Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10224793 | Magnet-type power generator and method of manufacturing the same | — | 2019-03-05 |
| 8061337 | Ignition coil device | — | 2011-11-22 |
| 7673623 | Ignition coil device | — | 2010-03-09 |
| 7202767 | Ignition apparatus for an internal combustion engine | Takeshi Shimizu | 2007-04-10 |
| 7190249 | Ignition coil | Shigemi Murata | 2007-03-13 |
| 7132916 | Ignition coil | Shigemi Murata | 2006-11-07 |
| 6880539 | Ignition apparatus for an internal combustion engine and a manufacturing method therefor | Takeshi Shimizu, Mitsuru Koiwa | 2005-04-19 |
| 5977856 | Ignition coil device for internal-combustion engine | Mitsuru Koiwa | 1999-11-02 |
| 5692482 | Ignition coil for internal combustion engine | Takeshi Shimizu, Koji Waki, Shigemi Murata, Masaaki Taruya, Mitsuru Koiwa | 1997-12-02 |
| 5682865 | Electrical connector and ignition apparatus for an internal combustion engine | Shigemi Murata, Mitsuru Koiwa | 1997-11-04 |
| 5632636 | Transmission device for an ignition system of an internal combustion engine | — | 1997-05-27 |
| 5485825 | Internal combustion engine ignition device | Takeshi Shimizu, Masaaki Taruya, Shigemi Murata, Mitsuru Koiwa | 1996-01-23 |
| 5285760 | Ignition coil device for an internal combustion engine | Tadao Takaishi | 1994-02-15 |
| 5271373 | Ignition coil device for an internal combustion engine | Tadao Takaishi | 1993-12-21 |
| 5186154 | Ignition coil device for an internal combustion engine | Tadao Takaishi | 1993-02-16 |
| 5152274 | Ignition coil apparatus | — | 1992-10-06 |
| 5124680 | Cased transformer | — | 1992-06-23 |
| 4795676 | Electrostatic recording material | Hiroshige Yamauchi, Takashi Toyota, Akeo Sawayama, Masaaki Yamanaka | 1989-01-03 |