Keisuke TAKAYAMA

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Yokohama-shi, Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water-barrier laminated film
- Patent number 11,981,785
- Issue date May 14, 2024
- Toyo Seikan Group Holdings, Ltd.
- Shinpei Okuyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water barrier laminate
- Patent number 11,945,195
- Issue date Apr 2, 2024
- Toyo Seikan Group Holdings, Ltd.
- Shunya Nangou
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Moisture barrier laminate
- Patent number 11,565,508
- Issue date Jan 31, 2023
- Toyo Seikan Group Holdings, Ltd.
- Misato Kawanishi
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
MOISTURE BARRIER LAMINATED FILM
- Publication number 20230227618
- Publication date Jul 20, 2023
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Shinpei OKUYAMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
WATER BARRIER LAMINATE
- Publication number 20220126549
- Publication date Apr 28, 2022
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Shunya NANGOU
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
MOISTURE BARRIER LAMINATE
- Publication number 20210122147
- Publication date Apr 29, 2021
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Misato Kawanishi
- B32 - LAYERED PRODUCTS
Information Patent Application
WATER-BARRIER LAMINATED FILM
- Publication number 20200317875
- Publication date Oct 8, 2020
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Shinpei OKUYAMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
WATER-ABSORBING LAMINATED PROTECTION FILM
- Publication number 20190358608
- Publication date Nov 28, 2019
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Shunya NANGOU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL