Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840705 | Papermaking method | Hisao Ikeda, Fumio Suzuki, Yoshitane Watanabe, Yasuhiro Takahashi, Hirosi Murakami +1 more | 1989-06-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840705 | Papermaking method | Hisao Ikeda, Fumio Suzuki, Yoshitane Watanabe, Yasuhiro Takahashi, Hirosi Murakami +1 more | 1989-06-20 |