Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7874346 | Method for producing manganese dry cell negative electrode zinc material | Mutsuhiro Maeda, Kazunari Kobayashi | 2011-01-25 |
| D525667 | Toy bus | — | 2006-07-25 |
| D522591 | Domino toy | — | 2006-06-06 |
| D521080 | Domino toy | — | 2006-05-16 |
| D521081 | Domino toy | — | 2006-05-16 |
| D521082 | Domino toy | — | 2006-05-16 |
| D521083 | Domino toy | — | 2006-05-16 |
| D520573 | Domino toy | — | 2006-05-09 |
| D520079 | Domino toy | — | 2006-05-02 |
| D519165 | Toy shooting stand | — | 2006-04-18 |
| D509275 | Golf training machine | — | 2005-09-06 |
| D502226 | Toy domino bridge | — | 2005-02-22 |
| D497189 | Toy electronic domino train head | — | 2004-10-12 |
| D464078 | Drum | — | 2002-10-08 |
| D288344 | Combined toy frogman with propulsion unit | — | 1987-02-17 |
| D260671 | Plastic racket | — | 1981-09-08 |