Inventor
SHIRAI HIROFUSA
JP10 patents
⚠️ This page may combine multiple inventors who share the name “SHIRAI HIROFUSA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHIRAI HIROFUSA
5 patentsUS5618930AApr 8, 1997
Phthalocyanine compound and method for making, nitro-substituted phthalocyanine compound, amino-substituted phthalocyanine compound, phthalocyanine-containing polymer and method for making, catalyst, and optical recording medium
SHIRAI HIROFUSA7 citations72
US5776576AJul 7, 1998
Phthalaocyanine compound as a layer in optical recording medium
SHIRAI HIROFUSA2 citations61
US5763601AJun 9, 1998
Naphthalocyanine compounds, naphthalocyanine polymers and method for making
SHIRAI HIROFUSA3 citations61
US5633370AMay 27, 1997
Naphthalocyanine compounds, naphthalocyanine polymers and method for making
SHIRAI HIROFUSA5 citations61
US5516900AMay 14, 1996
Phthalocyanine compounds containing either a polymerizable vinyl group, a nitro group, or an amino group
SHIRAI HIROFUSA3 citations61