Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820300 | CO.sub.2 sea bottom throw-away system | Keisuke Sonoda, Yuichi Fujioka, Osamu Tsukamoto | 1998-10-13 |
| 5544491 | Abyssal casting apparatus for liquefied carbonated gas | Keisuke Sonoda, Hiroshi Kikuchi, Osamu Tsukamoto, Masao Komatsu, Koetsu Asai | 1996-08-13 |
| 4486311 | Method for effective combined use of gels having different activities | Shigeru Nakajima | 1984-12-04 |
| 4474663 | Method of regenerating gels for use in liquid chromatography | Shigeru Nakajima | 1984-10-02 |
| 4248812 | Process for producing a rush-like structure | Toshiyuki Kobashi, Noboru Abe | 1981-02-03 |
| 4237256 | Process for producing an acrylonitrile polymer melt | Toshiyuki Kobashi, Noboru Abe | 1980-12-02 |