Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358833 | Amorphous phthalocyanine compound or mixture of amorphous phthalocyanine compounds, and method for preparing same | Hisato Itoh, Takahisa Oguchi, Kenichi Sugimoto | 1994-10-25 |
| 5350843 | Halogenated phthalocyanine compound, method for preparing same | Hisato Itoh, Takahisa Oguchi, Kenichi Sugimoto | 1994-09-27 |
| 5334714 | Method for preparing alkoxyphthalocyanine | Takahisa Oguchi, Kenichi Sugimoto, Hisato Itoh, Mansuke Matsumoto, Toshihiro Masaoka +1 more | 1994-08-02 |
| 5280114 | Halogenation of alkoxyphthalocyanine | Hisato Itoh, Takahisa Oguchi | 1994-01-18 |