LI LAIJU has a total of 13 patent applications. Its first patent ever was published in 1995. It filed its patents most often in China. Its main competitors in its focus markets control are BERMAN DENNIS R, AMANO TAKESHI and YINGKOU JUCHENG TEACHING SCIENCE & TECHNOLOGY DEV CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 13 |
# | Industry | |
---|---|---|
#1 | Control |
# | Technology | |
---|---|---|
#1 | Teaching materials |
# | Name | Total Patents |
---|---|---|
#1 | Li Laiju | 11 |
#2 | Laiju Li | 2 |
#3 | Dexiu Li | 1 |
Publication | Filing date | Title |
---|---|---|
CN107293190A | Drill easy device | |
CN103258456A | Deductive device | |
CN103839456A | Demonstration machine | |
CN102931883A | Magnetic motor | |
CN1852018A | Magnetic driving machine | |
CN1750382A | Pyramid machine | |
CN1694342A | Pyramid machine | |
CN1503446A | Pyramid machine | |
CN1499706A | Pyramid machine | |
CN1479445A | Pyramid machine | |
CN1384475A | Magnetomotive machine | |
CN1133509A | Magnetic force mover | |
CN1130319A | Magnetic motor |