Harthmuth Buczek — 8 Patents at Logitech

Harthmuth Buczek has been granted 8 US patents while listed as an inventor at Logitech. The first was granted in 1983 and the most recent in April 2003. Harthmuth Buczek ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Harthmuth Buczek in Erding, DE.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6545828	Optical device with absorption gradient and selective spectral filtering and lens assembly and camera fitted with such a device	Joachim Grupp	2003-04-08
6218659	Dual layer optical ball for pointing device	Marc Bidiville, Eric Peter Raeber, Javier Arreguit, Floris A. Van Shaik, Francois Bauduin +1 more	2001-04-17	$771,000
6124587	Pointing device utilizing a photodetector array	Marc Bidiville, Eric Peter Raeber, Javier Arreguit, Floris A. Van Shaik, Francois Bauduin +1 more	2000-09-26	$2,096,000
5854482	Pointing device utilizing a photodector array	Marc Bidiville, Eric Peter Raeber, Javier Arreguit, Floris A. Van Shaik, Francois Bauduin +1 more	1998-12-29	$96,000
5703356	Pointing device utilizing a photodetector array	Marc Bidiville, Eric Peter Raeber, Javier Arreguit, Floris A. Van Shaik, Francois Bauduin +1 more	1997-12-30	$243,000
5578817	Pointing device utilizing a photodetector array and controlled by a human finger contacting a prism	Marc Bidiville, Eric Peter Raeber, Javier Arreguit, Floris A. Van Shaik, Francois Bauduin +1 more	1996-11-26
5288993	Cursor pointing device utilizing a photodetector array with target ball having randomly distributed speckles	Marc Bidiville, Javier Arreguit, Floris A. Van Shaik, Bernard Steenis, Fabien Droz-dit-Busset +1 more	1994-02-22
4417809	Pattern scanning device for copying machines	Joachim Notzel, Anton Schatz, Gunther Kirchhof	1983-11-29

Harthmuth Buczek — 8 Patents

Issued Patents All Time

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