Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363878 | Alkali- and heat-resistant inorganic fiber | Keishin Takehara, Yutaka Yasiro | 1982-12-14 |
| 4339318 | Oxygen gas analyzing device | Takeo Tanaka | 1982-07-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363878 | Alkali- and heat-resistant inorganic fiber | Keishin Takehara, Yutaka Yasiro | 1982-12-14 |
| 4339318 | Oxygen gas analyzing device | Takeo Tanaka | 1982-07-13 |