Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JT

James E. Tappan — 24 Patents

Lam Research: 21 patents #119 of 2,128Top 6%
MEMetara: 3 patents #3 of 11Top 30%
Fremont, CA: #687 of 9,298 inventorsTop 8%
California: #23,266 of 386,348 inventorsTop 7%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
James E. Tappan has been granted 24 US patents while listed as an inventor at Lam Research. The first was granted in 1993 and the most recent in September 2025. James E. Tappan ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list James E. Tappan in Fremont, CA, US.

Patents per Year

Patents granted per year, 1993 to 2025Bar chart with a peak of 4 patents in 2014.peak 41993: 1 patents19931994: 1 patents2006: 2 patents20062008: 1 patents2011: 2 patents20112012: 1 patents2013: 3 patents20132014: 4 patents2015: 1 patents20152018: 2 patents2019: 1 patents20192020: 2 patents2022: 1 patents20222024: 1 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12406872 Semiconductor processing chamber with dual-lift mechanism for edge ring elevation management John Drewery 2025-09-02
12100575 Plasma processing devices having multi-port valve assemblies Daniel Arthur Brown, Michael C. Kellogg, Leonard J. Sharpless, Allan K. Ronne 2024-09-24 $887,300,000
11302556 Apparatus for spatial and temporal control of temperature on a substrate Anthony J. Ricci, Keith Comendant 2022-04-12 $460,378,000
10665435 Chamber with vertical support stem for symmetric conductance and RF delivery Daniel Arthur Brown, John Holland, Michael C. Kellogg, Jerrel K. Antolik, Ian Kenworthy +2 more 2020-05-26 $51,788,000
10636689 Apparatus for spatial and temporal control of temperature on a substrate Anthony J. Ricci, Keith Comendant 2020-04-28 $53,406,000
10395902 Chamber with vertical support stem for symmetric conductance and RF delivery Daniel Arthur Brown, John Holland, Michael C. Kellogg, Jerrel K. Antolik, Ian Kenworthy +2 more 2019-08-27 $43,634,000
10049862 Chamber with vertical support stem for symmetric conductance and RF delivery Daniel Arthur Brown, John Holland, Michael C. Kellogg, Jerrel K. Antolik, Ian Kenworthy +2 more 2018-08-14 $33,763,000
10037869 Plasma processing devices having multi-port valve assemblies Daniel Arthur Brown, Michael C. Kellogg, Leonard J. Sharpless, Allan K. Ronne 2018-07-31 $73,136,000
9103416 Floating collar clamping device for auto-aligning nut and screw in linear motion leadscrew and nut assembly and methods thereof 2015-08-11 $11,689,000
8900404 Plasma processing systems with mechanisms for controlling temperatures of components 2014-12-02 $6,421,000
8821639 Apparatus for spatial and temporal control of temperature on a substrate Anthony J. Ricci, Keith Comendant 2014-09-02 $15,468,000
8735298 Method for spatial and temporal control of temperature on a substrate Anthony J. Ricci, Keith Comendant 2014-05-27 $13,849,000
8735765 Adjustable gap capacitively coupled RF plasma reactor including lateral bellows and non-contact particle seal Scott Stevenot 2014-05-27 $13,849,000
8552334 Adjustable gap capacitively coupled RF plasma reactor including lateral bellows and non-contact particle seal Scott Stevenot 2013-10-08 $11,113,000
8438712 Floating collar clamping device for auto-aligning nut and screw in linear motion leadscrew and nut assembly 2013-05-14 $6,454,000
8394233 Electrode orientation and parallelism adjustment mechanism for plasma processing systems 2013-03-12 $11,235,000
8257548 Electrode orientation and parallelism adjustment mechanism for plasma processing systems 2012-09-04 $17,932,000
8051556 Method of manufacturing apparatus for spatial and temporal control of temperature on a substrate Anthony J. Ricci, Keith Comendant 2011-11-08 $8,329,000
8038796 Apparatus for spatial and temporal control of temperature on a substrate Anthony J. Ricci, Keith Comendant 2011-10-18 $14,793,000
7439499 Multiple electrospray probe interface for mass spectrometry Thomas H. Bailey 2008-10-21
7132080 Module for automated matrix removal Marc R. Anderson, Michael J. West 2006-11-07
6998095 Loop dilution system Marc R. Anderson, Michael J. West 2006-02-14
5368646 Reaction chamber design to minimize particle generation in chemical vapor deposition reactors Arthur K. Yasuda, Dean R. Denison, Randall S. Mundt 1994-11-29 $6,683,000
5200232 Reaction chamber design and method to minimize particle generation in chemical vapor deposition reactors Arthur K. Yasuda, Dean R. Denison, Randall S. Mundt 1993-04-06 $4,860,000