Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343619 | Method of preparing a scoured animal hair material | Ken Kazama, Kenji Ozaki, Yoshinobu Kusunoki | 1982-08-10 |
| 4312633 | Method for recovering 1,1,1-trichloroethane from textile materials | Ken Kazama, Yasunaga Katsumata | 1982-01-26 |