Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7811546 | Aluminum hydroxide aggregated particles, process for producing the same, vessel used therefor, and process for producing aluminum hydroxide powder | Masashi Wada, Naoyuki Eguchi, Hirofumi Sasaki | 2010-10-12 |
| 7704465 | Aluminum hydroxide aggregated particles producing vessel | Masashi Wada, Naoyuki Eguchi, Hirofumi Sasaki | 2010-04-27 |
| 6382538 | Method for manufacturing aluminum hydroxide powder | Satoru Nippa, Toshiyuki Mizoe | 2002-05-07 |
| 4426363 | Process for extracting alumina from aluminous ores | Koichi Yamada, Takuo Harato, Yasumi Shiozaki | 1984-01-17 |
| 4421615 | Process for producing metallic gallium | Koichi Yamada, Takuo Harato, Yasuo Shinya | 1983-12-20 |
| 4364919 | Process for producing coarse grains of aluminum hydroxide | Koichi Yamada, Takuo Harato, Yasumi Shiozaki | 1982-12-21 |
| 4311486 | Process for producing coarse grains of aluminum hydroxide | Koichi Yamada, Takuo Harato, Yasumi Shiozaki | 1982-01-19 |
| 4263261 | Method for the removal of impurities from sodium aluminate solution | Koichi Yamada, Takuo Harato | 1981-04-21 |
| 4215094 | Method for the removal of organic substances from alkali metal aluminate solution | Jun-ichi Inao, Koichi Yamada, Takuo Harato | 1980-07-29 |
| 4201749 | Method for the separation of precipitated aluminum hydroxide from sodium aluminate solution | Koichi Yamada, Takuo Harato | 1980-05-06 |