Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5059726 | Process for producing tetrabromobisphenol A | Hisao Eguchi, Masashige Kubo, Koji Kunimoto, Masakatsu Sato, Hanzo Tamabayashi | 1991-10-22 |
| 5008469 | Process for producing tetrabromobisphenol A | Hisao Eguchi, Masashige Kubo, Koji Kunimoto, Masakatsu Sato, Hanzo Tamabayashi | 1991-04-16 |
| 4990321 | Method for recovering hydrobromic acid and methanol | Masakatsu Sato, Hanzo Tamabayashi | 1991-02-05 |