Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5975165 | Refueling nozzle | Zenjiro Odera | 1999-11-02 |
| 5934507 | Refueling machine having no electrically actuated means in an explosive area | — | 1999-08-10 |
| 5817727 | Polymer films for detecting chemical substances | Werner Prass, Thomas Stehlin, Yuan Liu, Shizuo Ogura, Tetsu Yamamoto +1 more | 1998-10-06 |
| 5783836 | Optical sensor apparatus for detecting vapor of organic solvent | Yuan Liu, Tetsu Yamamoto, Christoph Roth, Masayuki Arai, Hans-Ulrich Simmrock | 1998-07-21 |
| 5665844 | Polymer films for detecting chemical substances | Werner Prass, Thomas Stehlin, Yuan Liu, Shizuo Ogura, Tetsu Yamamoto +1 more | 1997-09-09 |
| 5644069 | Sensor for distinguishing fuel vapors | Yuan Liu, Christoph Roth, Tetsu Yamamoto, Masayuki Arai | 1997-07-01 |
| 5640234 | Optical sensor for detection of chemical species | Christoph Roth, Yuan Liu, Werner Prass, Tetsu Yamamoto | 1997-06-17 |
| 5563707 | Interference enhanced optical sensor for detecting chemical species | Werner Prass, Thomas Stehlin, Yuan Liu, Shizuo Ogura, Akihiko Tokida +1 more | 1996-10-08 |