{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Lam Research", "item": "https://www.patentleaderboard.com/company/lam-research"}, {"@type": "ListItem", "position": 3, "name": "Robert C. Hefty", "item": "https://www.patentleaderboard.com/inventor/fl:ro_ln:hefty-1"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RH

Robert C. Hefty — 8 Patents

Lam Research: 8 patents #367 of 2,128Top 20%
Mountain View, CA: #2,645 of 11,022 inventorsTop 25%
California: #74,834 of 386,348 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Robert C. Hefty has been granted 8 US patents while listed as an inventor at Lam Research. The first was granted in 2007 and the most recent in January 2016. Robert C. Hefty ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Robert C. Hefty in Mountain View, CA, US.

Patents per Year

Patents granted per year, 2007 to 2016Bar chart with a peak of 2 patents in 2007.peak 22007: 2 patents20072009: 1 patents20092012: 2 patents20122013: 1 patents20132014: 1 patents20142016: 1 patents2016

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9234775 Methods for verifying gas flow rates from a gas supply system into a plasma processing chamber Dean J. Larson, James V. Tietz, William S. Kennedy, Eric H. Lenz, William M. Denty, Jr. +1 more 2016-01-12 $16,109,000
8906248 Silicon on insulator etch Siyi Li, Mark Todhunter Robson, James R. Bowers, Audrey Charles 2014-12-09 $7,792,000
8394722 Bi-layer, tri-layer mask CD control Gerardo Delgadino 2013-03-12 $11,235,000
8236188 Method for low-K dielectric etch with reduced damage Bing Ji, Kenji Takeshita, Andrew D. Bailey, III, Eric A. Hudson, Maryam Moravej +6 more 2012-08-07 $20,329,000
8114780 Method for dielectric material removal between conductive lines Mayumi Block, Stephen M. Sirard, Kenji Takeshita 2012-02-14 $17,467,000
7558641 Recipe report card framework and methods thereof Chung-Ho Huang, Andrew Lui, Dave Humbird, Charles Potter 2009-07-07 $39,399,000
7291286 Methods for removing black silicon and black silicon carbide from surfaces of silicon and silicon carbide electrodes for plasma processing apparatuses Enrico Magni, Michael J. Kelly, Michelle Lupan 2007-11-06 $43,055,000
7226869 Methods for protecting silicon or silicon carbide electrode surfaces from morphological modification during plasma etch processing Kenji Takeshita, Tsuyoshi Aso, Seiji Kawaguchi, Thomas McClard, Wan-Lin Chen +3 more 2007-06-05 $15,368,000