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STUDER WILLI AG

Overview
  • Total Patents
    69
About

STUDER WILLI AG has a total of 69 patent applications. Its first patent ever was published in 1983. It filed its patents most often in EPO (European Patent Office), United States and Japan. Its main competitors in its focus markets audio-visual technology, basic communication technologies and medical technology are BORDIGNON ABRAMO, OPTICORD INC and SYQUEST TECHNOLOGY.

Patent filings in countries

World map showing STUDER WILLI AGs patent filings in countries

Patent filings per year

Chart showing STUDER WILLI AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zwicky Paul 11
#2 Lagadec Roger Dr 10
#3 Lagadec Roger 10
#4 Piot Julien 6
#5 Thie Werner 5
#6 Schmid Johann Jakob 4
#7 Yohan Jiyakobu Shiyumitsudo 3
#8 Brandes Claudia 3
#9 Gaskell Philip S 3
#10 Mcnally Guy W W 3

Latest patents

Publication Filing date Title
EP0416324A2 Magnetic recording medium
EP0282779A1 Method and device for processing sequences of sampled values which are recorded on a record carrier
EP0278215A1 Method and device for processing signals from a physiologically generated electric field
EP0256335A1 Recording of audio signals
EP0253215A1 Method and apparatus for processing pulses of a signal which is distorted during transmission
EP0249069A1 Method and device for the conversion of a digital signal
EP0236685A1 Method and device to control the number of revolutions of an electric motor operating in four quadrants
EP0221324A1 Signal transducer
EP0214541A2 Device for digitizing an analogous signal
EP0214523A2 Device for digitalizing measured signals
EP0212528A2 Method of determining the beginning and the end of a three-dimensional signal displayed as a closed loop
EP0208907A1 Magnetic system for a dynamic loudspeaker
CH670913A5 Dual track magnetic recording with cross-talk compensation - adding reduced amplitude signal of opposing polarity to recording signal
CH670020A5 Signal synchronising phase-lock circuit - has frequency divider for output signal reset in synchronism with signal flanks of input signal
EP0185217A1 Damper element
CH668331A5 Magnetic head core mfr. from stack of laminations - involves linear machining of patterns from adhesively bonded and rolled sandwich of permeable and non-permeable layers
US4780892A Scanning frequency synchronization method and apparatus
EP0175941A2 Device and method for making and optionally compensating a temporary relation between digital signal sequences
CH670018A5 Collectorless DC motor using permanent magnet rotor - has alternating rotor poles arranged in two peripheral paths containing related pole numbers
EP0166210A2 Erasing method