Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert J. Twieg — 24 Patents

IBM: 20 patents #5,465 of 70,183Top 8%
KUKent State University: 4 patents #28 of 294Top 10%
Stanford University: 2 patents #1,354 of 5,197Top 30%
ZYZymergen: 1 patents #69 of 107Top 65%
San Jose, CA: #2,646 of 32,062 inventorsTop 9%
California: #23,266 of 386,348 inventorsTop 7%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
Robert J. Twieg has been granted 24 US patents while listed as an inventor at IBM. The first was granted in 1983 and the most recent in November 2023. Robert J. Twieg ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Robert J. Twieg in San Jose, CA, US.

Patents per Year

Patents granted per year, 1983 to 2023Bar chart with a peak of 4 patents in 1984.peak 41983: 1 patents19831984: 4 patents1986: 1 patents19861989: 1 patents1991: 3 patents19911993: 1 patents1994: 1 patents19941995: 1 patents1996: 1 patents19961997: 3 patents1998: 2 patents19982003: 1 patents2012: 2 patents20122014: 1 patents2023: 1 patents2023

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11814563 Bioreachable chiral dopants for liquid crystal applications Adam Safir, Shilpa Naresh Raja, Arjan Zoombelt, Pawan Nepal, Ashani Wedige-Fernando +1 more 2023-11-14
8772048 Fluorogenic compounds converted to fluorophores by photochemical or chemical means and their use in biological systems William E. Moerner, Samuel J. Lord, Na Liu, Reichel Samuel 2014-07-08
8300189 Liquid crystal device and methods thereof Ke Zhang, Philip J. Bos, Na Liu 2012-10-30
8153446 Fluorogenic compounds converted to fluorophores by photochemical or chemical means and their use in biological systems William E. Moerner, Samuel J. Lord, Na Liu, Reichel Samuel 2012-04-10
6540938 Liquid crystalline light-modulating device Ali Afzali-Arkadani, Glenn Allen Held, Anthony Cyril Lowe, Robert D. Miller, Uwe Schroeder +1 more 2003-04-01 $11,931,000
5783114 Liquid crystalline display Daniel Dyer 1998-07-21 $12,143,000
5719690 Photorefractive glass article Donald M. Burland 1998-02-17 $25,808,000
5660921 Poly (aryl ether benzimidazoles) their use capping layers in microelectronic structures Kie Y. Ahn, James L. Hedrick, Jeffrey W. Labadie, Kang-Wook Lee, Alfred Viehbeck +1 more 1997-08-26 $35,141,000
5607799 Optical photorefractive article William E. Moerner, Scott M. Silence 1997-03-04 $24,426,000
5593720 Process for making a multileveled electronic package Kie Y. Ahn, James L. Hedrick, Jeffrey W. Labadie, Kang-Wook Lee, Alfred Viehbeck +1 more 1997-01-14 $25,282,000
5516874 Poly(aryl ether benzimidazoles) Kie Y. Ahn, James L. Hedrick, Jeffrey W. Labadie, Kang-Wook Lee, Alfred Viehbeck +1 more 1996-05-14 $11,662,000
5460907 Photorefractive materials Stephen P. Ducharme, William E. Moerner, John Campbell Scott 1995-10-24 $10,910,000
5361148 Apparatus for photorefractive two beam coupling Gary C. Bjorklund, Donald M. Burland, Marcus C. J. M. Donckers, Robert D. Miller, William E. Moerner +2 more 1994-11-01 $17,189,000
5250395 Process for imaging of photoresist including treatment of the photoresist with an organometallic compound Robert David Allen, Scott A. MacDonald, Dennis McKean, Hubert Schlosser, Gregory Michael Wallraff +1 more 1993-10-05 $6,887,000
5068054 Ferroelectric liquid crystals Kathleen M. Betterton, William D. Hinsberg, Huu T. Nguyen, Wing Tsang Tang 1991-11-26 $34,132,000
5064264 Photorefractive materials Stephen P. Ducharme, William E. Moerner, John Campbell Scott 1991-11-12 $16,787,000
5055439 Photoacid generating composition and sensitizer therefor Robert David Allen, William D. Hinsberg, Logan L. Simpson, Gregory Michael Wallraff, Carlton G. Willson 1991-10-08 $19,888,000
4800152 Negative resist compositions Robert David Allen, Jean M. J. Frechet, Carlton G. Willson 1989-01-24 $28,360,000
4612210 Process for planarizing a substrate Donald C. Hofer, Debra Brouse LaVergne, Willi Volksen 1986-09-16 $104,299,000
4478687 Phenazine leucodyes for electrochromic recording Paul Gendler 1984-10-23 $22,570,000
4444626 Electrochromic printing William E. Bernier, Francis Emmi, Edmond O. Fey, Paul Gendler 1984-04-24 $18,303,000
4443302 Printing medium and use thereof Paul Gendler 1984-04-17 $34,280,000
4439280 Phenothiazine leucodyes for electrochromic recording Paul Gendler 1984-03-27 $14,476,000
4397937 Positive resist compositions Nicholas J. Clecak, Dennis McKean, Robert D. Miller, Terry C. Tompkins, Carlton G. Willson 1983-08-09 $14,196,000