Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11338830 | Underfloor duct | Mitsuru Yokoyama | 2022-05-24 |
| 11198455 | Connecting hanger bolt and connecting hanger bolt installation mechanism | Mitsuru Yokoyama | 2021-12-14 |
| 11183164 | Horn device for railcar | Mitsuru Yokoyama | 2021-11-23 |
| 11173790 | Wire supporting structure supporting electric wire extending between bogie and carbody in railcar and method of connecting electric wire | Mitsuru Yokoyama | 2021-11-16 |
| 8964460 | Semiconductor device having a non-volatile memory built-in | Takashi Ishiguro, Kenichi Shimomai, Kyoko Nakajima, Tetsuo Hironaka | 2015-02-24 |
| 8283945 | Semiconductor device | Tetsuo Hironaka, Hiroaki Toguchi, Naoki Hirakawa, Takashi Ishiguro, Masayuki Sato | 2012-10-09 |