AN

Andrew J. Nagengast

Applied Materials: 44 patents #196 of 7,310Top 3%
Lam Research: 7 patents #410 of 2,128Top 20%
GT Gtat: 2 patents #33 of 101Top 35%
TT Twin Creeks Technologies: 2 patents #16 of 37Top 45%
📍 Sunnyvale, CA: #283 of 14,302 inventorsTop 2%
🗺 California: #6,532 of 386,348 inventorsTop 2%
Overall (All Time): #43,695 of 4,157,543Top 2%
56
Patents All Time

Issued Patents All Time

Showing 26–50 of 56 patents

Patent #TitleCo-InventorsDate
9610672 Configurable pressure design for multizone chemical mechanical planarization polishing head Jeonghoon Oh, Steven M. Zuniga, Samuel Chu-Chiang Hsu, Gautam Shashank Dandavate 2017-04-04
9452505 Textured membrane for a multi-chamber carrier head Jeonghoon Oh, Tsz-Sin Siu, Hung Chih Chen, Steven M. Zuniga, Thomas Brezoczky 2016-09-27
9368371 Retaining ring having inner surfaces with facets Jeonghoon Oh, Steven M. Zuniga, Samuel Chu-Chiang Hsu, Gautam Shashank Dandavate 2016-06-14
9214375 End effector having multiple-position contact points Matthew J. Rodnick, Brandon Senn, Richard M. Blank 2015-12-15
8808062 Multi-chamber carrier head with a textured membrane Jeonghoon Oh, Tsz-Sin Siu, Hung Chih Chen, Steven M. Zuniga, Thomas Brezoczky 2014-08-19
8545660 Bonding apparatus and method Steven M. Zuniga, Robert D. Tolles, Derek Aqui, Anthony Senn, Keenan Leon Guerrero 2013-10-01
8535121 Retaining ring and articles for carrier head Doyle E. Bennett, Hung Chih Chen 2013-09-17
8469776 Flexible membrane for carrier head Steven M. Zuniga, Jeonghoon Oh 2013-06-25
8454413 Multi-chamber carrier head with a textured membrane Jeonghoon Oh, Tsz-Sin Siu, Hung Chih Chen, Steven M. Zuniga, Thomas Brezoczky 2013-06-04
8376813 Retaining ring and articles for carrier head Doyle E. Bennett, Hung Chih Chen 2013-02-19
8360409 Apparatus and method for simultaneous treatment of multiple workpieces Steven M. Zuniga, Derek Aqui, Keenan Leon Guerrero, Harish K. Bolla, Aditya Agarwal 2013-01-29
8334191 Two-chamber system and method for serial bonding and exfoliation of multiple workpieces Steven M. Zuniga, Derek Aqui, Kirk Liebscher, John Alexander, Keenan Leon Guerrero 2012-12-18
8207047 Apparatus and method for simultaneous treatment of multiple workpieces Steven M. Zuniga, Derek Aqui, Keenan Leon Guerrero, Harish K. Bolla, Aditya Agarwal 2012-06-26
8151852 Bonding apparatus and method Steven M. Zuniga, Robert D. Tolles, Derek Aqui, Anthony Senn, Keenan Leon Guerrero 2012-04-10
8021215 Carrier head with retaining ring and carrier ring Steven M. Zuniga, Jeonghoon Oh 2011-09-20
7950985 Flexible membrane for carrier head Steven M. Zuniga, Jeonghoon Oh 2011-05-31
7901273 Carrier ring for carrier head Steven M. Zuniga, Jeonghoon Oh 2011-03-08
7727055 Flexible membrane for carrier head Steven M. Zuniga, Jeonghoon Oh 2010-06-01
7699688 Carrier ring for carrier head Steven M. Zuniga, Jeonghoon Oh 2010-04-20
7654888 Carrier head with retaining ring and carrier ring Steven M. Zuniga, Jeonghoon Oh 2010-02-02
7575504 Retaining ring, flexible membrane for applying load to a retaining ring, and retaining ring assembly Steven M. Zuniga, Jeonghoon Oh 2009-08-18
7527271 Fast substrate loading on polishing head without membrane inflation step Jeonghoon Oh, Steven M. Zuniga, Hung Chih Chen 2009-05-05
7255637 Carrier head vibration damping Doyle E. Bennett, Hung Chih Chen 2007-08-14
6739958 Carrier head with a vibration reduction feature for a chemical mechanical polishing system Sandy Chao 2004-05-25
6592439 Platen for retaining polishing material Shijian Li, Manoocher Birang, Ramin Emami, Douglas Orcutt Brown, Shi-Ping Wang +2 more 2003-07-15