PV

Purakh Raj Verma

GP Globalfoundries Singapore Pte.: 56 patents #7 of 828Top 1%
UM United Microelectronics: 56 patents #49 of 4,560Top 2%
CM Chartered Semiconductor Manufacturing: 32 patents #14 of 840Top 2%
📍 Singapore, SG: #14 of 13,971 inventorsTop 1%
Overall (All Time): #6,699 of 4,157,543Top 1%
144
Patents All Time

Issued Patents All Time

Showing 126–144 of 144 patents

Patent #TitleCo-InventorsDate
7049201 Method and apparatus for a heterojunction bipolar transistor using self-aligned epitaxy Shao-fu Sanford Chu, Lap Chan, Jian Xun Li, Jia Zhen Zheng 2006-05-23
7022578 Heterojunction bipolar transistor using reverse emitter window Shao-fu Sanford Chu, Lap Chan, Jian Xun Li, Zhen Jia Zheng 2006-04-04
6972237 Lateral heterojunction bipolar transistor and method of manufacture using selective epitaxial growth Shao-fu Sanford Chu, Lap Chan, Jia Zhen Zheng, Jian Xun Li 2005-12-06
6936519 Double polysilicon bipolar transistor and method of manufacture therefor Shao-fu Sanford Chu 2005-08-30
6933188 Use of a selective hard mask for the integration of double diffused drain MOS devices in deep sub-micron fabrication technologies Sanford Chu, Hwee Ngoh Chua 2005-08-23
6924202 Heterojunction bipolar transistor with self-aligned emitter and sidewall base contact Jian Xun Li, Lap Chan, Jia Zhen Zheng, Shao-fu Sanford Chu 2005-08-02
6908824 Self-aligned lateral heterojunction bipolar transistor Jian Xun Li, Lap Chan, Jia Zhen Zheng, Shao-fu Sanford Chu 2005-06-21
6869884 Process to reduce substrate effects by forming channels under inductor devices and around analog blocks Lap Chan, Sanford Chu, Chit Hwei Ng, Jia Zhen Zheng, Johnny Kok Wai Chew +1 more 2005-03-22
6861317 Method of making direct contact on gate by using dielectric stop layer Sanford Chu, Lap Chan, Yelehanka Ramachandramurthy Pradeep, Kai Shao, Jia Zhen Zheng 2005-03-01
6852605 Method of forming an inductor with continuous metal deposition Chit Hwei Ng, Lap Chan, Yelehanka Ramachandramurthy Pradeep, Sanford Chu 2005-02-08
6835631 Method to enhance inductor Q factor by forming air gaps below inductors Zheng Zhen, Sanford Chu, Ng Chit Hwei, Lap Chan 2004-12-28
6821904 Method of blocking nitrogen from thick gate oxide during dual gate CMP Yelehanka Ramachandramurthy Pradeep, Sanford Chu, Chit Hwei Ng, Jia Zhen Zheng 2004-11-23
6638844 Method of reducing substrate coupling/noise for radio frequency CMOS (RFCMOS) components in semiconductor technology by backside trench and fill Sanford Chu, Chit Hwei, Lap Chan 2003-10-28
6486017 Method of reducing substrate coupling for chip inductors by creation of dielectric islands by selective EPI deposition Sanford Chu, Johnny Kok Wai Chew, Sia Choon Beng 2002-11-26
6372652 Method for forming a thin-film, electrically blowable fuse with a reproducible blowing wattage Zia A. Shafi, Yu Shan, ZENG-MAO ZHENG, Manju Sarkar, Shao-fu Sanford Chu 2002-04-16
6249031 High gain lateral PNP and NPN bipolar transistor and process compatible with CMOS for making BiCMOS circuits Joe Jin Kuek 2001-06-19
6093613 Method for making high gain lateral PNP and NPN bipolar transistor compatible with CMOS for making BICMOS circuits Joe Jin Kuek 2000-07-25
5982021 Vertical polysilicon diode compatible with CMOS/BiCMOS integrated circuit processes 1999-11-09
5716880 Method for forming vertical polysilicon diode compatible with CMOS/BICMOS formation 1998-02-10