Isuzu has a total of 19609 patents globally, out of which 10101 have been granted. Of these 19609 patents, more than 34% patents are active. Japan is where Isuzu 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 Isuzu.
Isuzu was founded in the year 1916 by Yoshisuke Aikawa. The Company manufactures and markets in trucks and automobile parts. The Company’s products include pickup, light, and heavy duty trucks, as well as medium and large-sized buses, recreational vehicles, and sport utility vehicles. As of December 2022, the market cap of Isuzu is $9.69 Billion.
Want to know which automotive companies are leading in innovation? Check out our list of the top automotive companies ranked by their patent count here
Do read about some of the most popular patents of Isuzu which have been covered by us in this article and also you can find Isuzu patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Isuzu patent portfolio.
How many patents does the founder and the CEO of Isuzu have?
The founder, Yoshisuke Aikawa, has 0 patent and CEO, Masanori Katayama, has 19 patents.
How many patents does Isuzu have?
Isuzu has a total of 19609 patents globally. These patents belong to 13826 unique patent families. Out of 19609 patents, 6807 patents are active.
How Many Patents did Isuzu 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 | Isuzu Applications Filed | Isuzu Patents Granted |
| 2022 | 158 | 526 |
| 2021 | 549 | 654 |
| 2020 | 1074 | 703 |
| 2019 | 1370 | 578 |
| 2018 | 1246 | 431 |
| 2017 | 1402 | 480 |
| 2016 | 1380 | 475 |
| 2015 | 1201 | 463 |
| 2014 | 604 | 510 |
| 2013 | 621 | 353 |
| 2012 | 541 | 421 |
| 2011 | 842 | 523 |
How many Isuzu patents are Alive/Dead?
How Many Patents did Isuzu File in Different Countries?
Countries in which Isuzu Filed Patents
| Country | Patents |
| Japan | 12567 |
| China | 1742 |
| United States Of America | 916 |
| Germany | 802 |
| Europe | 791 |
| Indonesia | 162 |
| Australia | 159 |
| Philippines | 111 |
| Viet Nam | 110 |
| Malaysia | 100 |
| Taiwan | 45 |
| Colombia | 45 |
| South Africa | 42 |
| India | 40 |
| Spain | 36 |
| Brazil | 31 |
| Austria | 27 |
| Korea (South) | 20 |
| Saudi Arabia | 20 |
| Hong Kong (S.A.R.) | 14 |
| Singapore | 11 |
| New Zealand | 9 |
| United Kingdom | 8 |
| Chile | 6 |
| Canada | 4 |
| Ecuador | 4 |
| Europe | 3 |
| Turkey | 3 |
| Portugal | 3 |
| Italy | 3 |
| Finland | 2 |
| Denmark | 1 |
Where are Research Centres of Isuzu Patents Located?
10 Best Isuzu Patents
US6622480B2 is the most popular patent in the Isuzu portfolio. It has received 864 citations so far from companies like Nissan, Denso and Volvo.
Below is the list of 10 most cited patents of Isuzu:
| Publication Number | Citation Count |
| US6622480B2 | 864 |
| JP2002238105A | 226 |
| JP2002371831A | 193 |
| JP2005291030A | 175 |
| US6823660B2 | 146 |
| US6349702B1 | 124 |
| US6860082B1 | 123 |
| JP2006342832A | 117 |
| US7043914B2 | 103 |
| USD570742S1 | 100 |
How many inventions of other companies were rejected due to Isuzu patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Isuzu invention. They couldn’t because Isuzu had protected those before them.
Examiners at the USPTO used 331 Isuzu patents in 1289 rejections (35 USC § 102 or 35 USC § 103 types).
The top citing companies in the Isuzu patent portfolio are Gm Global Technology, Toyota and Ford.
List of the Companies who’s Patents were rejected citing Isuzu –
| Company | Number of Patent Applications that faced Rejection Citing Isuzu Patents | Number of Rejections (102 & 103) |
| Gm Global Technology | 63 | 115 |
| Toyota | 50 | 78 |
| Ford | 41 | 76 |
| Hyundai | 29 | 56 |
| Caterpillar | 22 | 34 |
| Kia | 15 | 26 |
| Denso | 15 | 48 |
| Honda | 15 | 23 |
| Robert Bosch | 14 | 21 |
| Mazda | 11 | 16 |
Count of 102 and 103 Type Rejections based on Isuzu Patents
Top Isuzu Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US7043914B2 | 13 |
| US6918251B2 | 12 |
| US7784273B2 | 11 |
| US6622480B2 | 10 |
| US6392324B1 | 9 |
| US8567193B2 | 8 |
| US6860082B1 | 8 |
| US8899024B2 | 8 |
| US8033108B2 | 7 |
| US7500356B2 | 7 |
| US6360702B1 | 7 |
| US7104050B2 | 7 |
| US7908843B2 | 6 |
| US6823660B2 | 6 |
| US6802180B2 | 6 |
What Percentage of Isuzu US Patent Applications were Granted?
Isuzu (Excluding its subsidiaries) has filed 744 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 589 have been granted leading to a grant rate of 86.24%.
Below are the key stats of Isuzu patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Isuzu?
| Law Firm | Total Applications | Success Rate |
| Staas & Halsey | 216 | 84.26% |
| Procopio Cory Hargreaves & Savitch | 197 | 88.75% |
| Mccormick Paulding & Huber | 56 | 89.29% |
| Mcginn Intellectual Property Law Group | 45 | 91.11% |
| Sughrue Mion | 39 | 92.31% |
| Brundidge & Stanger P C | 30 | 61.90% |
| Prtsi | 25 | 84.62% |
| Mccormick Paulding & Huber | 24 | 95.83% |
| Mccormick Paulding & Huber | 23 | 82.61% |
| Antonelli Terry Stout & Kraus | 20 | 85.00% |