Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5447561 | Pigment-dispersed resin composition | Naoki Chiba, Koichiro Sagawa | 1995-09-05 |
| 5429899 | Magnetic materials | Naoki Chiba, Koichiro Sagawa, Yasuhiro Kimura | 1995-07-04 |
| 5421864 | Agent for filler surface treatment in water | Naoki Chiba, Koichiro Sagawa | 1995-06-06 |
| 4343732 | Stabilized halogen-containing resin compositions | Koji Takeuchi, Masuo Yukutomi, Fumiyuki Ito | 1982-08-10 |
| 4218261 | Retarder for gypsum plaster and a process for retarding the setting of gypsum plaster by the use thereof | Koji Takeuchi, Shizuo Iwai | 1980-08-19 |