HK Co. Ltd. has a total of 384 patents globally, out of which 332 have been granted. Of these 384 patents, more than 50% patents are active. Korea (South) is where HK Co. Ltd. has filed the maximum number of patents, followed by United States Of America. Parallelly, Korea (South) seems to be the main focused R&D centre of HK Co. Ltd..
HK Co. Ltd. was founded in the year 1990. Company engages in the manufacture and sale of non-metallic cutting, weldings, and surface treatment equipment. The company operates through the Laser Processor, Parts Distribution, and Service business divisions.
Do read about some of the most popular patents of HK Co. Ltd. which have been covered by us in this article and also you can find HK Co. Ltd. patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over HK Co. Ltd. patent portfolio.
How many patents does HK Co. Ltd. have?
HK Co. Ltd. has a total of 384 patents globally. These patents belong to 373 unique patent families. Out of 384 patents, 194 patents are active.
How Many Patents did HK Co. Ltd. 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 | HK Co. Ltd. Applications Filed | HK Co. Ltd. Patents Granted |
2023 | – | 1 |
2022 | 2 | 12 |
2021 | 15 | 17 |
2020 | 17 | 16 |
2019 | 12 | 20 |
2018 | 30 | 14 |
2017 | 35 | 37 |
2016 | 25 | 20 |
2015 | 23 | 16 |
2014 | 20 | 5 |
2013 | 12 | 5 |
2012 | 14 | 2 |
How many HK Co. Ltd. patents are Alive/Dead?

How Many Patents did HK Co. Ltd. File in Different Countries?

Where are Research Centres of HK Co. Ltd. Patents Located?
All Research Centres of HK Co. Ltd. Patents are located in Korea(South).
10 Best HK Co. Ltd. Patents
KR100559795B1 is the most popular patent in the HK Co. Ltd. portfolio. It has received 13 citations so far from companies like LG Electronics, Winix and Winiamando.
Below is the list of 10 most cited patents of HK Co. Ltd.:
Publication Number | Citation Count |
KR100559795B1 | 13 |
KR1020150137354A | 12 |
KR101327699B1 | 10 |
KR101076734B1 | 10 |
KR1020180119211A | 8 |
KR101715043B1 | 8 |
KR101148849B1 | 7 |
KR101832281B1 | 6 |
KR100670024B1 | 6 |
KR200327986Y1 | 6 |
What are HK Co. Ltd. key innovation segments?
What Technologies are Covered by HK Co. Ltd.?

The chart below distributes patents filed by