Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8910794 | Method for removing metal pieces from gypsum board wastes | Shingo Hiranaka | 2014-12-16 |
| 8137503 | Stripping liquid for use in separating paper from plaster/paper laminate | Shingo Hiranaka | 2012-03-20 |
| 7662229 | Cement setting accelerator | Hiroyoshi Kato, Shingo Hiranaka | 2010-02-16 |
| 5707960 | Amorphous sodium silicate-metal sulfate composite powder | Yoshiki Fukuyama | 1998-01-13 |
| 5510096 | Amorphous sodium silicate powder | Yoshiki Fukuyama | 1996-04-23 |
| 5336477 | Process for producing a composite alkali metal oxide | Yoshiaki Koga | 1994-08-09 |
| 5262142 | Composite oxide of formula R.sub.2 O.Al.sub.2 O.sub.3.TiO.sub.2.SiO.sub.2.H.sub.2 O, where R is an alkali metal | Yoshiaki Koga | 1993-11-16 |
| 5166107 | Process for preparation of anorthite sintered body | Masaki Noritake, Masami Enokuchi | 1992-11-24 |
| 5036030 | Process for preparation of alkaline earth metal aluminosilicate sintered body | Masaki Noritake, Masahiro Nakamura, Hua Zhang | 1991-07-30 |
| 4321161 | Liquid-absorbing shaped body | Yoshiaki Watanabe, Takanori Teshima | 1982-03-23 |
| 4294810 | Alkali calcium silicates and process for preparation thereof | Teruo Oikawa, Yoshiaki Watanabe | 1981-10-13 |
| 4277457 | Alkali calcium silicates and process for preparation thereof | Teruo Oikawa, Yoshiaki Watanabe | 1981-07-07 |
| 4226636 | Production of calcium silicate having high specific bulk volume and calcium silicate-gypsum composite | Yukio Mizutani, Yoshiaki Watanabe | 1980-10-07 |