Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297657 | Steel damper for seismic isolation and seismic isolation structure | Susumu Kuwahara, Ryota Tobari, Mitsutoshi Yoshinaga, Kazuaki Miyagawa, Hiromitsu Morioka +1 more | 2025-05-13 |
| 10324234 | Substrate with antireflection layer | Kenji Ishizeki, Akira Isobe, Yohei KAWAI, Takashige Yoneda, Keisuke Abe | 2019-06-18 |
| 10246615 | Ultraviolet-light-emitting device with adhesive having low glass transition temperature | Fumiko NAKAYAMA, Yoshihiko Sakane, Masahiro Ito, Atsushi Koyanagi | 2019-04-02 |
| 9039525 | Game providing device, game providing method and non-transitory computer-readable storage medium storing game program | Yuuki Ikuta, Hiroshi Imano, Megumi Tanabe | 2015-05-26 |
| 8682021 | Speaker unit and portable information terminal | Kazuyuki Kosuda | 2014-03-25 |
| 8155373 | Electroacoustic transducer | Kazuyuki Kosuda | 2012-04-10 |
| 8135165 | Diaphragm and loudspeaker unit using the same | — | 2012-03-13 |