Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5851682 | Polyolefin resin composition and resin film | Kozo Kotani, Taiichi Sakaya, Makoto Nakagahara, Aki Kudo | 1998-12-22 |
| 5256473 | Infrared absorbing film improved in transparency | Kozo Kotani | 1993-10-26 |
| 5110860 | Agricultural film | Kozo Kotani, Taiichi Sakaya | 1992-05-05 |
| 4920692 | Mulching film for repelling insect pests | Shuji Kitamura, Kiyohiko Nakae, Kozo Kotani, Takanori Kume | 1990-05-01 |
| 4826729 | Insect pest-repelling film or sheet | Shuji Kitamura, Kiyohiko Nakae, Kozo Kotani, Takanori Kume, Tsuneta Ikeda | 1989-05-02 |