Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5252297 | Process for producing carbon black and apparatus therefor | — | 1993-10-12 |
| 5230878 | Carbon black for tire tread rubber | Fumio Takemura | 1993-07-27 |
| 5100637 | Carbon black for compounding into tire tread rubber | — | 1992-03-31 |
| 5069892 | Carbon black for tire tread | — | 1991-12-03 |
| 4973463 | Carbon black for tire tread | — | 1990-11-27 |
| 4786677 | Rubber composition containing a carbon black particles having two modal diameters in the aggregate | Masahiko Mito | 1988-11-22 |
| 4784695 | Carbon black for blending in rubber | Masahiko Mito | 1988-11-15 |