Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599626 | Melamine-coated ammonium polyphosphate | Masuo Iwata, Noriaki Narita, Kouji Inoue, Ryoji Takahashi | 1997-02-04 |
| 5534291 | Process for producing a melamine-coated ammonium polyphosphate | Masuo Iwata, Noriaki Narita, Kouji Inoue, Ryoji Takahashi | 1996-07-09 |
| 5213783 | Process for producing finely divided particles of II type ammonium polyphosphate | Kouji Inoue, Masuo Iwata, Noriaki Narita, Masaya Tanaka | 1993-05-25 |
| 4610853 | Process for producing purified monoammonium phosphate from wet process phosphoric acid | Taizo Kajitani, Shigeo Fujii, Tadao Sato, Ikuo Yonehara, Kenji Harita | 1986-09-09 |
| 4610862 | Process for producing purified diammonium phosphate from wet process phosphoric acid | Taizo Kajitani, Shigeo Fujii, Tadao Sato, Ikuo Yonehara, Kenji Harita | 1986-09-09 |