What is the development trend of reverse osmosis membrane?

Description of full-text statistical caliber: 1) Search keywords: reverse osmosis membrane and similar or related keywords; 2) Search scope: title, abstract and claims; 3) Screening conditions: the simple consanguinity application should be duplicated, the legal status should be substantive examination, authorization, PCT international publication, PCT entering the designated country (designated period), and the simple consanguinity application should be duplicated according to the statistics of the acceptance bureau. 4) Statistical deadline: 202111October 9. 5) If there is any special statistical caliber, it will be indicated at the bottom of the chart.

1. Overview of patent application for global reverse osmosis membrane industry

(1) Technology cycle: in the growth stage.

From 20 10 to 20 19, the number of patent applicants and patent applications in the global reverse osmosis membrane industry showed an increasing trend. Although the number of patent applicants and the number of patent applications in the global reverse osmosis membrane industry will decrease in 2020, the number of these two indicators is still very large. Generally speaking, the global reverse osmosis membrane technology is in the growth stage.

Note: The life cycle stage of the current technology field is analyzed by the change of the number of patent applications and the number of patent applicants with time.

(2) The number of patent applications and authorizations: The number of patent applications and authorizations will decrease in 2020.

From 20 10 to 20 19, the number of patent applications in the global reverse osmosis membrane industry showed an increasing trend year by year. In 2020, the number of patent applications in the global reverse osmosis membrane industry will be reduced to 5,200.

In terms of patent authorization, the global reverse osmosis membrane industry patent authorization increased year by year from 20 10 to 20 19, and began to decline in 2020. In 2020, the number of patents granted in the global reverse osmosis membrane industry was 2,942, and the proportion of patents granted was only 56.58%.

20211-1October, the number of patent applications and authorizations in the global reverse osmosis membrane industry were 939 and 96 respectively, accounting for 10.22%. As of 202 1, 101October 9, the number of patent applications in the global reverse osmosis membrane industry was 35,400.

Note: ① Patent authorization rate indicates the efficiency of application and the success rate of final authorization application.

② Statistics: If the patent application of 20 12 is authorized on 20 14, the authorized patent will be displayed in the patent application of 20 12.

(3) the legal status of patent: mainly "effective"

At present, most of the global reverse osmosis membrane patents are in the status of "pending approval" and "valid", and the total number of reverse osmosis membrane patents is 9,363 and 25,700 respectively, accounting for 26% and 73% of the global reverse osmosis membrane patents. The number of reverse osmosis membrane patents in the PCT formulation period is 298, accounting for about 1% of the total reverse osmosis membrane patents in the world.

(4) Market value of patents: the total value exceeds $3.6 billion, and there are many patents below $30,000.

At present, the total patent value of global reverse osmosis membrane industry is 368 1 100 million USD. Among them, the number of patent applications for reverse osmosis membranes below $30,000 is the largest, with 22,300 pieces; Followed by $300,000-$300,000 reverse osmosis membrane patents, with a total of 865,438+065,438+04 patent applications. The number of patent applications for reverse osmosis membranes with US$ 3 million is the least, with 222.

Statistical caliber: make statistics according to the duplication elimination rule of a patent representative in each simple family, and select any patent with patent value in the same family to display.

2. Patent technology types of global reverse osmosis membrane industry

(1) patent type: invention patents account for 65. 13%.

In terms of patent types, there are currently 23,000 reverse osmosis membrane patents in the world as invention patents, accounting for the largest number of reverse osmosis membrane patent applications in the world, accounting for 65. 13%. The number of patents for utility model reverse osmosis membrane and design reverse osmosis membrane is 12300 and 44 respectively, accounting for 34.75% and 0. 12% of the global reverse osmosis membrane patent applications respectively.

(2) Top Ten Technologies: The first technology accounts for more than 25%.

Judging from the top ten technologies with the largest number of patents, at present, the number of patent applications for "C02F9 multi-stage treatment of water, wastewater or sewage [3]" is the largest, which is 1.2 1.0000, accounting for 25.06% of the top ten technology applications. Secondly, "C02F 1 water, wastewater or sewage treatment takes precedence over C02F3/00 to C02f 9/00" [3] [2006.01], and the number of patent applications is1.7000, accounting for 24.5% of the top ten technology applications.

(3) Technical Focus: Ten Hot Spots

The top ten technical terms of reverse osmosis membrane in the world include membrane element, water inlet pipe, composition, solar energy, pollution prevention, filtration device, MBR, water purification equipment, water treatment equipment and membrane treatment. Further subdivided, the hot words of reverse osmosis membrane technology include water treatment, pretreatment, purification device, surfactant and so on. Details are as follows:

Note: The keywords in the inner layer of sunrise map are extracted from the recent 5,000 patents. The keywords in the outer layer are the further decomposition of the keywords in the inner layer.

(4) Number of cited top-level patents: The first patent has been cited for more than 200 times.

The system and method for separating and concentrating regenerated cells from tissues (patent number: US2005008496 1A 1) is the most cited patent of reverse osmosis membrane, with more than 200 citations. Secondly, the method of hydrotreating the liquid stream to remove plugging compounds (patent number: US759 13 10B2) was cited 174 times. The other ten patents cited are as follows:

3. Patent competition in the global reverse osmosis membrane industry

(1) Distribution of technology source countries: China accounts for the highest proportion.

At present, China is the largest technical source country of reverse osmosis membrane in the world, and the number of reverse osmosis membrane patent applications in China accounts for 53.37% of the total number of reverse osmosis membrane patent applications in the world. Followed by Japan, the number of reverse osmosis membrane patent applications in Japan accounts for 23.44% of the total number of reverse osmosis membrane patent applications in the world. Although the United States and South Korea rank third and fourth, they are far behind China, which ranks first.

Statistical description: ① Make statistics according to the rule that each application displays a public text, and select the latest text of the public date for calculation. (2) According to the statistics of patent priority country, if there is no priority, it shall be calculated according to the country of acceptance. If there are more than one priority country, it shall be calculated according to the earliest priority country.

(2) Distribution of patent applications in China: Guangdong has the largest number.

In China, Guangdong is the province with the largest number of reverse osmosis membrane patent applications in China, with a total of 3,874 reverse osmosis membrane patent applications. At present, Jiangsu, Zhejiang, Beijing, Shandong and Shanghai all apply for more than 1000 reverse osmosis membrane patents. At present, the top ten domestic reverse osmosis membrane patent applications are Tianjin, Fujian, Sichuan and Hubei.

Description of statistical caliber: According to the address submitted by the patent applicant.

(3) Competition of patent applicants: Toray Company won the title.

Global patent applications for reverse osmosis membrane industry TOP 10. The applicants are Toray Co., Ltd., Kurita Industrial Co., Ltd., Zhuhai Gree Electric Co., Ltd., Midea Group Co., Ltd., Xiao Ye Co., Ltd., Foshan Shunde Midea Water Dispenser Manufacturing Co., Ltd., China Petrochemical Co., Ltd., San Pu Industrial Co., Ltd., Foshan Mi Yun Electric Technology Co., Ltd. and Chen Xiaoping.

Among them, Toray Co., Ltd. has the largest number of applications for reverse osmosis membrane patents, with 683 items. Kurita Industrial Company ranks second, and the number of patent applications for reverse osmosis membranes also exceeds 500.

Note: The number of joint applications is not excluded.

—— The above data refer to the Analysis Report on Market Foresight and Investment Strategic Planning of Reverse Osmosis Membrane Industry in China by Forward-looking Industry Research Institute.