Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6221966 | Vinyl chloride resin composition | Yasushi Nakanishi, Mamoru Kadokura, Akira Takaki, Yasuhiro Miki | 2001-04-24 |
| 6140417 | Vinyl chloride resin composition | Yasushi Nakanishi, Mamoru Kadokura, Akira Takaki, Yasuhiro Miki | 2000-10-31 |