Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5457664 | Energy saving timepiece | Takahiro Izukawa, Takumi Matsuda | 1995-10-10 |
| 5425005 | Drive unit for a rotary decoration | Takuo Urabe | 1995-06-13 |
| 5359577 | Alarm clock having an ambient light detector | Takahiro Izukawa, Hirobumi Okuyama | 1994-10-25 |