Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310620 | Alkali-soluble nitrone compounds and contrast enhanced material comprising the same | Toshinobu Ishihara, Ken'ichi Itoh | 1994-05-10 |
| 5311261 | Toner density control method for image recording apparatus and apparatus for the same | Kiyohari Nakagama, Mitsugu Nemoto | 1994-05-10 |
| 5309204 | Image forming apparatus with optical system control means | Kazuo Sato, Hideki Endo | 1994-05-03 |
| 5298834 | Display discharge lamp | Seiichiro Oda, Junichi Ida, Mitsuhisa Shimada | 1994-03-29 |