Issued Patents All Time
Showing 51–75 of 115 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8427038 | Spark plug and process for producing same | Akikazu Taido | 2013-04-23 |
| 8412429 | Driving power distribution apparatus and method for controlling torque coupling | Masaki Mita, Ryohei Shigeta | 2013-04-02 |
| 8399799 | Method for manufacturing spark plug | Akikazu Taido | 2013-03-19 |
| 8395307 | Spark plug for preventing accumulation of carbon on an insulator | Akira Suzuki, Mamoru Musasa, Toshitaka Honda | 2013-03-12 |
| 8388395 | Method for manufacturing ignition plug | Toru Nakamura, Yuichi Yamada | 2013-03-05 |
| 8344605 | Spark plug and manufacturing method therefor | Takahiro Suzuki | 2013-01-01 |
| 8306375 | Wavelength-tunable optical transmitter | — | 2012-11-06 |
| 8300991 | Waveguide-type semiconductor optical modulator and method for manufacturing the same | — | 2012-10-30 |
| 8299694 | Spark plug having improved adhesion between resistor and glass sealing layer | Akira Suzuki, Tsutomu Shibata, Mamoru Musasa | 2012-10-30 |
| 8257127 | Method for manufacturing ignition plug | Toru Nakamura, Yuichi Yamada | 2012-09-04 |
| 8215277 | Spark plug | Akira Suzuki | 2012-07-10 |
| 8217561 | Spark plug having laminated ground electrode | Reimon Fukuzawa, Akira Suzuki | 2012-07-10 |
| 8212462 | Spark plug and manufacturing method therefor | — | 2012-07-03 |
| 8203258 | Spark plug for low temperature environment | Hiroyuki Kameda | 2012-06-19 |
| 8188640 | Spark plug center electrode with reduced cover portion thickness | Akira Suzuki | 2012-05-29 |
| 8143773 | Spark plug | Akira Suzuki, Mamoru Musasa | 2012-03-27 |
| 8138660 | Plasma jet spark plug | Toru Nakamura | 2012-03-20 |
| 8098004 | Method for producing spark plug and spark plug | Kazuyoshi Torii, Mamoru Musasa | 2012-01-17 |
| 8087961 | Method of producing a spark plug that has a high dimensional accuracy in the spark gap | Hiroyuki Kameda | 2012-01-03 |
| 8082897 | Plasma jet ignition plug and ignition device for the same | Toru Nakamura, Yuichi Yamada | 2011-12-27 |
| 8067882 | Sealing member for spark plug | Reimon Fukuzawa | 2011-11-29 |
| 8052495 | Method for producing spark plug by projection welding and spark plug thereof | Kazuyoshi Torii, Mamoru Musasa | 2011-11-08 |
| 7959482 | Manufacturing method for ignition plug involves removing leading end portion of shell extended from end surface of insulator | Toru Nakamura, Yuichi Yamada | 2011-06-14 |
| 7906894 | Spark plug for internal combustion engine | Hiroyuki Kameda, Katsutoshi Nakayama | 2011-03-15 |
| 7896720 | Method of producing spark plug, and spark plug | Akira Suzuki | 2011-03-01 |