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USPTO Patent Rankings Data through Dec 31, 2025
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Paul J. Tsang — 21 Patents

IBM: 20 patents #5,465 of 70,183Top 8%
MPMagnetic Peripherals: 1 patents #58 of 149Top 40%
Poughkeepsie, NY: #195 of 1,613 inventorsTop 15%
New York: #6,583 of 115,490 inventorsTop 6%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Paul J. Tsang has been granted 21 US patents while listed as an inventor at IBM. The first was granted in 1982 and the most recent in November 1995. Paul J. Tsang ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Paul J. Tsang in Poughkeepsie, NY, US.

Patents per Year

Patents granted per year, 1982 to 1995Bar chart with a peak of 4 patents in 1983.peak 41982: 1 patents19821983: 4 patents1984: 1 patents19841985: 3 patents1986: 1 patents19861988: 1 patents1989: 1 patents19891990: 2 patents1991: 1 patents19911992: 1 patents1993: 1 patents19931994: 3 patents1995: 1 patents1995

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5465859 Dual phase and hybrid phase shifting mask fabrication using a surface etch monitoring technique Jonathan D. Chapple-Sokol, Louis L. Hsu, Chi-Min Yuan 1995-11-14 $11,832,000
5374590 Fabrication and laser deletion of microfuses Kerry L. Batdorf, Richard A. Gilmour 1994-12-20 $10,417,000
5340775 Structure and fabrication of SiCr microfuses Roy A. Carruthers, Fernand Dorleans, John A. Fitzsimmons, Richard Flitsch, James A. Jubinsky +3 more 1994-08-23 $13,412,000
5285099 SiCr microfuses Roy A. Carruthers, Fernand Dorleans, John A. Fitzsimmons, Richard Flitsch, James A. Jubinsky +3 more 1994-02-08 $8,949,000
5241203 Inverse T-gate FET transistor with lightly doped source and drain region Louis L. Hsu, Seiki Ogura, Joseph F. Shepard, Jr. 1993-08-31 $6,793,000
5120668 Method of forming an inverse T-gate FET transistor Louis L. Hsu, Seiki Ogura, Joseph F. Shepard, Jr. 1992-06-09 $7,952,000
5015594 Process of making BiCMOS devices having closely spaced device regions Shao-fu Sanford Chu, San-Mei Ku, Russell C. Lange, Joseph F. Shephard, Wen-Yuan Wang 1991-05-14 $22,168,000
4960717 Fabrication of dielectrically isolated integrated circuit devices Victor J. Silvestri 1990-10-02 $14,648,000
4908691 Selective epitaxial growth structure and isolation Victor J. Silvestri 1990-03-13 $23,957,000
4890287 On-the-fly error correction Bruce E. Johnson 1989-12-26
4728624 Selective epitaxial growth structure and isolation Victor J. Silvestri 1988-03-01 $29,571,000
4583106 Fabrication methods for high performance lateral bipolar transistors Narasipur G. Anantha, Jacob Riseman 1986-04-15 $21,461,000
4546536 Fabrication methods for high performance lateral bipolar transistors Narasipur G. Anantha, Jacob Riseman 1985-10-15 $20,804,000
4510676 Method of fabricating a lateral PNP transistor Narasipur G. Anantha, Santosh P. Gaur, Yi-Shiou Huang 1985-04-16 $15,976,000
4492008 Methods for making high performance lateral bipolar transistors Narasipur G. Anantha, Tak H. Ning 1985-01-08 $24,317,000
4442589 Method for manufacturing field effect transistors Ven Y. Doo 1984-04-17 $34,280,000
4419809 Fabrication process of sub-micrometer channel length MOSFETs Jacob Riseman 1983-12-13 $27,725,000
4403394 Formation of bit lines for ram device Joseph F. Shepard, Jr. 1983-09-13 $30,642,000
4392149 Bipolar transistor Cheng T. Horng, Robert O. Schwenker 1983-07-05 $38,546,000
4366613 Method of fabricating an MOS dynamic RAM with lightly doped drain Seiki Ogura 1983-01-04 $36,874,000
4309812 Process for fabricating improved bipolar transistor utilizing selective etching Cheng T. Horng, Robert O. Schwenker 1982-01-12 $14,333,000