Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9371806 | Spark plug for internal combustion engine | Takanobu Aochi, Takayuki Inohara, Shinichi Okabe, Noriaki Nishio | 2016-06-21 |
| 9318880 | Spark plug for internal combustion engine | — | 2016-04-19 |
| 9287685 | Spark plug for internal combustion engine | Takanobu Aochi, Takayuki Inohara, Shinichi Okabe, Kaori Doi | 2016-03-15 |
| 9234491 | Spark plug for internal combustion engine | Takanobu Aochi, Noriaki Nishio, Kaori Doi | 2016-01-12 |
| 9219350 | Spark plug for internal combustion engine | — | 2015-12-22 |
| 9166377 | Spark plug for internal combustion engine | Takanobu Aochi | 2015-10-20 |
| 9127638 | Control apparatus for internal combustion engine | Atsuya Mizutani, Yasuomi Imanaka, Koichi Hattori | 2015-09-08 |
| 9086046 | Ignition apparatus for an internal combustion engine | Yuji Kajita, Yasuomi Imanaka, Atsuya Mizutani, Tsutomu Oosuka | 2015-07-21 |
| 9059572 | Spark plug with center electrode for internal combustion engine | — | 2015-06-16 |
| 9022010 | Ignition system | Yuji Kajita, Atsuya Mizutani, Koichi Hattori, Yasuomi Imanaka | 2015-05-05 |
| 8963408 | Spark plug for internal combustion engines | Takayuki Inohara, Shinichi Okabe, Takanobu Aochi, Kaori Doi | 2015-02-24 |
| 8552629 | Spark plug designed to ensure desired degree of ignitability of fuel | Takayuki Inohara, Shinichi Okabe, Takanobu Aochi, Atsushi Iwami | 2013-10-08 |
| 8552651 | High frequency plasma generation system and high frequency plasma ignition device using the same | Masayoshi Sugino, Kazuki Fukatsu, Yoshitaka Tomita, Yuya Abe | 2013-10-08 |
| 8466607 | Spark plug for internal-combustion engines | Takanobu Aochi, Shinichi Okabe, Takayuki Inohara | 2013-06-18 |
| 8061321 | Ignition device | Takayuki Takeuchi | 2011-11-22 |
| 8051822 | Spark plug and cylinder head assembly ensuring reliable ignition of air/fuel mixture | Hiroshi Yorita | 2011-11-08 |
| 8033273 | Plasma ignition system | Hideyuki Kato, Tohru Yoshinaga | 2011-10-11 |
| 7685717 | Method for manufacturing a bearing raceway member | Nobuo Komeyama, Hisashi Harada | 2010-03-30 |
| 7210459 | Common-rail fuel injection system | — | 2007-05-01 |
| 7109646 | Spark plug having center electrode with columnar portion and conical portion | Hitoshi Morita, Shinichi Okabe, Tsunenobu Hori | 2006-09-19 |
| 7105990 | Spark plug for internal combustion engine | Tsunenobu Hori | 2006-09-12 |
| 6966311 | Ignition apparatus for engine | Hiromi Hiramatsu | 2005-11-22 |
| 6873094 | Ignition device for internal combustion engine and a manufacturing method therefor | Hiromi Hiramatsu, Hirofumi Suzuki, Tetsuya Miwa | 2005-03-29 |
| 6720716 | Spark plug and method for manufacturing the same | Teiji Ishinada, Hiromi Hiramatsu | 2004-04-13 |
| 6694958 | Ignition device for internal combustion engine | Hiromi Hiramatsu, Tetsuya Miwa, Takeo Maekawa | 2004-02-24 |