Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6171370 | Adsorbent for separating gases | Shigeru Hirano, Toru Nishimura, Keiji Yoshimura | 2001-01-09 |
| 4650906 | Process for recovering ethyleneamines from aqueous solution of ethyleneamine carbonates | Tsugio Murakami | 1987-03-17 |
| 4261202 | Apparatus for determining carbon contents in molten metal | Hiroyuki Nakashima, Yozo Takemura, Kaname Ohno | 1981-04-14 |