Issued Patents All Time
Showing 26–50 of 172 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5950593 | Gas engine with pre-combustion chamber | Hiroshi Matsuoka, Kenrou Nakashima | 1999-09-14 |
| 5943859 | Natural gas reforming apparatus, oxygen eliminating apparatus provided in the same apparatus, and natural gas reforming apparatus-carrying gas engine | — | 1999-08-31 |
| 5881990 | Vibration and sound isolation device for a cogeneration system with an engine | — | 1999-03-16 |
| 5881559 | Hybrid electric vehicle | — | 1999-03-16 |
| 5846644 | Low friction engine cylinder and production method therefor | Hideki Kita, Yasuaki Unno | 1998-12-08 |
| 5834736 | Glow plug with porous PTC element impregnated with metal therein | — | 1998-11-10 |
| 5826558 | Control unit for high-compression ratio engines using vaporizing fuels | — | 1998-10-27 |
| 5820833 | Exhaust gas purifier | — | 1998-10-13 |
| 5811761 | Ceramic sheath device with multilayer silicon nitride filler insulation | Hideki Kita, Hisataka Numao | 1998-09-22 |
| 5809777 | Diesel particulate filter apparatus | — | 1998-09-22 |
| 5780811 | Electrically heated diesel particulate filter | — | 1998-07-14 |
| 5771855 | Damage detecting apparatus for ceramic parts | — | 1998-06-30 |
| 5738061 | Engine having sound absorption structures on the outer sides of combustion chambers | — | 1998-04-14 |
| 5727519 | Low evaporativity fuel diesel engine | — | 1998-03-17 |
| 5715787 | Internal-combustion engine having a pre-combustion chamber | — | 1998-02-10 |
| 5696348 | Thermocouple structure | Hideki Kita | 1997-12-09 |
| 5682740 | Diesel particulate filter apparatus | — | 1997-11-04 |
| 5655366 | Diesel particulate filter | — | 1997-08-12 |
| 5651250 | Diesel particulate filter apparatus | — | 1997-07-29 |
| 5651248 | Diesel particulate filter apparatus | — | 1997-07-29 |
| 5650796 | Matrix liquid crystal display having function to correct viewing angle | Yoshio Owaki, Junichi Ohwada, Yukihiro Sato | 1997-07-22 |
| 5645028 | Piston structure with a combustion chamber | Hiroshi Matsuoka | 1997-07-08 |
| 5620490 | Diesel particulate filter apparatus | — | 1997-04-15 |
| 5611832 | Diesel particulate filter apparatus | Shogo Suzuki, Akira Higashino | 1997-03-18 |
| 5611831 | Diesel particulate filter apparatus | Hiroshi Matsuoka, Akira Higashino, Toshiaki Sakaguchi | 1997-03-18 |