Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David C. Long — 167 Patents

IBM: 166 patents #238 of 70,183Top 1%
IBInternational Business: 1 patents #4 of 119Top 4%
Apple: 1 patents #12,397 of 18,612Top 70%
Wappingers Falls, NY: #6 of 884 inventorsTop 1%
New York: #211 of 115,490 inventorsTop 1%
Overall (All Time): #4,975 of 4,157,543Top 1%
167 Patents All Time
David C. Long has been granted 167 US patents while listed as an inventor at IBM. The first was granted in 1989 and the most recent in September 2025. David C. Long ranks #4,975 of 4,157,543 US inventors in our database (top 0.12%). Patent records list David C. Long in Wappingers Falls, NY, US.

Issued Patents All Time

Showing 1–25 of 167 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12414229 Tearing security feature of printed circuit substrates Arthur J. Higby, James A. Busby, William Santiago-Fernandez, John R. Dangler, Russell A. Budd +3 more 2025-09-09
12207392 Electronic component comprising first and second conductive traces and a void formed in an insulative layer between the first and second traces providing crosstalk reduction Matthew S. Doyle, Matteo Cocchini, Russell A. Budd, James A. Busby, Roger S. Krabbenhoft +1 more 2025-01-21
11991277 Cryptographic hardware security module with secure embedded heat pipe Arthur J. Higby, Edward N. Cohen, John R. Dangler, Matthew S. Doyle, Philipp K Buchling Rego +3 more 2024-05-21 $15,464,000
11822707 Secure ventilation through protective flexible sensors William Santiago-Fernandez, Russell A. Budd, James A. Busby, Arthur J. Higby, Michael J. Fisher +2 more 2023-11-21 $7,457,000
11765816 Tamper-respondent assemblies with pressure connector assemblies Arthur J. Higby, William L. Brodsky, Levi A. Campbell, James A. Busby, Philipp K Buchling Rego 2023-09-19 $7,535,000
11614497 Leakage characterization for electronic circuit temperature monitoring Matthew S. Doyle, James A. Busby, Edward N. Cohen, John R. Dangler, Gerald K. Bartley +4 more 2023-03-28 $13,323,000
11493565 Leakage characterization and management for electronic circuit enhancement Matthew S. Doyle, James A. Busby, Edward N. Cohen, John R. Dangler, Michael J. Fisher +1 more 2022-11-08 $10,347,000
11382210 Dielectric material change to optimize electrical and mechanical properties of flex circuit John R. Dangler, Arthur J. Higby, Philipp K Buchling Rego, James A. Busby, Matthew S. Doyle +3 more 2022-07-05 $7,280,000
11147158 Tamper-respondent assembly with interconnect characteristic(s) obscuring circuit layout James A. Busby, John R. Dangler, Michael J. Fisher 2021-10-12 $3,967,000
11122682 Tamper-respondent sensors with liquid crystal polymer layers James A. Busby, John R. Dangler, Mark K. Hoffmeyer, William L. Brodsky, William Santiago-Fernandez +3 more 2021-09-14 $2,674,000
11083082 Enclosure-to-board interface with tamper-detect circuit(s) Kathleen Ann Fadden, James A. Busby, John R. Dangler, Alexandra Echegaray, Michael J. Fisher +1 more 2021-08-03 $4,187,000
11026324 Creating a secure volume Arthur J. Higby, Michael J. Fisher, James A. Busby, John R. Dangler, Robert Weiss +2 more 2021-06-01 $4,052,000
10956623 Enclosure with tamper respondent sensor Silvio Dragone, Michael J. Fisher, William Santiago Fernandez, Ryan Elsasser, James A. Busby +3 more 2021-03-23 $2,115,000
10950831 Pressure-induced battery pack venting with filtering Noah Singer, Prabjit Singh, John G. Torok 2021-03-16 $6,230,000
10932374 3-D flex circuit forming Arthur J. Higby, James A. Busby, Robert Weiss, Michael J. Fisher, Tristen Gaudette 2021-02-23 $3,028,000
10798816 Tamper detection at enclosure-to-board interface James A. Busby, Arthur J. Higby, Michael J. Fisher, Russell A. Budd, Michel Turgeon +1 more 2020-10-06 $5,751,000
10739751 Apparatus for facilitating evaluating rechargeable batteries John G. Torok, Noah Singer, Prabjit Singh 2020-08-11 $2,122,000
10685146 Overlapping, discrete tamper-respondent sensors William L. Brodsky, John R. Dangler, Phillip Duane Isaacs, Michael T. Peets 2020-06-16 $3,682,000
10624202 Tamper-respondent assemblies with bond protection William L. Brodsky, James A. Busby, Zachary Thomas Dreiss, Michael J. Fisher, William Santiago-Fernandez +1 more 2020-04-14 $1,668,000
10595419 3-D flex circuit forming Arthur J. Higby, James A. Busby, Robert Weiss, Michael J. Fisher, Tristen Gaudette 2020-03-17 $1,423,000
10595401 Tamper detection at enclosure-to-board interface James A. Busby, Arthur J. Higby, Michael J. Fisher, Russell A. Budd, Michel Turgeon +1 more 2020-03-17 $1,423,000
10575398 Tamper-respondent assembly with interconnect characteristic(s) obscuring circuit layout James A. Busby, John R. Dangler, Michael J. Fisher 2020-02-25 $1,919,000
10568202 Tamper-respondent assembly with interconnect characteristic(s) obscuring circuit layout James A. Busby, John R. Dangler, Michael J. Fisher 2020-02-18 $2,353,000
10531561 Enclosure-to-board interface with tamper-detect circuit(s) Kathleen Ann Fadden, James A. Busby, John R. Dangler, Alexandra Echegaray, Michael J. Fisher +1 more 2020-01-07 $1,754,000
10395067 Method of fabricating a tamper-respondent sensor assembly William L. Brodsky, John R. Dangler, Phillip Duane Isaacs, Michael T. Peets 2019-08-27 $1,335,000