Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D533511 | Lighting control switch | Yoshiyuki Nakashima | 2006-12-12 |
| D533512 | Controller for a lighting unit | Yoshiyuki Nakashima | 2006-12-12 |
| D317454 | Refrigerator | Katsuya Matsumura | 1991-06-11 |
| D312834 | Copying machine | Mikio Kosako | 1990-12-11 |
| D311417 | Copying machine | Mikio Kosako | 1990-10-16 |