Keiichi Ootsubo

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Air-permeable packaging material, and package and production method...
- Patent number 11,945,630
- Issue date Apr 2, 2024
- ENEOS Corporation
- Tomoyuki Okamura
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
TRANSPARENT NET STRUCTURE
- Publication number 20210229395
- Publication date Jul 29, 2021
- ENEOS Corporation
- Tomoyuki OKAMURA
- B32 - LAYERED PRODUCTS
Information Patent Application
SHEET MATERIAL AND ALCOHOL VAPORIZATION AGENT PACKAGE USING SHEET M...
- Publication number 20210188507
- Publication date Jun 24, 2021
- JXTG Nippon Oil & Energy Corporation
- Tomoyuki OKAMURA
- B32 - LAYERED PRODUCTS
Information Patent Application
AIR-PERMEABLE PACKAGING MATERIAL, AND PACKAGE AND PRODUCTION METHOD...
- Publication number 20210039854
- Publication date Feb 11, 2021
- ENEOS Corporation
- Tomoyuki OKAMURA
- B32 - LAYERED PRODUCTS
Information Patent Application
SHEET MATERIAL AND ALCOHOL TRANSPIRATION AGENT PACKAGE USING THE SH...
- Publication number 20190077572
- Publication date Mar 14, 2019
- JXTG NIPPON OIL & ENERGY CORPORATION
- Tomoyuki Okamura
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL