Yoshio Hiroi

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Sodegaura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Color filter, method for manufacture thereof and liquid crystal pro...
- Patent number 5,378,274
- Issue date Jan 3, 1995
- Idemitsu Kosan Co., Ltd.
- Seiichiro Yokoyama
- G02 - OPTICS
Information Patent Grant
Process for producing organic thin films
- Patent number 5,135,619
- Issue date Aug 4, 1992
- Idemitsu Kosan Co., Inc.
- Mitsuru Eida
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for producing ferrocenoyl derivatives
- Patent number 5,110,964
- Issue date May 5, 1992
- Idemitsu Kosan Co., Ltd.
- Yoshio Hiroi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel ferrocene derivatives, surfactants containing same and a proc...
- Patent number 5,015,748
- Issue date May 14, 1991
- Idemitsu Kosan Co., Ltd.
- Mitsuru Eida
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR