Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9788410 | Printed circuit board and power supply device | Tomohiko Uchiyama | 2017-10-10 |
| 7638564 | Low dielectric loss tangent-resin varnish, prepreg, laminated sheet, and printed wiring board using the varnish | Satoru Amou, Haruo Akahoshi, Yoshihiro Nakamura, Nobuyuki Minami | 2009-12-29 |
| 7313003 | Switching power supply unit | Wataru Nakahori | 2007-12-25 |
| 6598453 | Tooth rolling flat dies and method for forming teeth | Takahiro Kumagai, Soiti Kakutani, Masaru Sumitani | 2003-07-29 |
| 6567285 | Switching power supply unit | Hisanori Cho, Masahiko Hirokawa | 2003-05-20 |
| 6532160 | Switching power supply | Masahiko Hirokawa, Tomomi Yamada | 2003-03-11 |
| 5909107 | Step up switching power unit and filter circuit | Kenichi Aonuma | 1999-06-01 |