Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6513700 | Welded structure and welding method for boss and bracket | Yukinobu Matsuda | 2003-02-04 |
| 5077845 | Bed with built-in commode | Kenki Tokunaga, Shin-ichi Akahira, Takahide Kakinuma, Takeshi Itagaki | 1992-01-07 |