CC

Chi Chang

AM AMD: 72 patents #65 of 9,279Top 1%
SL Spansion Llc.: 12 patents #65 of 769Top 9%
Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%
TSMC: 2 patents #6,667 of 12,232Top 55%
AO Au Optronics: 2 patents #1,286 of 2,945Top 45%
Cypress Semiconductor: 2 patents #733 of 1,852Top 40%
IT ITRI: 2 patents #3,461 of 9,619Top 40%
CS Cyress Semiconductor: 1 patents #1 of 14Top 8%
PT Powertech Technology: 1 patents #58 of 136Top 45%
FA Fasl: 1 patents #23 of 52Top 45%
FL Fujitsu Amd Semiconductor Limited: 1 patents #14 of 40Top 35%
📍 Redwood City, CA: #29 of 5,061 inventorsTop 1%
🗺 California: #2,521 of 386,348 inventorsTop 1%
Overall (All Time): #16,496 of 4,157,543Top 1%
94
Patents All Time

Issued Patents All Time

Showing 51–75 of 94 patents

Patent #TitleCo-InventorsDate
6475847 Method for forming a semiconductor device with self-aligned contacts using a liner oxide layer Minh Van Ngo, Yu Sun, Fei Wang, Mark T. Ramsbey, Angela T. Hui +1 more 2002-11-05
6469939 Flash memory device with increase of efficiency during an APDE (automatic program disturb after erase) process Zhigang Wang, Richard Fastow, Sheung-Hee Park, Sameer Haddad 2002-10-22
6455373 Semiconductor device having gate edges protected from charge gain/loss Tuan Pham, Mark T. Ramsbey, Sameer Haddad, Angela T. Hui, Yu Sun 2002-09-24
6444539 Method for producing a shallow trench isolation filled with thermal oxide Yu Sun, Angela T. Hui, Yue-Song He, Tatsuya Kajita, Mark S. Chang +1 more 2002-09-03
6444530 Process for fabricating an integrated circuit with a self-aligned contact Hung-Sheng Chen, Unsoon Kim, Yu Sun, Mark T. Ramsbey, Mark Randolph +4 more 2002-09-03
6429108 Non-volatile memory device with encapsulated tungsten gate and method of making same Richard J. Huang, Keizaburo Yoshie, Yu Sun 2002-08-06
6420752 Semiconductor device with self-aligned contacts using a liner oxide layer Minh Van Ngo, Yu Sun, Fei Wang, Mark T. Ramsbey, Angela T. Hui +1 more 2002-07-16
6399984 Species implantation for minimizing interface defect density in flash memory devices Yider Wu, Mark T. Ramsbey, Yu Sun, Tuan Pham, Jean Y. Yang 2002-06-04
6381179 Using a negative gate erase to increase the cycling endurance of a non-volatile memory cell with an oxide-nitride-oxide (ONO) structure Narbeh Derhacobian, Michael Van Buskirk, Daniel Sobek 2002-04-30
6356482 Using negative gate erase voltage to simultaneously erase two bits from a non-volatile memory cell with an oxide-nitride-oxide (ONO) gate structure Narbeh Derhacobian, Michael Van Buskirk, Daniel Sobek 2002-03-12
6346467 Method of making tungsten gate MOS transistor and memory cell by encapsulating Richard J. Huang, Keizaburo Yoshie, Yu Sun 2002-02-12
6284600 Species implantation for minimizing interface defect density in flash memory devices Yider Wu, Mark T. Ramsbey, Yu Sun, Tuan Pham, Jean Y. Yang 2001-09-04
6266281 Method of erasing non-volatile memory cells Narbeth Derhacobian, Michael A. Van Buskirk, Daniel Sobeck, Janet Wang 2001-07-24
6266275 Dual source side polysilicon select gate structure and programming method utilizing single tunnel oxide for nand array flash memory Paul L. Chen, Mike Van Buskirk, Shane Hollmer, Binh Quang Le, Shoichi Kawamura +3 more 2001-07-24
6252803 Automatic program disturb with intelligent soft programming for flash cells Richard Fastow, Sameer Haddad, Lee Cleveland 2001-06-26
6252276 Non-volatile semiconductor memory device including assymetrically nitrogen doped gate oxide Mark T. Ramsbey, Sameer Haddad, Vei-Han Chan, Yu Sun 2001-06-26
6248627 Method for protecting gate edges from charge gain/loss in semiconductor device Tuan Pham, Mark T. Ramsbey, Sameer Haddad, Angela T. Hui, Yu Sun 2001-06-19
6246610 Symmetrical program and erase scheme to improve erase time degradation in NAND devices K. Michael Han, Joseph G. Pawletko, Narbeh Derhacobian 2001-06-12
6232646 Shallow trench isolation filled with thermal oxide Yu Sun, Angela T. Hui, Yue-Song He, Tatsuya Kajita, Mark S. Chang +1 more 2001-05-15
6160317 Method of spacer formation and source protection after self-aligned source formed and a device provided by such a method Yu Sun, Mark T. Ramsbey 2000-12-12
6080639 Semiconductor device containing P-HDP interdielectric layer Richard J. Huang 2000-06-27
6001713 Methods for forming nitrogen-rich regions in a floating gate and interpoly dielectric layer in a non-volatile semiconductor memory device Mark T. Ramsbey, Vei-Han Chan, Sameer Haddad, Yu Sun, Raymond Yu 1999-12-14
6001689 Process for fabricating a flash memory with dual function control lines Michael A. Van Buskirk 1999-12-14
5999452 Dual source side polysilicon select gate structure and programming method utilizing single tunnel oxide for NAND array flash memory Pau-Ling Chen, Mike Van Buskirk, Shane Hollmer, Binh Quang Le, Shoichi Kawamura +3 more 1999-12-07
5972751 Methods and arrangements for introducing nitrogen into a tunnel oxide in a non-volatile semiconductor memory device Mark T. Ramsbey, Sameer Haddad, Vei-Han Chan, Yu Sun 1999-10-26