Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10019853 | Support server, mobile terminal, and support system | — | 2018-07-10 |
| D491155 | Portable wireless telephone | Hiroko Kawakami, Mitsuaki Kanada, Kazuhiko Yamaoka | 2004-06-08 |
| D491156 | Portable wireless telephone | Hiroko Kawakami, Mitsuaki Kanada, Kazuhiko Yamaoka | 2004-06-08 |
| D478067 | Headphone | Hiroko Kawakami, Mitsuaki Kanada, Kazuhiko Yamaoka | 2003-08-05 |
| 5512385 | Hydrogen storage alloy and nickel-metal hydride storage battery using the same | Katsunori Komori, Osamu Yamamoto, Yoshinori Toyoguchi, Kohei Suzuki, Seiji Yamaguchi +1 more | 1996-04-30 |