LEE CHANG YEOL has a total of 12 patent applications. Its first patent ever was published in 1989. It filed its patents most often in Republic of Korea, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets foods and drinks, thermal processes and electrical machinery and energy are NI QUN, GUO GONGFU and ZHANG QIRONG.
# | Country | Total Patents | |
---|---|---|---|
#1 | Republic of Korea | 10 | |
#2 | United States | 1 | |
#3 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Foods and drinks | |
#2 | Thermal processes | |
#3 | Electrical machinery and energy | |
#4 | Semiconductors | |
#5 | Macromolecular chemistry and polymers | |
#6 | Chemical engineering | |
#7 | Transport |
# | Technology | |
---|---|---|
#1 | Foods | |
#2 | Domestic stoves | |
#3 | Special foods | |
#4 | Air-conditioning | |
#5 | Dairy products | |
#6 | Compounding ingredients | |
#7 | Semiconductor devices | |
#8 | Separation | |
#9 | Electric machines not otherwise provided for | |
#10 | Cosmonautics |
# | Name | Total Patents |
---|---|---|
#1 | Lee Chang Yeol | 11 |
#2 | Park Jong Myung | 2 |
#3 | Lee Dong Kwon | 2 |
#4 | Park Ran Seo | 1 |
#5 | Lee Chang-Yeol | 1 |
#6 | Choi Deuk Sung | 1 |
Publication | Filing date | Title |
---|---|---|
KR102135889B1 | Electromagnetic propulsion appratus | |
KR102222870B1 | Butyl rubber compostion for mono pump stator having excellent anti slip property and mono pump stator using the same | |
KR102075010B1 | filter handle anchorage structure | |
KR101924604B1 | knob for removable and installed components | |
KR101912388B1 | range hood filter | |
KR20030063764A | Method for manufacturing sweet and sour pork in tiie fried meatball | |
KR20030062639A | Method for manufacturing noodles of chinese food using rice flour | |
KR20010000118A | An apparatus for guiding for a handicapped person | |
KR20000035393A | Manufacturing method for whole bean curd | |
WO0027223A1 | Method for manufacturing whole bean curd | |
KR910005024B1 | Preparation method of ceramic material having many colors |