Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D487926 | Bath for a handicapped person | Yasutoshi Okamoto, Shinji Oda, Masatoshi Okuda | 2004-03-30 |
| D484832 | Wheelchair | Yasutoshi Okamoto, Shinji Oda, Masatoshi Okuda, Kiyohiko Utagawa | 2004-01-06 |