Hirata Corporation has a total of 1599 patents globally, out of which 1025 have been granted. Of these 1599 patents, more than 52% patents are active. Japan is where Hirata Corporation 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 Hirata Corporation.
Hirata Corporation was founded in the year 1920. The Company’s line of business includes selling gasoline and lubricating oils.
Do read about some of the most popular patents of Hirata Corporation which have been covered by us in this article and also you can find Hirata Corporation patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Hirata Corporation patent portfolio.
How many patents does Hirata Corporation have?
Hirata Corporation has a total of 1599 patents globally. These patents belong to 677 unique patent families. Out of 1599 patents, 835 patents are active.
How Many Patents did Hirata Corporation 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 | Hirata Corporation Applications Filed | Hirata Corporation Patents Granted |
| 2023 | 8 | 29 |
| 2022 | 18 | 66 |
| 2021 | 51 | 68 |
| 2020 | 72 | 52 |
| 2019 | 98 | 63 |
| 2018 | 82 | 59 |
| 2017 | 83 | 61 |
| 2016 | 45 | 75 |
| 2015 | 104 | 65 |
| 2014 | 57 | 49 |
| 2013 | 67 | 90 |
| 2012 | 88 | 102 |
How many Hirata Corporation patents are Alive/Dead?
How Many Patents did Hirata Corporation File in Different Countries?
Countries in which Hirata Corporation Filed Patents
| Country | Patents |
| Japan | 510 |
| China | 217 |
| United States Of America | 183 |
| Korea (South) | 130 |
| Taiwan | 103 |
| Europe | 67 |
| Germany | 56 |
| Austria | 25 |
| Mexico | 12 |
| Singapore | 10 |
| Malaysia | 9 |
| India | 9 |
| Brazil | 7 |
| Italy | 5 |
| Viet Nam | 4 |
| Spain | 3 |
| Canada | 2 |
| Indonesia | 2 |
| Denmark | 1 |
| Hungary | 1 |
| France | 1 |
| Australia | 1 |
| Portugal | 1 |
| Poland | 1 |
Where are Research Centres of Hirata Corporation Patents Located?
10 Best Hirata Corporation Patents
USD734377S1 is the most popular patent in the Hirata Corporation portfolio. It has received 347 citations so far from companies like Ebara Corporation, ASM IP Holding B.V and Liqua-Tech Corporation.
Below is the list of 10 most cited patents of Hirata Corporation:
| Publication Number | Citation Count |
| USD734377S1 | 347 |
| US20080230352A1 | 126 |
| JP2004114912A | 80 |
| US6604624B2 | 73 |
| US8006824B2 | 72 |
| US20090265031A1 | 65 |
| JP2012006498A | 51 |
| US6591488B1 | 50 |
| US6702099B2 | 39 |
| WO2011074551A1 | 39 |
How many inventions of other companies were rejected due to Hirata Corporation patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Hirata Corporation invention. They couldn’t because Hirata Corporation had protected those before them.
Examiners at the USPTO referred 50 Hirata Corporation patents in 143 rejections (35 USC § 102 or 35 USC § 103 types).
The top citing companies in the Hirata Corporation patent portfolio are Applied Materials, Hyundai Motor Company and Toyota.
List of the Companies whose Patents were rejected citing Hirata Corporation –
| Company | Number of Patent Applications that faced Rejection Citing Hirata Corporation Patents | Number of Rejections (102 & 103) |
| Applied Materials | 4 | 8 |
| Hyundai Motor Company | 3 | 11 |
| Toyota | 3 | 9 |
| Sinfonia Technology | 2 | 4 |
| Safran Aircraft Engines | 2 | 3 |
| Roche Molecular Systems | 2 | 4 |
| Barclays Bank | 2 | 8 |
| Samsung Electronics | 2 | 3 |
| Tdk | 2 | 2 |
| Canon | 2 | 3 |
Count of 102 and 103 Type Rejections based on Hirata Corporation Patents
Top Hirata Corporation Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US6604624B2 | 8 |
| US7649159B2 | 6 |
| US6764271B2 | 5 |
| US8591163B2 | 5 |
| US20050158152A1 | 3 |
| US7801641B2 | 3 |
| US11633817B2 | 2 |
| US8137643B2 | 2 |
| US9103594B2 | 2 |
| US20120048081A1 | 2 |
| US8142660B2 | 2 |
| US6702099B2 | 2 |
| US9033705B2 | 2 |
| US6886241B2 | 2 |
| US7849734B2 | 2 |
What Percentage of Hirata Corporation US Patent Applications were Granted?
Hirata Corporation (Excluding its subsidiaries) has filed 173 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 139 have been granted leading to a grant rate of 88.24%.
Below are the key stats of Hirata Corporation patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Hirata Corporation?
| Law Firm | Total Applications | Success Rate |
| Buchanan Ingersoll & Rooney | 103 | 88.24% |
| Wenderoth Lind & Ponack | 24 | 95.83% |
| Bacon & Thomas | 20 | 75.00% |
| Lorusso & Loud | 4 | 100.00% |
| Oliff | 4 | 100.00% |
| George A Loud | 3 | 100.00% |
| George A Loud Esquire | 2 | 50.00% |
| Jciprnet | 2 | 0% |
| Paratus Law Group | 2 | 50.00% |
| Christopher & Weisberg | 1 | 100.00% |
What are Hirata Corporation key innovation segments?
What Technologies are Covered by Hirata Corporation?
The chart below distributes patents filed by Hirata Corporation