Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9025980 | Image forming apparatus, bias power supply device, and bias power supply method | — | 2015-05-05 |
| 4841995 | Tar removing cigarette holder | — | 1989-06-27 |
| D292132 | Lighter with cigarette holder storing chamber | — | 1987-09-29 |
| 4481955 | Cigarette holder with tar collecting means | — | 1984-11-13 |
| D274951 | Combined lighter and container | — | 1984-07-31 |
| 4370988 | Cigarette holder smoke filtering cartridge with two stage smoke purification action | — | 1983-02-01 |