Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6536073 | Electric vacuum cleaner | Hiroyuki Uratani, Yoshiaki Ohnishi, Toshifumi Miyahara, Masaki Shibuya, Saburo Kajikawa | 2003-03-25 |
| D454994 | Electric vacuum cleaner | Osamu Harada | 2002-03-26 |