Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Pravin K. Narwankar — 63 Patents

Applied Materials: 62 patents #114 of 7,310Top 2%
Sunnyvale, CA: #226 of 14,302 inventorsTop 2%
California: #5,306 of 386,348 inventorsTop 2%
Overall (All Time): #35,589 of 4,157,543Top 1%
63 Patents All Time

Issued Patents All Time

Showing 51–63 of 63 patents

Patent #TitleCo-InventorsDate
6454860 Deposition reactor having vaporizing, mixing and cleaning capabilities Craig Metzner, Turgut Sahin, Gregory Redinbo, Patricia M. Liu 2002-09-24
6387761 Anneal for enhancing the electrical characteristic of semiconductor devices Wong-Cheng Shih, Randall S. Urdahl, Turgut Sahin 2002-05-14
6337289 Method and apparatus for integrating a metal nitride film in a semiconductor device Turgut Sahin 2002-01-08
6274058 Remote plasma cleaning method for processing chambers Ravi Rajagopalan, Patricia M. Liu, Huyen Tran, Padmanabhan Krishnaraj, Alan Ablao +1 more 2001-08-14
6218300 Method and apparatus for forming a titanium doped tantalum pentaoxide dielectric layer using CVD Turgut Sahin, Randall S. Urdahl, Ankineedu Velaga, Patricia M. Liu 2001-04-17
6217658 Sequencing of the recipe steps for the optimal low-dielectric constant HDP-CVD Processing Maciek Orczyk, Laxman Murugesh 2001-04-17
6204203 Post deposition treatment of dielectric films for interface control Turgut Sahin, Gregory Redinbo, Patricia M. Liu, Huyen Tran 2001-03-20
6200911 Method and apparatus for modifying the profile of narrow, high-aspect-ratio gaps using differential plasma power Sameer Desai, Walter Zygmunt, Turgut Sahin, Laxman Murugesh 2001-03-13
6136685 High deposition rate recipe for low dielectric constant films Laxman Murugesh, Turgut Sahin, Maciek Orczyk, Jianmin Qiao 2000-10-24
6037235 Hydrogen anneal for curing defects of silicon/nitride interfaces of semiconductor devices Randall S. Urdahl, Turgut Sahin, Wong-Cheng Shih 2000-03-14
5976993 Method for reducing the intrinsic stress of high density plasma films K. V. Ravi, Kent Rossman, Turgut Sahin 1999-11-02
5937323 Sequencing of the recipe steps for the optimal low-k HDP-CVD processing Maciek Orczyk, Laxman Murugesh 1999-08-10
5811356 Reduction in mobile ion and metal contamination by varying season time and bias RF power during chamber cleaning Laxman Murugesh, Turgut Sahin, Kent Rossman 1998-09-22