Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10114070 | Substrate inspection apparatus | Michio Murata, Kenichi Narikawa | 2018-10-30 |
| 9678107 | Substrate inspection apparatus | Michio Murata | 2017-06-13 |
| 6340303 | High tension connection portion structure of an ingition device for an internal combustion engine | Kazuya Hamada, Shigemi Murata, Mitsuru Koiwa | 2002-01-22 |
| 6211763 | Ignition coil apparatus for an internal combustion engine and production method thereof | — | 2001-04-03 |
| 6205844 | Combustion state detecting device for an internal combustion engine | Koichi Okamura, Mituru Koiwa, Yutaka Ohashi | 2001-03-27 |
| 5861551 | Combustion state detecting apparatus for an internal-combustion engine | Wataru Fukui | 1999-01-19 |
| 5701876 | Misfire detecting apparatus for internal combustion engine | Wataru Fukui, Shuichi Wada | 1997-12-30 |
| 5694900 | Knock control system for an internal combustion engine | Wataru Fukui, Shuichi Wada | 1997-12-09 |
| 5615659 | Ignition apparatus for internal combustion engine | Mitsuru Koiwa | 1997-04-01 |
| 5603307 | Ignition coil for internal combustion engine | Mitsuru Koiwa | 1997-02-18 |
| 5550704 | Ignition coil including inorganic insulator exhibiting higher conductivity along its surface than perpendicular to its surface | Yutaka Ohashi | 1996-08-27 |
| 5220901 | Capacitor discharge ignition system with inductively extended discharge time | Takafumi Narishige, Mitsuru Koiwa | 1993-06-22 |
| 5215066 | Ignition apparatus for an internal combustion engine | Takafumi Narishige, Mitsuru Koiwa | 1993-06-01 |
| 5183024 | Ignition device for internal combustion engine | Mitsuru Koiwa | 1993-02-02 |
| 5181498 | Ignition apparatus for an internal combustion engine | Mitsuru Koiwa | 1993-01-26 |
| 5163411 | Capacitor discharge ignition apparatus for an internal combustion engine | Mitsuru Koiwa | 1992-11-17 |