Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739319 | Phthalocyanine or naphthalocyanine derivative | — | 1998-04-14 |
| 5725984 | Omega-oxo-aluminum phthalocyanine dimer having novel polymorph and electrophotographic photoreceptor prepared by using the same | Kazuyoshi Kuroda | 1998-03-10 |
| 5149847 | Naphthalocyanine compound and production thereof | — | 1992-09-22 |
| 5064951 | Naphthalocyanine compound and production thereof | — | 1991-11-12 |
| RE32291 | System for coding information change picture elements in facsimile signal | Yukio Nakagome, Hiroichi Teramura, Yasushi Wakahara | 1986-11-18 |