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SHANGHAI HUA HONG GROUP CO LTD

Overview
  • Total Patents
    27
About

SHANGHAI HUA HONG GROUP CO LTD has a total of 27 patent applications. Its first patent ever was published in 2003. It filed its patents most often in China. Its main competitors in its focus markets semiconductors are KONO HIROSHI, BRIGHTEK OPTOELECTRONIC CO LTD and Kunshan huatai electronic technology co ltd.

Patent filings in countries

World map showing SHANGHAI HUA HONG GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 27

Patent filings per year

Chart showing SHANGHAI HUA HONG GROUP CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Semiconductors

Focus technologies

# Technology
#1 Semiconductor devices

Top inventors

# Name Total Patents
#1 Hu Hengsheng 5
#2 Miao Bingyou 2
#3 Wang Wei 2
#4 Zhu Jun 2
#5 Jin Hu 2
#6 Wang Liukun 2
#7 Chen Shoumian Yang 1
#8 Xue Linyan 1
#9 Zhou Weijie 1
#10 Hu Zhengjun 1

Latest patents

Publication Filing date Title
CN1632921A Two-step reduction etching technique capable of reducing grid characteristic dimension
CN1632938A Shallow grooved-isolation technique without hard mask
CN1632942A Technique for porous filling damascene using light sensitive material
CN1632922A Novel ultra-thin nitrogen-contained grid medium preparing method
CN1632939A A shallow groove isolation technique in integrated circuit manufacturing technique
CN1632930A Plasma processing technique for reducing MOCVD TiN film thickness on through-hole side wall
CN1632931A Technique for improving voltage resistance of reduced surface field type LDMOS device
CN1632927A Plasma etching method for eliminating organic substance using sulfur dioxide mixture gas
CN1632941A Method for forming etching barrier layer in dual damascene structure
CN1604277A Method for eliminating transverse concave groove with nitrogen
CN1604317A Tungsten plugged barrier layer deposition process and structure thereof
CN1604301A Chemical-mechanical polishing process for shadow trench isolation technology
CN1632937A Shallow junction shield groove technique for protecting active region area
CN1604287A Preparation of etching obstructing layer by rotary coating method in double Damascus structure
CN1603470A Metal front contact hole cleaning process
CN1547251A A method for reducing dimension differences between isolated contact aperture and dense contact aperture
CN1547244A Process for eliminating photoresist poison of photo-etching in integrated circuit manufacture technology
CN1547254A Process for forming silicide at twice in active area of transistor
CN1547255A Technique integration method for deep sub-micron CMOS source-drain manufacture technology
CN1547245A Preprocessing technique for removing oxide film from surface of copper seed crystal and reinforcing copper layer adhesion