Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5837413 | Electrophotographic toner, and developer | Naoki Ito | 1998-11-17 |
| 4601872 | Water sealing device for use in replacing control rod drive housing | Yasumasa Tamai, Tsugio Iwama | 1986-07-22 |