Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6682650 | Zeolite catalyst carrier and hydrogenation catalyst using same | Yasuhiro Araki, Yasuo Miki, Hiromichi Shimada | 2004-01-27 |
| 5391278 | Process for removal of hydrogen sulfide | Hiroshi Noguchi, Hiroshi Iida, Masayuki Goto | 1995-02-21 |
| 4990691 | Higher carboxylic acid triester of adamantane triol and lubricating oil containing the same | Hiromichi Seiki | 1991-02-05 |
| 4963292 | Higher carboxylic acid triester of adamantane triol and lubricating oil containing the same | Hiromichi Seiki | 1990-10-16 |
| 4443552 | Catalysts for the catalytic cracking of heavy oil | Hiroshi Iida, Akira Iino | 1984-04-17 |