Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881474 | Pulverized coal combustion apparatus | Osamu Okada, Shigeki Morita, Shigeto Nakashita, Tadahisa Masai, Hiroshi Inada | 1989-11-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881474 | Pulverized coal combustion apparatus | Osamu Okada, Shigeki Morita, Shigeto Nakashita, Tadahisa Masai, Hiroshi Inada | 1989-11-21 |