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USPTO Patent Rankings Data through Dec 31, 2025
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Steven Joel Diffenderfer — 5 Patents

IBM: 5 patents #18,770 of 70,183Top 30%
Deposit, NY: #3 of 9 inventorsTop 35%
New York: #27,005 of 115,490 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Steven Joel Diffenderfer has been granted 5 US patents while listed as an inventor at IBM. The first was granted in 1996 and the most recent in August 2000. Steven Joel Diffenderfer ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Steven Joel Diffenderfer in Deposit, NY, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6107121 Method of making interconnections between a multi-layer chip stack to a printed circuit board in a ceramic package Stephen W. MacQuarrie 2000-08-22 $30,771,000
5872397 Semiconductor device package including a thick integrated circuit chip stack Stephen W. MacQuarrie 1999-02-16 $10,802,000
5814877 Single layer leadframe design with groundplane capability Hussain Shaukatullah 1998-09-29 $18,461,000
5639694 Method for making single layer leadframe having groundplane capability Hussain Shaukatullah 1997-06-17 $15,640,000
5543657 Single layer leadframe design with groundplane capability Hussain Shaukatullah 1996-08-06 $6,901,000