{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "The Variable Speech Control (Vsc)", "item": "https://www.patentleaderboard.com/company/the-variable-speech-control-vsc"}, {"@type": "ListItem", "position": 3, "name": "Irwin H. Kornfeld", "item": "https://www.patentleaderboard.com/inventor/fl:ir_ln:kornfeld-1"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › The Variable Speech Control (Vsc) › Irwin H. Kornfeld
IK

Irwin H. Kornfeld — 3 Patents

T(The Variable Speech Control (Vsc): 3 patents #1 of 7Top 15%
Brooklyn, NY: #1,897 of 6,894 inventorsTop 30%
New York: #38,631 of 115,490 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Irwin H. Kornfeld has been granted 3 US patents while listed as an inventor at The Variable Speech Control (Vsc). All of these patents were granted in 1983. Irwin H. Kornfeld ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Irwin H. Kornfeld in Brooklyn, NY, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4417103 Stereo reproduction with gapless splicing of pitch altered waveforms William G. Eppler, Jr., Michael Klasco 1983-11-22
4415772 Gapless splicing of pitch altered waveforms William G. Eppler, Jr., Michael Klasco, Rex Nathanson 1983-11-15
4406001 Time compression/expansion with synchronized individual pitch correction of separate components Michael Klasco 1983-09-20

Frequent Collaborators

Michael Klasco3 shared
William G. Eppler, Jr.2 shared
Rex Nathanson1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3