Sumitomo has a total of 2696 patents globally, out of which 1288 have been granted. Of these 2696 patents, more than 37% patents are active. Japan is where Sumitomo has filed the maximum number of patents, followed by United States of America and Europe. Parallelly, Japan seems to be the main focused R&D centre and also is the origin country of Sumitomo.
Sumitomo was founded in the year 1919. The Company is a general trading company. The Company imports and exports a wide variety of goods such as metals, machinery, chemicals, fuel, food products and textiles. Company also operates real estate, construction, shipping, insurance, finance and, leasing businesses. As of June 2023, the market cap of Sumitomo is $25.28 Billion.
Do read about some of the most popular patents of Sumitomo which have been covered by us in this article and also you can find Sumitomo patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Sumitomo patent portfolio.
How many patents does the founder and the CEO of Sumitomo have?
The founder Shun’ya Tōji has 0 patent and CEO Masayuki Hyodo has 11 patents.
How many patents does Sumitomo have?
Sumitomo has a total of 2696 patents globally. These patents belong to 2609 unique patent families. Out of 2696 patents, 1012 patents are active.
How Many Patents did Sumitomo 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 | Sumitomo Applications Filed | Sumitomo Patents Granted |
| 2023 | – | 60 |
| 2022 | 34 | 118 |
| 2021 | 81 | 82 |
| 2020 | 237 | 66 |
| 2019 | 172 | 83 |
| 2018 | 184 | 65 |
| 2017 | 158 | 76 |
| 2016 | 142 | 60 |
| 2015 | 156 | 33 |
| 2014 | 134 | 48 |
| 2013 | 102 | 55 |
| 2012 | 78 | 45 |
How many Sumitomo patents are Alive/Dead?
How Many Patents did Sumitomo File in Different Countries?
Countries in which Sumitomo Filed Patents
| Country | Patents |
| Japan | 1313 |
| United States Of America | 238 |
| Europe | 172 |
| China | 159 |
| Korea (South) | 144 |
| Taiwan | 124 |
| Germany | 94 |
| Australia | 26 |
| Brazil | 21 |
| Canada | 17 |
| Mexico | 10 |
| Austria | 10 |
| India | 7 |
| Italy | 7 |
| Hungary | 5 |
| Eurasia | 4 |
| Peru | 4 |
| Hong Kong (S.A.R.) | 4 |
| Romania | 3 |
| Norway | 3 |
| Spain | 2 |
| Argentina | 2 |
| Portugal | 2 |
| Israel | 2 |
| Chile | 2 |
| Colombia | 2 |
| Indonesia | 2 |
| Philippines | 2 |
| Singapore | 1 |
| Viet Nam | 1 |
| Ukraine | 1 |
| Finland | 1 |
| New Zealand | 1 |
| Bulgaria | 1 |
| Ecuador | 1 |
| Poland | 1 |
| Georgia | 1 |
| Bolivia | 1 |
| Denmark | 1 |
| Russia | 1 |
Where are Research Centres of Sumitomo Patents Located?
10 Best Sumitomo Patents
JP4948007B2 is the most popular patent in the Sumitomo portfolio. It has received 107 citations so far from companies like Toshiba Mitsubishi Electric Industrial Systems.
Below is the list of 10 most cited patents of Sumitomo:
| Publication Number | Citation Count |
| JP4948007B2 | 107 |
| WO2014147977A1 | 56 |
| JP2010109799A1 | 56 |
| JP2006004112A1 | 53 |
| JP7258760B2 | 46 |
| JP5185871B2 | 45 |
| JP2012251066A | 36 |
| JP2013090498A | 34 |
| US7707924B2 | 32 |
| CN203783891U | 31 |
How many inventions of other companies were rejected due to Sumitomo patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Sumitomo invention. They couldn’t because Sumitomo had protected those before them.
Examiners at the USPTO referred 96 Sumitomo patents in 495 rejections (35 USC § 102 or 35 USC § 103 types).
The top citing companies in the Sumitomo patent portfolio are IBM, Utc Aerospace Systems and Microsoft.
List of the Companies whose Patents were rejected citing Sumitomo –
| Company | Number of Patent Applications that faced Rejection Citing Sumitomo Patents | Number of Rejections (102 & 103) |
| IBM | 7 | 12 |
| Utc Aerospace Systems | 6 | 15 |
| Microsoft | 5 | 7 |
| Samsung | 3 | 6 |
| Imerys | 3 | 12 |
| Atlantic Inertial Systems | 3 | 3 |
| Nec Corp | 3 | 5 |
| 3 | 4 | |
| Spts Technologies | 3 | 4 |
| Honda | 3 | 5 |
Count of 102 and 103 Type Rejections based on Sumitomo Patents
Top Sumitomo Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US6524489B1 | 8 |
| US7502698B2 | 6 |
| US8813832B2 | 6 |
| US20090275202A1 | 6 |
| US6766305B1 | 6 |
| US9175557B2 | 5 |
| US20110180242A1 | 5 |
| US20070134496A1 | 5 |
| US20170328644A1 | 5 |
| US20070057415A1 | 4 |
| US7303600B2 | 4 |
| US7281017B2 | 4 |
| US20050164200A1 | 4 |
| US7516147B2 | 4 |
| US6760905B1 | 4 |