Ajinomoto has a total of 15903 patents globally, out of which 8125 have been granted. Of these 15903 patents, more than 36% patents are active. Japan is where Ajinomoto has filed the maximum number of patents, followed by the United States of America and Europe. Parallelly, Japan is the main focused R&D center and also Japan is the origin country of Ajinomoto.
Ajinomoto was founded in the year 1909 by Saburosuke Suzuki II and Kikunae Ikeda. The Company produces and sells a variety of food products, including seasonings, edible oils, processed foods, beverages, and dairy products and also develops and manufactures pharmaceuticals, amino acids, and specialty chemicals.
Do read about some of the most popular patents of Ajinomoto which have been covered by us in this article and also you can find Ajinomoto patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Ajinomoto patent portfolio.
How many patents does the Founder and CEO of Ajinomoto have?
The Founder Saburosuke Suzuki has 5 and Kikunae Ikeda has 12 patents and the CEO Taro Fujie have 0 patents.
How many patents does Ajinomoto have?
Ajinomoto has a total of 15903 patents globally. These patents belong to 5837 unique patent families. Out of 15903 patents, 5867 patents are active.
How Many Patents did Ajinomoto 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 | Ajinomoto Applications Filed | Ajinomoto Patents Granted |
| 2023 | 3 | 109 |
| 2022 | 275 | 351 |
| 2021 | 499 | 350 |
| 2020 | 601 | 380 |
| 2019 | 592 | 301 |
| 2018 | 516 | 356 |
| 2017 | 560 | 351 |
| 2016 | 532 | 376 |
| 2015 | 459 | 352 |
| 2014 | 543 | 391 |
| 2013 | 504 | 369 |
| 2012 | 446 | 405 |
| 2011 | 385 | 455 |
How many Ajinomoto patents are Alive/Dead?
Worldwide Patents
How Many Patents did Ajinomoto File in Different Countries?
Countries in which Ajinomoto Filed Patents
| Country | Patents |
| Japan | 4721 |
| United States Of America | 1837 |
| Europe | 1367 |
| China | 1212 |
| Korea (South) | 872 |
| Germany | 766 |
| Taiwan | 611 |
| Brazil | 364 |
| Australia | 307 |
| Indonesia | 244 |
| Austria | 191 |
| India | 189 |
| Canada | 172 |
| Spain | 167 |
| Russia | 159 |
| Viet Nam | 146 |
| Malaysia | 124 |
| Mexico | 109 |
| Denmark | 77 |
| Poland | 73 |
| Philippines | 65 |
| France | 60 |
| Singapore | 51 |
| Peru | 45 |
| Hungary | 37 |
| Hong Kong (S.A.R.) | 35 |
| Slovakia | 27 |
| Portugal | 24 |
| New Zealand | 24 |
| Israel | 18 |
| Italy | 18 |
| South Africa | 15 |
| Argentina | 13 |
| Czech Republic | 13 |
| Norway | 11 |
| Chile | 9 |
| Africa | 8 |
| United Kingdom | 5 |
| Slovenia | 5 |
| Cyprus | 4 |
| Yugoslavia/Serbia and Montenegro | 3 |
| Belarus | 3 |
| Eurasia | 3 |
| Bulgaria | 3 |
| Turkey | 2 |
| Luxembourg | 2 |
| Paraguay | 1 |
| Ecuador | 1 |
| Netherlands | 1 |
| Dominican Republic | 1 |
| Ukraine | 1 |
| Finland | 1 |
| Morocco | 1 |
| Guatemala | 1 |
| Belgium | 1 |
| Tunisia | 1 |
| Croatia | 1 |
| Kenya | 1 |
Where are the Research Centers of Ajinomoto Patents Located?
10 Best Ajinomoto Patents
WO2005010175A1 is the most popular patent in the Ajinomoto portfolio. It has received 457 citations so far from companies like Lucite International Uk Limited, and Metabolix Inc.
Below is the list of 10 most cited patents of Ajinomoto:
| Publication Number | Citation Count |
| WO2005010175A1 | 457 |
| WO2004011653A1 | 293 |
| WO2005073390A2 | 218 |
| WO2002016329A1 | 217 |
| WO2005049808A1 | 212 |
| US6403342B1 | 210 |
| WO2002036602A1 | 208 |
| WO2007055393A1 | 207 |
| WO2005103275A1 | 198 |
| US6960455B2 | 197 |
How many inventions of other companies were rejected due to Ajinomoto patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Ajinomoto invention. They couldn’t because Ajinomoto had protected those before them.
Examiners at the USPTO referred 353 Ajinomoto patents in 1430 rejections (35 USC § 102 or 35 USC § 103 types).
The top citing companies in the Ajinomoto patent portfolio are Samsung, Cj Cheiljedang, and Mitsubishi.
List of the Companies whose Patents were rejected citing Ajinomoto –
| Company | Number of Patent Applications that faced Rejection Citing Ajinomoto Patents | Number of Rejections (102 & 103) |
| Samsung | 20 | 37 |
| Cj Cheiljedang | 16 | 40 |
| Mitsubishi | 11 | 21 |
| LG | 10 | 22 |
| Hitachi | 9 | 24 |
| Ea Pharma | 8 | 34 |
| Shengyi Technology | 8 | 21 |
| Toray Industries | 6 | 19 |
| Genomatica | 6 | 10 |
| Intel | 6 | 17 |
Count of 102 and 103 Type Rejections based on Ajinomoto Patents
Top Ajinomoto Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US9062172B2 | 22 |
| US20070295607A1 | 10 |
| US9018321B2 | 8 |
| US8809442B2 | 8 |
| US6914075B2 | 8 |
| US7244419B2 | 7 |
| US7208062B2 | 7 |
| US7288570B2 | 7 |
| US20060276674A1 | 6 |
| US7494815B2 | 6 |
| US20090136638A1 | 6 |
| US7785858B2 | 6 |
| US8584352B2 | 6 |
| US7179552B2 | 6 |
| US7192747B2 | 5 |
What Percentage of Ajinomoto US Patent Applications were Granted?
Ajinomoto (Excluding its subsidiaries) has filed 2069 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 1373 have been granted leading to a grant rate of 70.77%.
Below are the key stats of Ajinomoto patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Ajinomoto?
| Law Firm | Total Applications | Success Rate |
| Oblon Mcclelland Maier & Neustad | 1298 | 66.73% |
| Cermak Nakajima & Mcgowan | 421 | 70.47% |
| Oblon Fisher Spivak | 189 | 97.29% |
| Foley & Lardner | 37 | 48.28% |
| Nath Goldberg & Meyer | 12 | 66.67% |
| Norman F Oblon | 11 | 63.64% |
| Greenblum & Bernstein | 9 | 77.78% |
| Sughrue Mion Zinn Macpeak & Seas | 4 | 75.00% |
| Warren M Cheek Jr | 4 | 25.00% |
| Cermak Kenealy Vaidya & Nakajima | 3 | 66.67% |