Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358833 | Amorphous phthalocyanine compound or mixture of amorphous phthalocyanine compounds, and method for preparing same | Hisato Itoh, Shin Aihara, Kenichi Sugimoto | 1994-10-25 |
| 5350843 | Halogenated phthalocyanine compound, method for preparing same | Hisato Itoh, Shin Aihara, Kenichi Sugimoto | 1994-09-27 |
| 5334714 | Method for preparing alkoxyphthalocyanine | Kenichi Sugimoto, Shin Aihara, Hisato Itoh, Mansuke Matsumoto, Toshihiro Masaoka +1 more | 1994-08-02 |
| 5296162 | Near infrared absorbers and display/recording materials using the same | Hisao Itoh, Katashi Enomoto, Tutomu Nishizawa | 1994-03-22 |
| 5280114 | Halogenation of alkoxyphthalocyanine | Hisato Itoh, Shin Aihara | 1994-01-18 |