Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6960670 | Method for production of maleic anhydride | Tadayoshi Kawashima, Yoshitake Ishii, Kei Hamamoto, Tetsuya Kajihara | 2005-11-01 |
| 5072018 | Method for production of cyclohexanecarboguanamine | Hidetaka Yatagai, Osamu Kaieda, Jiro Iriguchi, Tsuguo Takaya | 1991-12-10 |
| 4983710 | Method for production of methylolaminotriazine condensates based on cyclohexanecarboguanamine | Hidetaka Yatagai, Jiro Iriguchi, Tsuguo Takaya | 1991-01-08 |
| 4973689 | Method for production of cyclohexanecarboguanamine | Hidetaka Yatagai, Osamu Kaieda, Jiro Iriguchi, Tsuguo Takaya | 1990-11-27 |