Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D490032 | Bumper for an automobile | Tadayuki Yakushi | 2004-05-18 |
| D489293 | Automobile | Tadayuki Yakushi, Naoyuki Nakamura, Koichi Sumigama | 2004-05-04 |
| D488749 | Bumper for an automobile | Koichi Sumigama, Hideo Koyama | 2004-04-20 |