Epson has a total of 63723 patents globally, out of which 21723 have been granted. Of these 63723 patents, more than 66% patents are active. Japan is where Epson has filed the maximum number of patents, followed by the United States of America and China. Parallelly, Japan seems to be the main focused R&D centre and also is the origin country of Epson.
Epson was founded in the year 1942. Epson produces electronic gadgets, precision goods, and communications equipment. Printers, scanners, Liquid Crystal Projectors, semiconductors, quartz devices, and timepieces are among the company’s offerings. As of May 2023, Epson has a market cap of $5.075 Billion.
Do read about some of the most popular patents of Epson which have been covered by us in this article and also you can find Epson patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Epson patent portfolio.
How many patents does the founder and the CEO of Epson have?
The founder Hisao Yamazaki have 0 patents and CEO Yasunori Ogawa have 55 patents.
How many patents does Epson have?
Epson has a total of 63723 patents globally. These patents belong to 33551 unique patent families. Out of 63723 patents, 42584 patents are active.
How Many Patents did Epson 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 | Epson Applications Filed | Epson Patents Granted |
| 2023 | 19 | 533 |
| 2022 | 2248 | 1661 |
| 2021 | 4159 | 2490 |
| 2020 | 4846 | 2194 |
| 2019 | 5118 | 641 |
| 2018 | 4848 | 2383 |
| 2017 | 4935 | 780 |
| 2016 | 6109 | 3509 |
| 2015 | 6744 | 1138 |
| 2014 | 6787 | 5189 |
| 2013 | 5523 | 1205 |
How many Epson patents are Alive/Dead?
How Many Patents did Epson File in Different Countries?
Countries in which Epson Filed Patents
| Country | Patent |
| Japan | 31176 |
| United States Of America | 16251 |
| China | 9641 |
| Europe | 2505 |
| Germany | 1275 |
| Taiwan | 893 |
| Korea (South) | 476 |
| India | 136 |
| Russia | 120 |
| Brazil | 115 |
| United Kingdom | 73 |
| Italy | 73 |
| Spain | 53 |
| Viet Nam | 37 |
| Philippines | 36 |
| Austria | 35 |
| Australia | 26 |
| Hong Kong (S.A.R.) | 24 |
| Singapore | 23 |
| Indonesia | 22 |
| Canada | 21 |
| Mexico | 20 |
| Malaysia | 17 |
| Poland | 14 |
| Turkey | 7 |
| Argentina | 7 |
| Portugal | 6 |
| Chile | 5 |
| Ukraine | 3 |
| South Africa | 3 |
| New Zealand | 3 |
| Denmark | 3 |
| Macao | 3 |
| Norway | 2 |
| Peru | 2 |
| Colombia | 2 |
| France | 2 |
| Slovakia | 2 |
| Egypt | 2 |
| Israel | 2 |
| Cyprus | 1 |
| Croatia | 1 |
| United Arab Emirates | 1 |
Where are Research Centres of Epson Patents Located?
10 Best Epson Patents
US8711487B2 is the most popular patent in the Epson portfolio. It has received 237 citations so far from companies like Microsoft, Osterhout Group and Mentor Acquisition One.
Below is the list of 10 most cited patents of Epson:
| Publication Number | Citation Count |
| US8711487B2 | 237 |
| US8576491B2 | 237 |
| US8564883B2 | 235 |
| US8662686B2 | 227 |
| US8587869B2 | 224 |
| US8837880B2 | 219 |
| US8803867B2 | 215 |
| US8698157B2 | 215 |
| US20140168266A1 | 193 |
| USD707249S1 | 190 |
How many inventions of other companies were rejected due to Epson patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Epson invention. They couldn’t because Epson had protected those before them.
Examiners at the USPTO referred 1453 Epson patents in 9614 rejections (35 USC § 102 or 35 USC § 103 types).
The top citing companies in the Epson patent portfolio are Canon, Samsung and Ricoh.
List of the Companies whose Patents were rejected citing Epson –
| Company | Number of Patent Applications that faced Rejection Citing Epson Patents | Number of Rejections (102 & 103) |
| Canon | 402 | 714 |
| Samsung | 260 | 536 |
| Ricoh | 200 | 383 |
| Brother Kogyo KK | 193 | 323 |
| Sony | 155 | 346 |
| HP | 138 | 253 |
| Fujifilm | 123 | 190 |
| Boe Technology Group | 90 | 150 |
| Panasonic | 71 | 138 |
| Casio | 69 | 140 |
Count of 102 and 103 Type Rejections based on Epson Patents
Top Epson Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US8698131B2 | 21 |
| US9217867B2 | 20 |
| US8591039B2 | 20 |
| US20160012643A1 | 18 |
| US8614020B2 | 14 |
| US20160284129A1 | 14 |
| US20160033770A1 | 14 |
| US20140079314A1 | 14 |
| US20140043408A1 | 13 |
| US8791877B2 | 12 |
| US9436987B2 | 11 |
| US8803364B2 | 11 |
| US8565522B2 | 11 |
| US8628199B2 | 11 |
| US20140168266A1 | 11 |
What Percentage of Epson US Patent Applications were Granted?
Epson (Excluding its subsidiaries) has filed 35155 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 26254 have been granted leading to a grant rate of 79.96%.
Below are the key stats of Epson patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Epson?
| Law Firm | Total Applications | Success Rate |
| Epson | 36093 | 87.59% |
| 138 East Lcd Advancements | 1101 | 100.00% |
| Boe Technology | 846 | 100.00% |
| Columbia Peak Ventures | 337 | 100.00% |
| E Ink Corp | 298 | 97.31% |
| Infocus Corp | 263 | 92.40% |
| Rpx Corp | 263 | 92.40% |
| Epson Toyocom Corp | 205 | 93.66% |
| Ikuma Ken | 202 | 70.56% |
| Takeda, Takashi | 185 | 89.82% |
What are Epson key innovation segments?
What Technologies are Covered by Epson?
The chart below distributes patents filed by Epson