Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9015900 | Device for indicating amount of collected dust, and electric cleaner with same | — | 2015-04-28 |
| 4822186 | Carriage mechanism for thermal printer | Seiji Hanaoka, Masahiro Minowa, Masataka Okamura, Masao Masumura, Noboru Watanabe +2 more | 1989-04-18 |