Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6891555 | Card-making method and system as well as heat treatment mechanism for cards and image-forming apparatus incorporating the same | Ayao Ogawa | 2005-05-10 |
| 6796647 | Method of forming image on card and apparatus therefor | Zenta Kosaka, Kazuaki Morozumi, Kunihiko Matsuhashi | 2004-09-28 |
| 6644802 | Image-forming method and printing medium and sheet cartridge therefor | — | 2003-11-11 |
| 6640717 | Method of forming image on card and apparatus therefor | Zenta Kosaka, Kazuaki Morozumi, Kunihiko Matsuhashi | 2003-11-04 |
| 5422863 | Automatically correcting electronic timepiece for selected signal receiving wireless receiver | Yukio Yokozawa | 1995-06-06 |
| 5265070 | Receiving device with timekeeping function | — | 1993-11-23 |
| 4270197 | Analog display electronic stopwatch | — | 1981-05-26 |