Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829096 | Breathable film and process for production of the same | Shuji Kitamura, Kiyohiko Nakae, Kozo Kotani | 1989-05-09 |
| 4826729 | Insect pest-repelling film or sheet | Shuji Kitamura, Kiyohiko Nakae, Kozo Kotani, Hideo Negawa, Tsuneta Ikeda | 1989-05-02 |