Koito Manufacturing has a total of 14262 patents globally, out of which 8715 have been granted. Of these 14262 patents, more than 42% patents are active. Japan is where Koito Manufacturing has filed the maximum number of patents, followed by China and the USA. Parallelly, Japan seems to be the main focused R&D center and also Japan is the origin country of Koito Manufacturing.
Koito Manufacturing was founded in the year 1915. The Company offers produces lighting equipment for automobiles such as head and taillights, rear combination lamps, and fog lamps and also makes electronic parts for aircrafts including lighting equipment and oil pressure gauges.
Do read about some of the most popular patents of Koito Manufacturing which have been covered by us in this article and also you can find Koito Manufacturing patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Koito Manufacturing patent portfolio.
How many patents does Koito Manufacturing have?
Koito Manufacturing has a total of 14262 patents globally. These patents belong to 6987 unique patent families. Out of 14262 patents, 6093 patents are active.
How Many Patents did Koito Manufacturing 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 | Koito Applications Filed | Koito Patents Granted |
| 2023 | – | 163 |
| 2022 | 195 | 539 |
| 2021 | 513 | 604 |
| 2020 | 874 | 676 |
| 2019 | 1233 | 582 |
| 2018 | 1028 | 484 |
| 2017 | 688 | 510 |
| 2016 | 733 | 486 |
| 2015 | 631 | 397 |
| 2014 | 713 | 497 |
| 2013 | 727 | 362 |
| 2012 | 713 | 329 |
| 2011 | 527 | 357 |
How many Koito Manufacturing patents are Alive/Dead?
Worldwide Patents
How Many Patents did Koito Manufacturing File in Different Countries?
Countries in which Koito Manufacturing Filed Patents
| Country | Patents |
| Japan | 6152 |
| China | 2218 |
| United States Of America | 2023 |
| Germany | 1180 |
| Europe | 757 |
| France | 438 |
| Korea (South) | 281 |
| United Kingdom | 66 |
| India | 44 |
| Indonesia | 26 |
| Taiwan | 24 |
| Austria | 17 |
| Malaysia | 15 |
| Canada | 15 |
| Brazil | 15 |
| Netherlands | 8 |
| Italy | 7 |
| Hong Kong (S.A.R.) | 4 |
| Singapore | 2 |
| Sweden | 1 |
| Russia | 1 |
| Mexico | 1 |
| Thailand | 1 |
Where are Research Centers of Koito Manufacturing Patents Located?
10 Best Koito Manufacturing Patents
US7501749B2 is the most popular patent in the Koito Manufacturing portfolio. It has received 179 citations so far from companies like Ford and Led Lighting Fixtures, Inc.
Below is the list of 10 most cited patents of Koito Manufacturing:
| Publication Number | Citation Count |
| US7501749B2 | 179 |
| US6411022B1 | 176 |
| JP2012169189A | 170 |
| US20130329440A1 | 160 |
| JP2003178602A | 143 |
| US6343869B1 | 142 |
| JP2006236588A | 128 |
| US7726856B2 | 113 |
| US6811277B2 | 113 |
| US6948836B2 | 111 |
How many inventions of other companies were rejected due to Koito Manufacturing patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Koito Manufacturing invention. They couldn’t because Koito Manufacturing had protected those before them.
Examiners at the USPTO referred 840 Koito Manufacturing patents in 3918 rejections (35 USC § 102 or 35 USC § 103 types).
The top citing companies in the Koito Manufacturing patent portfolio are Stanley Electric, Valeo Vision and Ichikoh Industries.
List of the Companies whose Patents were rejected citing Koito Manufacturing –
| Company | Number of Patent Applications that faced Rejection Citing Koito Patents | Number of Rejections (102 & 103) |
| Stanley Electric | 106 | 239 |
| Valeo Vision | 84 | 190 |
| Ichikoh Industries Ltd | 44 | 125 |
| Toyota | 45 | 82 |
| Panasonic | 48 | 92 |
| Hyundai | 78 | 150 |
| Zkw Group Gmbh | 37 | 76 |
| Denso | 32 | 53 |
| Gm Global Technology | 30 | 59 |
| Ford | 28 | 60 |
Count of 102 and 103 Type Rejections based on Koito Manufacturing Patents
Top Koito Manufacturing Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US7165871B2 | 37 |
| US9494288B2 | 20 |
| US7575352B2 | 18 |
| US7696522B2 | 16 |
| US7270454B2 | 15 |
| US7114837B2 | 14 |
| US7073931B2 | 13 |
| US7156544B2 | 13 |
| US8550677B2 | 12 |
| US7429918B2 | 12 |
| US7207705B2 | 12 |
| US7946743B2 | 12 |
| US6817740B2 | 12 |
| US8882316B2 | 11 |
| US7391046B2 | 11 |
What Percentage of Koito Manufacturing US Patent Applications were Granted?
Koito Manufacturing (Excluding its subsidiaries) has filed 2279 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 1929 have been granted leading to a grant rate of 91.03%.
Below are the key stats of Koito Manufacturing patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Koito Manufacturing?
| Law Firm | Total Applications | Success Rate |
| Osha Bergman Watanabe & Burton Llp | 424 | 89.61% |
| Sughrue 265550 | 399 | 90.75% |
| Sughrue Mion Zinn Macpeak & Seas | 380 | 96.16% |
| Fish & Richardson | 210 | 87.62% |
| Venjuris Pc | 187 | 90.12% |
| Sughrue Mion Pllc | 153 | 88.73% |
| Buchanan Ingersoll & Rooney Pc | 128 | 78.02% |
| Cpa Global | 64 | 100.00% |
| Dla Piper Llp Us | 64 | 78.13% |
| Koda & Androlia | 43 | 97.67% |