Issued Patents All Time
Showing 76–79 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5568417 | Fluorescent method, fluorescent device, fluorescent recording method, flourescent recording media, fluorescent record reading method, fluorescent record reading device and fluorescent record deleting device | Lyong-Sun Pu | 1996-10-22 |
| 5411709 | Gas detector | Lyong-Sun Pu | 1995-05-02 |
| 5139913 | Photosensor having a monomolecular membranes of squarylium pigment | Suk Kim, Lyong-Sun Pu | 1992-08-18 |
| 5030009 | Optical gas sensor | Itsuro Ando, Lyong-Sun Pu | 1991-07-09 |