Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7925422 | Controller of internal combustion engine | — | 2011-04-12 |
| 7711498 | Glow plug degradation determination device | — | 2010-05-04 |
| 7500457 | Energization control apparatus and method for glow plug during the period from preglow to afterglow steps | — | 2009-03-10 |
| 7313949 | Combustion chamber pressure sensor equipped with damper body for attenuating transmitted engine vibration | Hiroshi Yorita, Tetsuya Miwa | 2008-01-01 |
| 7282845 | Spark plug having a plurality of center electrodes | — | 2007-10-16 |
| 7252062 | Glow plug energization control to avoid overheating | — | 2007-08-07 |
| 7243643 | Ignition device for internal combustion engine | Atsushi Iwami, Tetsuya Miwa, Yoshiki Morita | 2007-07-17 |
| 7150274 | Ignition device for internal combustion engine | Atsushi Iwami, Tetsuya Miwa | 2006-12-19 |
| 7080638 | Ignition device for internal combustion engine | Atsuya Mizutani, Tetsuya Miwa, Atsushi Iwami, Hirofumi Suzuki | 2006-07-25 |
| 7023127 | Multi-point spark plug | — | 2006-04-04 |
| 7017566 | Ignition device for an internal combustion engine | Tetsuya Miwa, Atsuya Mizutani, Takeo Maekawa | 2006-03-28 |
| 6973820 | Combustion pressure sensor designed to ensure stability of output characteristic and sensitivity | Takehiro Watarai, Fuminori Nakashima | 2005-12-13 |
| 6966311 | Ignition apparatus for engine | Masamichi Shibata | 2005-11-22 |
| 6923042 | Ignition apparatus for internal combustion engine | — | 2005-08-02 |
| 6873094 | Ignition device for internal combustion engine and a manufacturing method therefor | Masamichi Shibata, Hirofumi Suzuki, Tetsuya Miwa | 2005-03-29 |
| 6844735 | Method for inspecting ignition device for internal combustion engine and inspection device | Tetsuya Miwa, Atsuya Mizutani | 2005-01-18 |
| 6817350 | Ignition device for an internal combustion engine | Tetsuya Miwa, Atsuya Mizutani | 2004-11-16 |
| 6798124 | Structure of spark plug designed to provide high thermal resistance and durability | — | 2004-09-28 |
| 6756722 | Method for fabricating spark plug with piezoelectric sensor and spark plug fabricated by the same | — | 2004-06-29 |
| 6720716 | Spark plug and method for manufacturing the same | Masamichi Shibata, Teiji Ishinada | 2004-04-13 |
| 6698411 | Ignition device for internal combustion engine | Takeo Maekawa, Tetsuya Miwa | 2004-03-02 |
| 6694958 | Ignition device for internal combustion engine | Masamichi Shibata, Tetsuya Miwa, Takeo Maekawa | 2004-02-24 |
| 6675785 | Ignition device for an internal combustion engine | Tetsuya Miwa, Atsuya Mizutani, Takeo Maekawa, Tohru Yoshinaga | 2004-01-13 |
| 6392364 | High voltage discharge lamp apparatus for vehicles | Noboru Yamamoto, Yasutoshi Horii, Hiroaki Okuchi, Kenji Yoneima, Yuji Kajita +5 more | 2002-05-21 |
| 6201350 | Discharge lamp lightning apparatus and manufacturing method therefor | Hiroaki Okuchi, Yasutoshi Horii, Noboru Yamamoto | 2001-03-13 |