Tower Semiconductor has a total of 189 patents globally, out of which 148 have been granted. Of these 189 patents, more than 79% patents are active. The United States of America is where Tower Semiconductor has filed the maximum number of patents, followed by Japan and Europe. Parallelly, The United States of America seems to be the main focused R&D center, and also USA is the origin country of Tower Semiconductor.
Tower Semiconductor was founded in the year 1993. Tower Semiconductor is an independent foundry providing semiconductor integrated circuits manufacturing & related design services and manufactures wafers using its technologies & production capability and the proprietary designs of its customers.
Do read about some of the most popular patents of Tower Semiconductor which have been covered by us in this article and also you can find Tower Semiconductor patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Tower Semiconductor patent portfolio.
How many patents does the CEO of Tower Semiconductor have?
The CEO Russell C Ellwanger have 32 patents.
How many patents does Tower Semiconductor have?
Tower Semiconductor has a total of 189 patents globally. These patents belong to 135 unique patent families. Out of 189 patents, 151 patents are active.
How Many Patents did Tower Semiconductor 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 | Tower Semiconductor Applications Filed | Tower Semiconductor Patents Granted |
| 2023 | – | 4 |
| 2022 | 1 | 11 |
| 2021 | 12 | 14 |
| 2020 | 13 | 22 |
| 2019 | 11 | 5 |
| 2018 | 18 | 11 |
| 2017 | 20 | 10 |
| 2016 | 13 | 13 |
| 2015 | 10 | 7 |
| 2014 | 8 | 4 |
| 2013 | 16 | 9 |
| 2012 | 6 | 3 |
| 2011 | 5 | 3 |
How many Tower Semiconductor patents are Alive/Dead?
Worldwide Patents
How Many Patents did Tower Semiconductor File in Different Countries?
Countries in which Tower Semiconductor Filed Patents
| Country | Patents |
| United States Of America | 152 |
| Japan | 19 |
| Europe | 6 |
| Germany | 4 |
| China | 2 |
Where are the Research Centers of Tower Semiconductor Patents Located?
10 Best Tower Semiconductor Patents
US6396741B1 is the most popular patent in the Tower Semiconductor portfolio. It has received 184 citations so far from companies like Macronix International Co, Saifun Semiconductor, and Spansion Israel Ltd.
Below is the list of 10 most cited patents of Tower Semiconductor:
| Publication Number | Citation Count |
| US6396741B1 | 184 |
| US8378407B2 | 146 |
| US7609093B2 | 76 |
| US9917104B1 | 67 |
| US7358583B2 | 66 |
| US6479963B1 | 61 |
| US7227234B2 | 57 |
| US7773138B2 | 53 |
| US20130293986A1 | 50 |
| US20030134476A1 | 50 |
How many inventions of other companies were rejected due to Tower Semiconductor patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Tower Semiconductor invention. They couldn’t because Tower Semiconductor had protected those before them.
Examiners at the USPTO referred 78 Tower Semiconductor patents in 513 rejections (35 USC § 102 or 35 USC § 103 types).
The top citing companies in the Tower Semiconductor patent portfolio are TSMC, Texas Instruments, and Samsung.
List of the Companies whose Patents were rejected citing Tower Semiconductor –
| Company | Number of Patent Applications that faced Rejection Citing Tower Semiconductor Patents | Number of Rejections (102 & 103) |
| Tsmc | 25 | 74 |
| Texas Instruments | 11 | 25 |
| Samsung Electronics | 10 | 17 |
| Wilmington Trust | 10 | 14 |
| Sk Hynix | 7 | 18 |
| Sony Corporation | 11 | 19 |
| Renesas Electronics | 7 | 15 |
| IBM | 6 | 6 |
| Canon | 6 | 13 |
| Ememory Technology Incorporated | 6 | 8 |
Count of 102 and 103 Type Rejections based on Tower Semiconductor Patents
Top Tower Semiconductor Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US9330979B2 | 20 |
| US9484454B2 | 13 |
| US8378407B2 | 11 |
| US8279328B2 | 11 |
| US8004237B2 | 10 |
| US7485941B2 | 9 |
| US7358583B2 | 8 |
| US8722484B2 | 8 |
| US7575977B2 | 8 |
| US7800156B2 | 7 |
| US8520100B2 | 7 |
| US9484800B2 | 7 |
| US20070200055A1 | 6 |
| US8253373B2 | 6 |
| US7737390B2 | 6 |
What Percentage of Tower Semiconductor US Patent Applications were Granted?
Tower Semiconductor (Excluding its subsidiaries) has filed 202 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 180 have been granted leading to a grant rate of 92.7%.
Below are the key stats of Tower Semiconductor patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Tower Semiconductor?
| Law Firm | Total Applications | Success Rate |
| Bever Hoffman & Harms | 136 | 92.54% |
| Reches Patents | 15 | 100.00% |
| Shichrur & Co | 11 | 100.00% |
| Birch Stewart Kolasch & Birch | 9 | 100.00% |
| Maschoff Brennan | 5 | 0% |
| Naschitz Brandes Amir & Co | 4 | 100.00% |
| Kligler & Associates Patent Attorneys | 3 | 100.00% |
| Prtsi Inc | 3 | 66.67% |
| Eitan Law Group | 2 | 100.00% |
| Noam Eshel | 2 | 100.00% |