Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7502220 | Portable-type display device | Ryota Uchino | 2009-03-10 |
| D435535 | Combined disc player, radio receiver and tape player | Eiji Shintani, Hidefumi Goto | 2000-12-26 |
| D424058 | Combined disc player, radio receiver and tape player | — | 2000-05-02 |
| D384958 | Earphone with microphone | — | 1997-10-14 |
| D376800 | Radio receiver | — | 1996-12-24 |
| D372475 | Tape player combined with radio tuner | — | 1996-08-06 |
| D370912 | Tape player | Haruo Ohba | 1996-06-18 |
| D368716 | Headphone | — | 1996-04-09 |
| D367756 | Portable carrying grip with belt | Haruo Ohba | 1996-03-12 |
| D360194 | Graphic data input machine combined with a printer | — | 1995-07-11 |