Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5468516 | Process for producing nonionic detergent granules | Hiroyuki Yamashita, Hiroyuki Kondo, Kouichi Hatano, Katsunori Nakano, Kouji Toyoda | 1995-11-21 |
| 4338141 | Formation of zinc phosphate coating on metallic surface | Ryoichi Murakami, Kiyotada Yasuhara, Masashi Takahashi | 1982-07-06 |
| 4311535 | Composition for forming zinc phosphate coating over metal surface | Kiyotada Yasuhara, Masashi Takahashi, Ryoichi Murakami | 1982-01-19 |