Yoshihiro Kojima

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing mixture of sulfurized alkaline earth metal sa...
- Patent number 5,538,650
- Issue date Jul 23, 1996
- Cosmo Research Institute
- Masato Goto
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for producing over-based alkaline earth metal phenate
- Patent number 5,292,968
- Issue date Mar 8, 1994
- Cosmo Research Institute
- Sanae Ueda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing over-based sulfurized alkaline earth metal ph...
- Patent number 5,178,781
- Issue date Jan 12, 1993
- Cosmo Oil Co., Ltd.
- Takashi Hori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing a mixture of sulfides of alkaline earth metal...
- Patent number 4,902,436
- Issue date Feb 20, 1990
- Cosmo Oil Co., Ltd.
- Takashi Hori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of basic alkaline earth metal phenates
- Patent number 4,518,807
- Issue date May 21, 1985
- Maruzen Oil Co., Ltd.
- Takashi Hori
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...