Yuan Liu — 8 Patents at Hoechst Gmbh

Yuan Liu has been granted 8 US patents while listed as an inventor at Hoechst Gmbh. The first was granted in 1996 and the most recent in September 2017. Yuan Liu ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Yuan Liu in Kawagoe, TN, JP.

Patents per Year

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9758374	Centrifuge MEMS stiction detection and screening system and method	Raymond Merrill, Jr., Dave Paul Jensen	2017-09-12
6277330	Optical sensor for detecting chemical substances dissolved or dispersed in water	Hironobu Yamamoto, Akihiro Tagaya	2001-08-21
5817727	Polymer films for detecting chemical substances	Werner Prass, Thomas Stehlin, Shizuo Ogura, Tetsu Yamamoto, Akihiko Tokida +1 more	1998-10-06	$616,000
5783836	Optical sensor apparatus for detecting vapor of organic solvent	Kenji Motosugi, Tetsu Yamamoto, Christoph Roth, Masayuki Arai, Hans-Ulrich Simmrock	1998-07-21	$2,844,000
5665844	Polymer films for detecting chemical substances	Werner Prass, Thomas Stehlin, Shizuo Ogura, Tetsu Yamamoto, Akihiko Tokida +1 more	1997-09-09
5644069	Sensor for distinguishing fuel vapors	Kenji Motosugi, Christoph Roth, Tetsu Yamamoto, Masayuki Arai	1997-07-01
5640234	Optical sensor for detection of chemical species	Christoph Roth, Werner Prass, Tetsu Yamamoto, Kenji Motosugi	1997-06-17
5563707	Interference enhanced optical sensor for detecting chemical species	Werner Prass, Thomas Stehlin, Shizuo Ogura, Kenji Motosugi, Akihiko Tokida +1 more	1996-10-08