Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10361025 | Transformer and leakage transformer | Masaaki Iwakura, Katsumi Kobayashi, Masaru Kumagai, Nobuo Kitajima | 2019-07-23 |
| 10096421 | Coil device and method for manufacturing the same | Masaaki Iwakura, Katsuhiro Ishigaki, Hiroshi Maeda, Nobuo Kitajima | 2018-10-09 |
| 9793044 | Coil device and method for manufacturing the same | Masaaki Iwakura, Katsuhiro Ishigaki, Hiroshi Maeda, Nobuo Kitajima | 2017-10-17 |
| 9424982 | Transformer | Masaaki Iwakura, Katsumi Kobayashi, Masaru Kumagai, Nobuo Kitajima | 2016-08-23 |
| D721651 | Coil component | Masaaki Iwakura, Katsumi Kobayashi, Nobuo Kitajima | 2015-01-27 |
| 8217746 | Choke coil for interleaved PFC circuit | Nobuo Kitajima | 2012-07-10 |
| D644175 | Core for electronic component | Nobuo Kitajima | 2011-08-30 |
| 7227315 | Discharge lamp drive apparatus and liquid crystal display apparatus | Hiroshi Maeda | 2007-06-05 |
| 7205726 | Discharge lamp drive apparatus and liquid crystal display apparatus | Hiroshi Maeda, Masahiro Gamou, Satoshi Sugimoto, Nobuo Kitajima, Terumasa Toyoda | 2007-04-17 |