Koshiro Kunii

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Iwaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Alpha-alumina flakes
- Patent number 11,180,659
- Issue date Nov 23, 2021
- Merck Patent GmbH
- Ryuta Suzuki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
α-alumina flakes
- Patent number 11,142,649
- Issue date Oct 12, 2021
- Merck Patent GmbH
- Ryuta Suzuki
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
α-alumina flakes
- Patent number 10,457,812
- Issue date Oct 29, 2019
- Merck Patent GmbH
- Ryuta Suzuki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Effect pigments with an outer protective coating comprising zinc oxide
- Patent number 8,821,627
- Issue date Sep 2, 2014
- Merck Patent GmbH
- Koshiro Kunii
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Surface-treating agent, surface-treated plateletlike pigment and pr...
- Patent number 5,873,934
- Issue date Feb 23, 1999
- Merck Patent Gesellschaft mit beschrankter Haftung
- Koshiro Kunii
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Oxidized graphite flaky particles and pigments based thereon
- Patent number 5,228,911
- Issue date Jul 20, 1993
- Merck Patent Gesellschaft mit beschrankter Haftung
- Koshiro Kunii
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
ALPHA-ALUMINA FLAKES
- Publication number 20190330475
- Publication date Oct 31, 2019
- Merck Patent GmbH
- Ryuta SUZUKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ALPHA-ALUMINA FLAKES
- Publication number 20190322871
- Publication date Oct 24, 2019
- Merck Patent GmbH
- Ryuta SUZUKI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
ALPHA-ALUMINA FLAKES
- Publication number 20140322534
- Publication date Oct 30, 2014
- Merck Patent GmbH
- Ryuta SUZUKI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
EFFECT PIGMENTS WITH AN OUTER PROTECTIVE COATING COMPRISING ZINC OXIDE
- Publication number 20130213260
- Publication date Aug 22, 2013
- Merck Patent GmbH
- Koshiro Kunii
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...