Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5992904 | Branch pipe joint for high-pressure fluids | Eiji Watanabe | 1999-11-30 |
| 5979945 | Common rail | Eiji Watanabe | 1999-11-09 |
| 5380501 | Exhaust gas cleaning device | Haruo Serizawa | 1995-01-10 |
| 5374402 | Metal-made honeycomb carrier body | Haruo Serizawa | 1994-12-20 |
| 5265793 | Small thick-walled composite metal tubing and process of producing the same | Masayoshi Usui, Seiya Takahata | 1993-11-30 |
| 5177960 | Metal-made carrier body for exhaust gas | Haruo Serizawa | 1993-01-12 |
| 5173471 | Exhaust gas cleaning device | Masayoshi Usui | 1992-12-22 |
| 5163291 | Metal-made carrier body for exhaust gas cleaning catalyst | Haruo Serizawa | 1992-11-17 |
| 5137696 | Exhaust gas cleaning device | Haruo Serizawa | 1992-08-11 |
| 5110561 | Exhaust gas cleaning device | Haruo Serizawa | 1992-05-05 |
| 5094821 | Exhaust gas cleaning device | Haruo Serizawa | 1992-03-10 |
| 5050790 | Process for the fabrication of metal-made carrier body for exhaust gas cleaning catalyst | Kazunori Takikawa | 1991-09-24 |
| 4987034 | High-efficiency metal-made carrier body for exhaust gas cleaning catalyst | Kazunori Takikawa | 1991-01-22 |
| 4857500 | Method for manufacturing the metallic carrier base material for maintaining a catalyst for exhaust gas purification | Haruo Serizawa | 1989-08-15 |
| 4853360 | Method for manufacturing the metallic carrier base material for maintaining a catalyst for exhaust gas purification | — | 1989-08-01 |