Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622013 | Structure of multipurpose suspended roof arena capable of changing space volume and construction method thereof | Shigeru Ban, Arata Yoshida, Masahiro Hanyu, Takeshi Miyazaki, Seiichi Muramatsu +2 more | 1997-04-22 |
| 5620787 | Organopolysiloxane emulsions and fibers coated therewith | Isao Ona, Toshio Saruyama, Masahiko Suzuki | 1997-04-15 |
| 5595675 | Fiber treatment compositions | Takayuki Aso, Isao Ona | 1997-01-21 |