Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6966098 | Cleaner | Masuo Ota, Akihiko Kotani | 2005-11-22 |
| 5444456 | LED display apparatus | Masuo Ohta | 1995-08-22 |
| 4670701 | Rechargeable cordless vacuum cleaner apparatus | Tatsuya SHIMOYAMA, Yoshinori Matsunaga | 1987-06-02 |