Akiyoshi Ohnishi

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Patents Grantslast 30 patents

Information Patent Grant
Carbon black aggregate
- Patent number 6,019,829
- Issue date Feb 1, 2000
- Mitsubishi Chemical Corporation
- Yoshihiro Omae
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Stabilizer and resin composition containing the same
- Patent number 5,824,722
- Issue date Oct 20, 1998
- Mitsubishi Chemical Corporation
- Akiyoshi Ohnishi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cyclohexylamine compounds useful as a stabilizer for organic materials
- Patent number 5,294,719
- Issue date Mar 15, 1994
- Mitsubishi Petrochemical Company Limited
- Hideki Kurokawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperidine derivatives as photostabilizer
- Patent number 5,260,443
- Issue date Nov 9, 1993
- Mitsubishi Petrochemical Company Limited
- Mitsumasa Kaitoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperdine derivatives
- Patent number 5,189,172
- Issue date Feb 23, 1993
- Mitsubishi Petrochemical Company Limited
- Mitsumasa Kaitoh
- C07 - ORGANIC CHEMISTRY