Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4455259 | Process for recovering animal hair grease | Ken Kazama, Ikuo Muramoto, Kenji Ozaki, Hideyuki Fujii | 1984-06-19 |
| 4343619 | Method of preparing a scoured animal hair material | Ken Kazama, Ikuo Muramoto, Kenji Ozaki | 1982-08-10 |