Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Porter Mitchell — 69 Patents

MTMaxwell Technologies: 35 patents #2 of 97Top 3%
VTValence Technology: 18 patents #7 of 118Top 6%
Tesla: 8 patents #84 of 838Top 15%
Delphi Technologies: 1 patents #2,130 of 4,124Top 55%
UAUS Army: 1 patents #2,854 of 6,974Top 45%
Chandler, AZ: #42 of 3,331 inventorsTop 2%
Arizona: #254 of 32,909 inventorsTop 1%
Overall (All Time): #29,979 of 4,157,543Top 1%
69 Patents All Time
Porter Mitchell has been granted 69 US patents while listed as an inventor at Maxwell Technologies. The first was granted in 1986 and the most recent in May 2025. Porter Mitchell ranks #29,979 of 4,157,543 US inventors in our database (top 0.72%). Patent records list Porter Mitchell in Chandler, AZ, US.

Issued Patents All Time

Showing 1–25 of 69 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12315914 Elemental metal and carbon mixtures for energy storage devices Hieu Minh Duong, Mohammed-Yazid Saidi 2025-05-27
12218303 Prelithiated hybridized energy storage device Hieu Minh Duong, Mohammed-Yazid Saidi, Joon Ho Shin, Haim Feigenbaum 2025-02-04
11901549 Elemental metal and carbon mixtures for energy storage devices Hieu Minh Duong, Mohammed-Yazid Saidi 2024-02-13 $3,379,015,000
11888108 Prelithiated hybridized energy storage device Hieu Minh Duong, Mohammed-Yazid Saidi, Joon Ho Shin, Haim Feigenbaum 2024-01-30 $6,466,372,000
11682754 Methods and apparatuses for energy storage device electrode fabrication Jeffrey D. Nelson, Robert Crawford, Mohammed-Yazid Saidi 2023-06-20 $5,286,815,000
11527747 Elemental metal and carbon mixtures for energy storage devices Hieu Minh Duong, Mohammed-Yazid Saidi 2022-12-13
11430613 Recyclable dry-particle based adhesive electrode and methods of making same Xiaomei Xi, Linda Zhong 2022-08-30
11302488 Carbon surface modification for three-volt ultracapacitor Priya Bendale, Robert Crawford, Jeffrey Nelson, Doug Schafer, Xiaomei Xi 2022-04-12
11239454 Methods and apparatuses for energy storage device electrode fabrication Jeffrey D. Nelson, Robert Crawford, Mohammed-Yazid Saidi 2022-02-01
11121352 Methods and apparatuses for energy storage device electrode fabrication 2021-09-14
10840540 Prelithiated hybridized energy storage device Hieu Minh Duong, Mohammed-Yazid Saidi, Joon Ho Shin, Haim Feigenbaum 2020-11-17
10818441 Electrode graphite film and electrode divider ring for an energy storage device Thomas J. Dougherty 2020-10-27
10763051 Carbon surface modification for three-volt ultracapacitor Priya Bendale, Robert Crawford, Jeffrey Nelson, Doug Schafer, Xiaomei Xi 2020-09-01
10547057 Dry-particle based adhesive and dry film and methods of making same Xiaomei Xi, Linda Zhong, Bin Zou 2020-01-28
10461319 Elemental metal and carbon mixtures for energy storage devices Hieu Minh Duong, Mohammed-Yazid Saidi 2019-10-29
10249448 Carbon surface modification for three-volt ultracapacitor Priya Bendale, Robert Crawford, Jeffrey Nelson, Doug Schafer, Xiaomei Xi 2019-04-02 $1,881,000
10096432 Electrode graphite film and electrode divider ring for an energy storage device Thomas J. Dougherty 2018-10-09 $1,570,000
10043615 Electrode porosity for three-volt ultracapacitor Priya Bendale, Robert Crawford, Jeffrey Nelson, Doug Schafer, Xiaomei Xi 2018-08-07 $1,220,000
9728342 Coated housing for ultracapacitor Priya Bendale, Robert Crawford, Jeffrey Nelson, Doug Schafer, Xiaomei Xi 2017-08-08 $1,551,000
9715970 Electrolyte for three-volt ultracapacitor Priya Bendale, Robert Crawford, Jeffrey Nelson, Doug Schafer, Xiaomei Xi 2017-07-25 $1,525,000
9679703 Carbon surface modification for three-volt ultracapacitor Priya Bendale, Robert Crawford, Jeffrey Nelson, Doug Schafer, Xiaomei Xi 2017-06-13 $1,612,000
9525168 Dry-particle based adhesive and dry film and methods of making same Xiaomei Xi, Linda Zhong, Bin Zou 2016-12-20 $1,655,000
8815443 Dry-particle based adhesive and dry film and methods of making same Xiaomei Xi, Linda Zhong, Bin Zou 2014-08-26 $4,508,000
8213156 Particle based electrodes and methods of making same Linda Zhong, Hermann Vincent, Chenniah Nanjundiah 2012-07-03 $2,902,000
8098481 Energy storage device Linda Zong, Xiaomei Xi, James Borkenhagen, Robert Crawford, Michael Everett +1 more 2012-01-17 $5,521,000