Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637434 | Method for producing toner for electrostatic development | Susumi Ikushima, Shingo Ishiyama, Sadaki Yagi | 1997-06-10 |
| 5168100 | HP530 compounds and process for preparing the same | Naoki Abe, Nobuyasu Enoki, Yasukazu Nakakita, Ryoichi Sato, Suguru Takeo +1 more | 1992-12-01 |