Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5125935 | Method for efficiently obtaining an adsorbable gas from a gas containing a low concentration of the adsorbably gas | Masashi Murata, Masaaki Shimizu | 1992-06-30 |
| 4698379 | Magnesium hydroxide, process for its production and resin composition containing it | Kunio Tanaka, Fukuo Kanno, Mitaka Kobayashi | 1987-10-06 |
| 4695445 | Magnesium hydroxide and process for its production | Kunio Tanaka | 1987-09-22 |
| 4693872 | Process for producing highly pure magnesium hydroxide | Kunio Tanaka | 1987-09-15 |
| 4673558 | Method for treating a waste gas | Makoto Senoue, Kunihiko Terase | 1987-06-16 |
| 4652437 | Process for producing anhydrous sodium carbonate | Kunio Tanaka, Koichi Yokoyama | 1987-03-24 |
| 4615831 | Fire retardant polyolefin composition | Fukuo Kanno | 1986-10-07 |
| 4521397 | Process for producing calcium hypochlorite hydrate crystals | Kunio Sato | 1985-06-04 |
| 4491571 | Process for producing hydrogen fluoride | Kaichiro Suzuki, Tomohiro Gotoh, Masayuki Kitasako, Masaharu Iwasaki | 1985-01-01 |
| 4406869 | Process for producing anhydrous sodium carbonate crystal | Kohji Kawanami, Suekazu Hirata | 1983-09-27 |
| 4405592 | Process for producing anhydrous sodium carbonate crystal | Kohji Kawanami, Suekazu Hirata | 1983-09-20 |
| RE30411 | Process for purifying sodium hydroxide | Suekazu Hirata, Kunio Sato | 1980-10-07 |
| 4217330 | Apparatus for production of sodium bicarbonate | Kimihiko Sato, Kenji Konishi | 1980-08-12 |