Shirai; Hirofusa

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Patents Grantslast 30 patents

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Phthalaocyanine compound as a layer in optical recording medium
- Patent number 5,776,576
- Issue date Jul 7, 1998
- Shirai; Hirofusa
- Mutsumi Kimura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Naphthalocyanine compounds, naphthalocyanine polymers and method fo...
- Patent number 5,763,601
- Issue date Jun 9, 1998
- Shirai; Hirofusa
- Hirofusa Shirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Naphthalocyanine compounds, naphthalocyanine polymers and method fo...
- Patent number 5,633,370
- Issue date May 27, 1997
- Shirai; Hirofusa
- Hirofusa Shirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phthalocyanine compound and method for making, nitro-substituted ph...
- Patent number 5,618,930
- Issue date Apr 8, 1997
- Shirai; Hirofusa
- Mutsumi Kimura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phthalocyanine compounds containing either a polymerizable vinyl gr...
- Patent number 5,516,900
- Issue date May 14, 1996
- Shirai; Hirofusa
- Mutsumi Kimura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

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