Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8168780 | Method for producing a specific polymorph of titanylphthalocyanine | Yasuhiro Yamasaki | 2012-05-01 |
| 8053570 | Method for producing α-form titanylphthalocyanine and electrophotographic photoreceptor comprising α-form titanylphthalocyanine | Yasuhiro Yamasaki | 2011-11-08 |
| 7462711 | U-oxo crosslinked dissimilar metal phthalocyanine compound and process for selectively producing the same | Yasuhiro Yamasaki | 2008-12-09 |
| 7163772 | Organic electrophotographic photo-receptor | Yasuhiro Yamasaki | 2007-01-16 |
| 7087747 | μ-Oxo bridged heterometal compound and selective production method thereof | Yasuhiro Yamasaki | 2006-08-08 |
| 6093514 | (.mu.)-oxo-aluminum/gallium phthalocyanine dimer | Yasuhiro Yamasaki, Kazuyoshi Kuroda | 2000-07-25 |
| 5981745 | .mu.-oxo-gallium phthalocyanine dimer having novel polymorph and electrophotographic photoreceptor prepared by using the same | Yasuhiro Yamasaki, Kazuyoshi Kuroda | 1999-11-09 |
| 5910384 | .mu. -oxo-galliuim phthalocyanine dimer having novel polymorph and electrophotographic photoreceptor prepared by using the same | Yasuhiro Yamasaki, Kazuyoshi Kuroda | 1999-06-08 |