Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39105 | Polymethine compounds, method of producing same, and use thereof | Shigeo Fujita, Nobuaki Sasaki, Keiki Chichiishi | 2006-05-23 |
| 6716993 | Polymethine compound and near-infrared absorbing material comprising same | Nobuaki Sasaki, Keiki Chichiishi, Shigeo Fujita | 2004-04-06 |
| 6342335 | Polymethine compounds, method of producing same, and use thereof | Shigeo Fujita, Nobuaki Sasaki, Keiki Chichiishi | 2002-01-29 |
| 6261737 | Polymethine compounds, method of producing same, and use thereof | Shigeo Fujita, Nobuaki Sasaki | 2001-07-17 |
| 5110952 | Method of producing 3-dibutylamino 6-methyl-7-anilinofluoran | Hiroaki Harada | 1992-05-05 |
| 4523018 | Certain bis(benzoyl)pyridine compounds | Yojiro Kumagae | 1985-06-11 |