Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364919 | Process for producing coarse grains of aluminum hydroxide | Takuo Harato, Hisakatsu Kato, Yasumi Shiozaki | 1982-12-21 |
| 4344904 | Sintering method of zirconia | Yasuo Shinya | 1982-08-17 |
| 4311486 | Process for producing coarse grains of aluminum hydroxide | Takuo Harato, Hisakatsu Kato, Yasumi Shiozaki | 1982-01-19 |