Azbil has a total of 9912 patents globally, out of which 5430 have been granted. Of these 9912 patents, more than 35% patents are active. Japan is where Azbil has filed the maximum number of patents, followed by China and United States of America. Parallelly, Japan seems to be the main focused R&D centre and also is the origin country of Azbil.
Azbil was founded in the year 1906. The Company develops, manufactures and markets total automation equipment used in industrial and commercial buildings. The Company’s products include sensors, switches, recording meters, security systems, air conditioners, pressure transmitters, and flow meters. As of March 2023, the market cap of Azbil is $36.82 Billion.
Do read about some of the most popular patents of Azbil which have been covered by us in this article and also you can find Azbil patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Azbil patent portfolio.
How many patents does the founder and the CEO of Azbil have?
The founder Yamaguchi Takehiko has 5 patents and CEO Yamamoto Kiyohiro has 0 patent.
How many patents does Azbil have?
Azbil has a total of 9912 patents globally. These patents belong to 6758 unique patent families. Out of 9912 patents, 3546 patents are active.
How Many Patents did Azbil File Every Year?
Are you wondering why there is a drop in patent filing for the last two years? It is because a patent application can take up to 18 months to get published. Certainly, it doesn’t suggest a decrease in the patent filing.
| Year of Patents Filing or Grant | Azbil Applications Filed | Azbil Patents Granted |
| 2023 | – | 32 |
| 2022 | 46 | 210 |
| 2021 | 294 | 277 |
| 2020 | 377 | 305 |
| 2019 | 457 | 294 |
| 2018 | 603 | 354 |
| 2017 | 595 | 331 |
| 2016 | 565 | 324 |
| 2015 | 560 | 280 |
| 2014 | 525 | 430 |
| 2013 | 516 | 425 |
| 2012 | 559 | 340 |
How many Azbil patents are Alive/Dead?
How Many Patents did Azbil File in Different Countries?
Countries in which Azbil Filed Patents
| Country | Patents |
| Japan | 6538 |
| China | 1127 |
| United States Of America | 764 |
| Korea (South) | 513 |
| Europe | 235 |
| Taiwan | 160 |
| Germany | 129 |
| Australia | 40 |
| Singapore | 27 |
| Hong Kong (S.A.R.) | 8 |
| India | 5 |
| Austria | 4 |
| Italy | 4 |
| Canada | 4 |
| United Kingdom | 3 |
| Finland | 2 |
| Spain | 2 |
| Norway | 1 |
| France | 1 |
| Indonesia | 1 |
| Malaysia | 1 |
Where are Research Centres of Azbil Patents Located?
10 Best Azbil Patents
US20020055977A1 is the most popular patent in the Azbil portfolio. It has received 165 citations so far from companies like Hitachi, Ricoh Company and Samsung.
Below is the list of 10 most cited patents of Azbil:
| Publication Number | Citation Count |
| US20020055977A1 | 165 |
| JP2003141659A | 156 |
| JP2003085258A | 131 |
| US6650213B1 | 122 |
| US20020017327A1 | 115 |
| JP2003047839A | 108 |
| US6896407B2 | 94 |
| US6694371B1 | 92 |
| US7053783B2 | 85 |
| JP2003047840A | 74 |
How many inventions of other companies were rejected due to Azbil patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Azbil invention. They couldn’t because Azbil had protected those before them.
Examiners at the USPTO referred 246 Azbil patents in 837 rejections (35 USC § 102 or 35 USC § 103 types).
The top citing companies in the Azbil patent portfolio are Honeywell, Mitsubishi Electric and Omron.
List of the Companies whose Patents were rejected citing Azbil –
| Company | Number of Patent Applications that faced Rejection Citing Azbil Patents | Number of Rejections (102 & 103) |
| Honeywell | 16 | 35 |
| Mitsubishi Electric | 10 | 14 |
| Omron | 6 | 28 |
| Samsung | 6 | 22 |
| Murata Manufacturing | 5 | 10 |
| Fisher Controls International | 5 | 12 |
| Panasonic | 4 | 11 |
| Endress+Hauser Flowtec | 4 | 5 |
| Canon | 4 | 7 |
| Yokogawa Electric | 4 | 8 |
Count of 102 and 103 Type Rejections based on Azbil Patents
Top Azbil Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US7430046B2 | 9 |
| US20020017327A1 | 8 |
| US7888825B2 | 8 |
| US7752909B2 | 7 |
| US6981410B2 | 7 |
| US20100139389A1 | 7 |
| US6946626B2 | 7 |
| US6880806B2 | 6 |
| US7738099B2 | 6 |
| US20110036995A1 | 6 |
| US6586943B1 | 6 |
| US7386731B2 | 5 |
| US8155395B2 | 5 |
| US7567954B2 | 5 |
| US7367053B2 | 5 |
What Percentage of Azbil US Patent Applications were Granted?
Azbil (Excluding its subsidiaries) has filed 570 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 368 have been granted leading to a grant rate of 66.31%.
Below are the key stats of Azbil patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Azbil?
| Law Firm | Total Applications | Success Rate |
| Oblon Mcclelland Maier & Neustadt | 328 | 86.69% |
| Troutman Pepper Hamilton Sanders | 119 | 11.76% |
| Amster Rothstein & Ebenstein | 109 | 66.00% |
| Mcdermott Will & Emery | 4 | 0.00% |
| Imaizumi Ip Law | 2 | 100.00% |
| Nath Goldberg & Meyer | 2 | 100.00% |
| Quarles & Brady | 2 | 0.00% |
| Faegre Drinker Biddle & Reath | 1 | 100.00% |
| Foley & Lardner | 1 | 100.00% |
| Staas & Halsey | 1 | 100.00% |