Chengdu
China
16
2025-01-30
The entities that hold a legal rights for patent applications filed by inventor Li Cheng:
Cheng Li from Chengdu, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
ROBUST NONNEGATIVE MATRIX FACTORIZATION (RNMF) METHOD BASED ON DEEP LEARNING AND INCREMENTAL LEARNING
#2 | 2022-01-18Drilling fluid for enhancing stratum pressure bearing capacity and preparation method and method of using thereof
#3 | 2021-06-03Nanometer plugging water-based drilling fluid and preparation method and use thereof
#4 | 2020-11-10Micro-nanometer plugging anti-collapse drilling fluid and preparation method and use thereof
#5 | 2020-11-10Modified nano-silica plugging agent, water-based drilling fluid, and preparation method and use thereof
#6 | 2020-01-14Strong plugging drilling fluid composition and preparation method thereof, and use thereof
#7 | 2016-11-24Method, apparatus and system for supporting non-vector line
#8 | 2014-05-22Method, apparatus and system for supporting non-vector line
#9 | 2014-03-20Vectored-DSL method and system, board, and DSLAM device
#10 | 2013-09-12METHOD AND APPARATUS FOR GROUPING LINE PAIRS, AND SYSTEM
#11 | 2012-09-20Method, device and system for extending channels
#12 | 2012-06-14Filtering method, system and equipment
#13 | 2012-03-29METHOD AND APPARATUS FOR ESTIMATING FAR-END CROSSTALK CHANNEL
#14 | 2007-12-20Flexible A-GPS locator
#15 | 2007-08-09Method for GPS positioning in a weak signal environment
#16 | 2006-12-28Method for extended transmission capabilities of short message service
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