



On April 2 this year, Jingwei Huikai announced that the case of capital contribution dispute between Tianjin North and Jingwei Huikai shareholders was accepted by the court.



“Plan for issuing a shares to specific objects in 2020” issued in December 2020. According to the announcement of the plan, “the company plans to issue shares to no more than 35 specific investors in a non-public manner, raising no more than 1.3 billion yuan for RF module chip R & D and industrialization projects and replenishing working capital.”.



According to public information, on July 20, 2020, Jingwei Huikai announced that it had reached two equity investment agreements with Tianjin North, with an investment of 4.4 million yuan and 123 million yuan respectively. Jingwei Huikai accumulated 127.4 million yuan to Tianjin North, holding 10.22% of the shares of North microsystems.


According to the official website of Tianjin North, North (Tianjin) microsystems Co., Ltd. is a MEMS filter chip service provider for RF front-end of wireless equipment, and the first FBAR manufacturer in China. Its products mainly use FBAR technology and MEMS manufacturing technology on silicon substrate. It has 330 BAW invention patents at home and abroad, and more than 100 international PCT patents. It has many years of technical precipitation in the field of filter and the advantages of IDM business model.


Jingwei Huikai was founded in 1999 and implemented the shareholding system reform in December 2008. It operates two main businesses of electronic information and electric power. It has mature technology in LCD, transmission equipment and other fields.


The strong cooperation between Tianjin North and Jingwei Huikai became a good story in the development history of 5g RF filter at that time, and even made Jingwei Huikai’s share price rise by 102.49% from the day of announcement to the end of the month.


On March 31 this year, Tianjin North issued a statement saying that it has not reached any merger intention and cooperation agreement with any listed company, and any report on the acquisition of our company is untrue.



With the development of the industry, there are more and more disputes about technology patents, and there are many patent wars. In addition to Tianjin North, domestic RF chip manufacturers such as Beijing Angrui Microelectronics Technology Co., Ltd. (before its name change: Beijing Zhongke hantianxia Electronic Technology Co., Ltd.), Shenzhen Feiyi Technology Co., Ltd. and Guangzhou Huizhi Microelectronics Co., Ltd. have also issued rights protection statements.


In 2018, Enright launched a statement to protect its rights, saying that the two chips “5124” and “5169” produced by Shenzhen Feiyi Technology Co., Ltd. were suspected of infringing the intellectual property rights of hantianxia chips. Subsequently, Feiyi technology responded that the behavior of Enright was suspected of unfair competition, and the company also issued a solemn statement.



In 2019, Shenzhen Feiyu Technology Co., Ltd. issued a statement saying that several models of RF power amplifiers manufactured, promised to be sold and sold by Guangzhou Huizhi Microelectronics Co., Ltd. were suspected of infringing the company’s zl201110025537. X invention patent right and filed a lawsuit with relevant units.


The author believes that whether in the domestic or international, the outbreak of patent war has become an inevitable trend of the development of the industry, but the more important thing is to improve their own core technology and compete with strength, better design and equipment performance.

Statement: This article is comprehensively reported by E-enthusiasts, referring to North Tianjin, etc. Please indicate the above source for reprint.

Leave a Reply

Your email address will not be published. Required fields are marked *