Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5627434 | Apparatus for operating a fluorescent lamp of an image forming apparatus | Toshiyuki Sekiya, Tadashi Ishikawa | 1997-05-06 |
| 5619403 | Multi-output power supply apparatus | Tadashi Ishikawa | 1997-04-08 |