Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7093432 | Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine | Osamu Kuroda, Ryouta Doi, Hidehiro Iizuka, Toshio Ogawa, Hisao Yamashita +6 more | 2006-08-22 |
| 6596247 | Method for purifying exhaust gas from internal combustion engines | Hidehiro Iizuka, Ryouta Doi, Toshio Ogawa, Osamu Kuroda, Hisao Yamashita +3 more | 2003-07-22 |
| 6397582 | Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine | Osamu Kuroda, Ryouta Doi, Hidehiro Iizuka, Toshio Ogawa, Hisao Yamashita +6 more | 2002-06-04 |
| 6161378 | Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas internal combustion engine | Osamu Kuroda, Ryouta Doi, Hidehiro Iizuka, Toshio Ogawa, Hisao Yamashita +6 more | 2000-12-19 |
| 6045764 | Exhaust gas purifying method and catalyst used therefor | Hidehiro Iizuka, Osamu Kuroda, Toshio Ogawa, Hisao Yamashita, Shigeru Azuhata +7 more | 2000-04-04 |
| 5972828 | Method of manufacturing catalyst for cleaning exhaust gas released from internal combustion engine, and catalyst for the same | Ryouta Doi, Hidehiro Iizuka, Toshio Ogawa, Osamu Kuroda, Hisao Yamashita +2 more | 1999-10-26 |
| 5968870 | Catalyst for purifying exhaust gas from internal combustion engine and purifying method thereof | Hidehiro Iizuka, Ryouta Doi, Toshio Ogawa, Osamu Kuroda, Hisao Yamashita +3 more | 1999-10-19 |
| 5581477 | Granulation water control apparatus for granulating machine used in granular fertilizer production process and its granulation water control method | — | 1996-12-03 |
| 5319563 | Automatic loading amount control apparatus for granular compound fertilizer material | Kazutoyo Kawashima | 1994-06-07 |
| 5305230 | Process control system and power plant process control system | Hiroshi Matsumoto, Makoto Shimoda, Masahide Nomura, Tadayoshi Saito, Hiroshi Yokoyama +3 more | 1994-04-19 |
| 5140739 | Spindle unit and tool clamping device therein for machine tools | Yoshinori Yamaguchi, Kentaro Shino, Kiyoshi Inada | 1992-08-25 |
| 5090719 | Four wheel steering trailer | — | 1992-02-25 |
| 4684257 | Measuring instrument | Sadayuki Matsumiya | 1987-08-04 |
| 4655466 | Cart | — | 1987-04-07 |