Ko-Hsing Chang — 31 Patents at Powerchip Semiconductor

Ko-Hsing Chang has been granted 31 US patents while listed as an inventor at Powerchip Semiconductor. The first was granted in 1999 and the most recent in August 2009. Ko-Hsing Chang ranks #115,823 of 4,157,543 US inventors in our database (top 2.8%). Patent records list Ko-Hsing Chang in Taipei, TW.

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #	Title	Co-Inventors	Date
7575941	Method of manufacturing photodiode	Su-Yuan Chang	2009-08-18
7528438	Non-volatile memory including assist gate	Chiu-Tsung Huang	2009-05-05
7491998	One time programmable memory and the manufacturing method thereof	Tsung-Cheng Huang, Yan Huang	2009-02-17
7446370	Non-volatile memory	Tsung-Cheng Huang, Yan Huang	2008-11-04
7405124	Fabricating method of non-volatile memory	—	2008-07-29
7394126	Non-volatile memory and manufacturing method thereof	Su-Yuan Chang	2008-07-01
7208796	Split gate flash memory	Wu-Tsung Chung, Tsung-Cheng Huang	2007-04-24
7192832	Flash memory cell and fabricating method thereof	Hann-Jye Hsu	2007-03-20
7164177	Multi-level memory cell	Chiu-Tsung Huang	2007-01-16
7098109	Multi-level memory cell and fabricating method thereof	Chiu-Tsung Huang	2006-08-29
7091550	Non-volatile memory device and method of manufacturing the same	Hann-Jye Hsu	2006-08-15
7074674	Method for manufacturing one-time electrically programmable read only memory	Tung-Po Chen, Tung-Ming Lai, Chen-Chiu Hsue	2006-07-11
7056787	Method of manufacturing semiconductor device	Chiu-Tsung Huang	2006-06-06
7049189	Method of fabricating non-volatile memory cell adapted for integration of devices and for multiple read/write operations	Su-Yuan Chang	2006-05-23
7038267	Non-volatile memory cell and manufacturing method thereof	Chiu-Tsung Huang	2006-05-02
6943404	Sonos multi-level memory cell	Chiu-Tsung Huang	2005-09-13
6869842	Method for manufacturing non-volatile memory cell	Cheng-Yuan Hsu	2005-03-22
6870212	Trench flash memory device and method of fabricating thereof	Chih-Wei Hung	2005-03-22
6867099	Spilt-gate flash memory structure and method of manufacture	Cheng-Yuan Hsu	2005-03-15
6821849	Split gate flash memory cell and manufacturing method thereof	Hann-Jye Hsu	2004-11-23
6815758	Flash memory cell	Hann-Jye Hsu	2004-11-09
6794710	Split-gate flash memory structure and method of manufacture	Cheng-Yuan Hsu	2004-09-21
6768162	Split gate flash memory cell and manufacturing method thereof	Hann-Jye Hsu	2004-07-27
6737700	Non-volatile memory cell structure and method for manufacturing thereof	Cheng-Yuan Hsu	2004-05-18
6635533	Method of fabricating flash memory	Cheng-Yuan Hsu	2003-10-21

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Ko-Hsing Chang — 31 Patents

Issued Patents All Time

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