Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5252448 | Silver halide photographic light sensitive material comprising at least one protective layer containing boron nitride particles | Shiyouji Nishio, Noriyasu Kita | 1993-10-12 |
| 4611361 | Sheet materials for cleaning conveying rolls and guides of a facsimile apparatus | — | 1986-09-16 |