Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296162 | Near infrared absorbers and display/recording materials using the same | Katashi Enomoto, Takahisa Oguchi, Tutomu Nishizawa | 1994-03-22 |
| 5279744 | Method for purification of an amino acid using ion exchange resin | Katsumi Toide, Masao Ikeda | 1994-01-18 |