Hiroko MARUYAMA

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Tsuruga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polyester-based film for keeping freshness and packaging bag
- Patent number 12,030,288
- Issue date Jul 9, 2024
- Toyobo Co., Ltd.
- Shintaro Ishimaru
- B32 - LAYERED PRODUCTS
Information Patent Grant
Low adsorption sealant film, laminated body, and packaging bag
- Patent number 11,548,271
- Issue date Jan 10, 2023
- Toyobo Co., Ltd.
- Hiroko Maruyama
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
LOW ADSORPTION SEALANT FILM, LAMINATED BODY AND PACKAGING BAG
- Publication number 20210339514
- Publication date Nov 4, 2021
- Toyobo Co., Ltd.
- Hiroko MARUYAMA
- B32 - LAYERED PRODUCTS
Information Patent Application
POLYESTER-BASED FILM FOR KEEPING FRESHNESS AND PACKAGING BAG
- Publication number 20210229410
- Publication date Jul 29, 2021
- Toyobo Co., Ltd.
- Shintaro ISHIMARU
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
HEAT-SHRINKABLE POLYESTER-BASED LABEL, PACKAGE, AND METHOD FOR PROD...
- Publication number 20200074888
- Publication date Mar 5, 2020
- Toyobo Co., Ltd.
- Hiroko MARUYAMA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL