Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329182 | Granular stabilizer for chlorine-containing polymers | Yujiro Sugahara, Hiroyuki Naito, Hisashi Tuchida | 1982-05-11 |
| 4324768 | Process for preparation of lead compounds | Yujiro Sugahara, Hiroyuki Naito, Takashi Mori, Toshio Honma | 1982-04-13 |