Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8970098 | Ignition plug | Toshimasa Saji, Toshitaka Honda | 2015-03-03 |
| 8928214 | Ignition plug | Toshimasa Saji, Toshitaka Honda | 2015-01-06 |
| 8749125 | Spark plug | Katsuya Takaoka, Hironori Uegaki, Toshitaka Honda | 2014-06-10 |
| 8672722 | Spark plug manufacturing method | Kazumichi Hirose, Toshitaka Honda | 2014-03-18 |
| 8564183 | Spark plug and method for manufacturing spark plug | Akira Suzuki, Katsuya Takaoka, Toshitaka Honda | 2013-10-22 |
| 8564184 | Spark plug and process for producing spark plug | Toshitaka Honda, Katsuya Takaoka, Hiroki Takeuchi, Kuniharu Tanaka, Takeshi Mitsuoka | 2013-10-22 |
| 8539921 | Spark plug | Makoto Kuribayashi, Toshitaka Honda, Tomoaki Kato | 2013-09-24 |
| 8482187 | Spark plug and process for producing spark plug | Katsuya Takaoka, Hironori Uegaki, Toshitaka Honda | 2013-07-09 |
| 8469758 | Insulator for spark plug, and method for manufacturing spark plug | Toshitaka Honda | 2013-06-25 |
| 8390183 | Spark plug and method for manufacturing spark plug | Toshitaka Honda, Hiroki Takeuchi, Takeshi Mitsuoka, Kuniharu Tanaka, Kazunari Miyata +1 more | 2013-03-05 |
| 8278809 | Spark plug with alumina-based insulator | Toshitaka Honda, Katsuya Takaoka, Hiroki Takeuchi, Kuniharu Tanaka, Takeshi Mitsuoka | 2012-10-02 |
| 8183754 | Alumina-based sintered body for spark plug and method of manufacturing the same, and spark plug and method of manufacturing the same | Makoto Kuribayashi, Hironori Uegaki, Toshitaka Honda | 2012-05-22 |
| 8093791 | Spark plug having particular insulator | Toshitaka Honda, Hiroki Takeuchi, Takeshi Mitsuoka, Kuniharu Tanaka, Katsuya Takaoka | 2012-01-10 |
| 8013278 | Ceramic heater and glow plug | Hiroshi Nishihara, Kazuya Matsui, Masahiro Konishi | 2011-09-06 |
| 7938706 | Deflection inspecting device for spark plug insulator, deflection inspecting method for spark plug insulator, and manufacturing method for spark plug insulator | Toshitaka Honda | 2011-05-10 |
| 7808250 | Test method and apparatus for spark plug insulator | Toshitaka Honda, Tomoaki Kato | 2010-10-05 |