Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849146 | Method for producing pyrolytic boron nitride article | Hiroaki Tanji, Masaharu Suzuki, Kenji Nomura, Shojiro Watanabe | 1989-07-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849146 | Method for producing pyrolytic boron nitride article | Hiroaki Tanji, Masaharu Suzuki, Kenji Nomura, Shojiro Watanabe | 1989-07-18 |