The full text of the statistical caliber description: 1) search keywords: reverse osmosis membrane and its similar or related keywords; 2) search scope: title, abstract and right description; 3) screening conditions: simple homologous applications to the weight, the legal status of the substantive examination, authorization, PCT international publication, PCT entry into the designated country (refers to the periodical), the simple homologous applications to the weight is in accordance with the acceptance of the Bureau of statistics. 4) Deadline for statistics: October 9, 2021. 5) If there is any special statistical caliber, it will be noted at the bottom of the chart.
1, the global reverse osmosis membrane industry patent application overview
(1) technology cycle: in the growth period
2010-2019, the global reverse osmosis membrane industry, the number of patent applicants and the number of patents filed showed growth. Although the number of patent applicants and patent applications in the global reverse osmosis membrane industry declined in 2020, the number of these two indicators is still high. Overall, the global reverse osmosis membrane technology is in the growth period.
Note: The stage of the life cycle of the current technology field is analyzed by the number of patent applications and the number of patent applicants over time.
(2) Patent Applications and Patent Granted: the number of patents and the number of patents granted will decline in 2020
The number of patent applications in the global reverse osmosis membrane industry from 2010-2019 shows a year-on-year growth, and the number of patent applications in the global reverse osmosis membrane industry in 2020 declines to 5,200.
In terms of patent authorization, the number of patents authorized in the global reverse osmosis membrane industry in 2010-2019 showed year-on-year growth, and a downward trend began to appear in 2020, and the number of patents authorized in the global reverse osmosis membrane industry in 2020 was 2942, and the proportion of authorization was only 56.58%.
In January-October 2021, the number of patent applications and the number of patents granted in the global reverse osmosis membrane industry were 939 and 96 respectively, and the proportion of authorization was 10.22%. As of October 9, 2021, the number of patent applications in the global reverse osmosis membrane industry was 35.4 thousand.
Note: ①The patent grant rate indicates the efficiency of the application and the success rate of the submitted application that was eventually granted.
②Statistical note: If a 2012 patent application is granted in 2014, the granted patent will be shown in the 2012 patent application.
(3) Patent legal status: "valid" is the main
Currently, most of the global reverse osmosis membrane patents are in the "pending" and "valid" status, both reverse osmosis membrane. Valid" status, the two reverse osmosis membrane patents totaled 9,363 and 25,700 respectively, accounting for 26% and 73% of the total global reverse osmosis membrane patents. 298 reverse osmosis membrane patents within the PCT period, accounting for about 1% of the total number of patents of the global reverse osmosis membrane.
(4) Patent market value: the total value of more than 3.6 billion U.S. dollars, 30,000 U.S. dollars below the number of patents
At present, the global reverse osmosis membrane industry patents worth a total of 3.681 billion U.S. dollars. Among them, the largest number of reverse osmosis membrane patent applications below $30,000, 22,300; followed by $30,000 - $300,000 reverse osmosis membrane patents, a total of 8,114 patent applications. 3 million U.S. dollars of reverse osmosis membrane patents the smallest number of applications, 222.
Statistical caliber: according to each group of simple homologous a patent representative of the de-emphasis rule for statistics, and select the homologous patent value of any one of the patents to display.
2, the global reverse osmosis membrane industry patent technology type
(1) Patent type: invention patents accounted for 65.13%
In terms of patent type, there are 23,000 reverse osmosis membrane patents for invention patents, accounting for 65.13% of the world reverse osmosis membrane. The largest number of patent applications, 65.13%. The number of utility model reverse osmosis membrane patents and design-type reverse osmosis membrane patents are 12,300 and 44 respectively, accounting for 34.75% and 0.12% of the global reverse osmosis membrane patent applications.
(2) the composition of the top ten technologies: the first largest technology accounted for more than 25%
From the point of view of the top ten technologies with the largest number of patents, the current "C02F9 multi-stage treatment of water, wastewater or sewage [3]" has the largest number of patent applications, for 12,100, accounting for 25.06% of the top ten technologies. This was followed by "C02F1 Treatment of Water, Wastewater or Sewage C02F3/00 to C02F9/00 Priority) [3] [2006.01]", with 11,700 patent applications, accounting for 24.26% of the applications for the top ten technologies.
(3) Technology Focus: Top Ten Hot
The top ten hot technology words for reverse osmosis membranes worldwide include membrane element, inlet pipe, combination, solar energy, anti-pollution, filtration device, MBR, water purification equipment, water treatment equipment, and membrane treatment. Further broken down, the top reverse osmosis membrane technology words include treated water, pretreatment, purification device, surfactant, and so on. The details are as follows:
Note: The keywords in the inner layer of the Asahi chart are extracted from the last 5000 patents. The keywords in the outer layer are further decomposition of the inner layer keywords.
(4) Top Patents Cited: the first largest patent was cited more than 200 times
Systems and methods for separating and concentrating regenerative cells from tissue (Patent No. US20050084961A1) is the most cited reverse osmosis membrane patent, cited more than 200 times. The next most cited patent is Methods of hydrotreating a liquid stream to remove clogging compounds (Patent No. US7591310B2), with 174 citations. Other cited times of the top ten patents are shown below:
3, the global reverse osmosis membrane industry patent competition
(1) distribution of the country of origin of the technology: China accounted for the highest proportion
At present, the world's reverse osmosis membrane the first major country of origin of the technology is China, China Reverse osmosis membrane patent applications accounted for 53.37% of the total global reverse osmosis membrane patent applications; followed by Japan, Japan reverse osmosis membrane patent applications accounted for 23.44% of the total global reverse osmosis membrane patent applications. Although the United States and South Korea ranked third and fourth, but with the first ranking of China's patent application volume gap is large.
Statistical Note: ①Statistics are performed according to the de-emphasis rule of displaying one disclosure text per application and selecting the latest text on the disclosure date for calculation. ② Statistics according to the patent priority countries, if there is no priority, then calculated in accordance with the receiving office country. If there is more than one priority country, then the earliest priority country.
(2) Regional Patent Application Distribution in China: Guangdong has the most
China, Guangdong is the province with the largest number of reverse osmosis membrane patents, with a cumulative total of up to 3,874 reverse osmosis membrane patents applied for. Jiangsu, Zhejiang, Beijing, Shandong and Shanghai have all applied for more than 1,000 reverse osmosis membrane patents. The top ten provinces in China in terms of the number of reverse osmosis membrane patents currently applied for by provinces (municipalities and autonomous regions) also include Tianjin, Fujian, Sichuan and Hubei.
Statistical caliber note: according to the address submitted by the patent applicant statistics.
(3) Patent applicant competition: Toray Co., Ltd. won the crown
The global reverse osmosis membrane industry patent applications Top 10 applicants were Toray Co. Shunde Midea Water Dispenser Manufacturing Co., Ltd, China Petroleum & Chemical Corporation, Miura Industries, Ltd, Foshan Yunmi Electric Appliance Technology Co.
Of these, Toray Co. had the highest number of reverse osmosis membrane patent applications at 683. Kurita Industries, Ltd. ranked second, with more than 500 reverse osmosis membrane patent applications as well.
Note: The number of joint applications has not been excluded.
-- The above data refer to the China Reverse Osmosis Membrane Industry Market Outlook and Investment Strategy Planning Analysis Report