Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6525105 | METHODS OF SEPARATING VULCANIZED OR UNVULCANIZED RUBBER AND SEPARATING RUBBER COMPOSITE, RUBBER COMPOSITION CONTAINING RECOVERED RUBBER OR RECOVERED CARBON BLACK, AND PROCESS FOR PRODUCING CARBON BLACK | Susumu Ashizawa | 2003-02-25 |
| 5041689 | Method of recovering L-quebrachitol from rubber latex serums | Morihisa Machida, Seiichiro Ogawa | 1991-08-20 |
| 4304113 | Process of making plated wire for reinforcing rubber goods | Masamitsu Takei, Kunihiko Kataoka, Shunichi Harada, Kozo Tsunoyama | 1981-12-08 |