Learn more

IVL TECHNOLOGIES LTD

Overview
  • Total Patents
    26
About

IVL TECHNOLOGIES LTD has a total of 26 patent applications. Its first patent ever was published in 1986. It filed its patents most often in United States, Australia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets consumer goods, computer technology and digital networks are AMUSETEC CO LTD, MATSUYA SOGO KENKYUSHO KK and COUPLEUX EDOUARD ELOI.

Patent filings per year

Chart showing IVL TECHNOLOGIES LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gibson Brian C 12
#2 Gibson Brian Charles 11
#3 Jubien Christopher Michael 7
#4 Roden Brian John 7
#5 Bertsch John P 7
#6 Shpak Dale John 4
#7 Lupini Peter Ronald 4
#8 Bertsch John Paul 3
#9 Lupini Peter 2
#10 Fort Andrew 2

Latest patents

Publication Filing date Title
WO02101717A2 Pitch candidate selection method for multi-channel pitch detectors
US6738445B1 Method and apparatus for changing the frequency content of an input signal and for changing perceptibility of a component of an input signal
US6336092B1 Targeted vocal transformation
US6046395A Method and apparatus for changing the timbre and/or pitch of audio signals
US5567901A Method and apparatus for changing the timbre and/or pitch of audio signals
AU3880993A Musical entertainment system
CA2090948A1 Musical entertainment system
US5428708A Musical entertainment system
US5231671A Method and apparatus for generating vocal harmonies
US4688464A Pitch detection apparatus