Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D652906 | Aroma diffuser | — | 2012-01-24 |
| D651491 | Scissors | Yoichi Hanakawa | 2012-01-03 |
| D651492 | Scissors | Yoichi Hanakawa | 2012-01-03 |
| D648996 | Scissors | Yoichi Hanakawa | 2011-11-22 |
| D351168 | Tape player | — | 1994-10-04 |
| D350956 | Infrared transmitter | — | 1994-09-27 |
| D350959 | Tape player combined with a radio tuner | — | 1994-09-27 |
| D347845 | Headphone | — | 1994-06-14 |
| D323166 | Reconfigurable radio receiver | Ichiroh Hino | 1992-01-14 |