Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8835566 | Rubber composition for vulcanization | Shigeru Shoji, Toyofumi Otaka, Toshiyuki Funayama | 2014-09-16 |
| 8283039 | Vulcanized rubber laminate | Toshiyuki Funayama, Shigeru Shoji, Toyofumi Otaka | 2012-10-09 |
| 8258222 | Composition for vulcanized rubber and vulcanization product | Toyofumi Otaka, Shigeru Shoji, Toshiyuki Funayama | 2012-09-04 |