Koichi HAGIHARA

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Patents Grantslast 30 patents

Information Patent Grant
Glass plate interleaving paper
- Patent number 11,913,172
- Issue date Feb 27, 2024
- Oji Holdings Corporation
- Koichi Hagihara
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Base sheet for total heat exchanger element
- Patent number 11,828,026
- Issue date Nov 28, 2023
- Oji Holdings Corporation
- Koichi Hagihara
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Glass interleaving paper
- Patent number 10,047,483
- Issue date Aug 14, 2018
- Oji Holdings Corporation
- Koichi Hagihara
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
BASE SHEET FOR TOTAL HEAT EXCHANGER ELEMENT
- Publication number 20220178077
- Publication date Jun 9, 2022
- OJI HOLDINGS CORPORATION
- Koichi HAGIHARA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
GLASS PLATE INTERLEAVING PAPER
- Publication number 20200048840
- Publication date Feb 13, 2020
- OJI HOLDINGS CORPORATION
- Koichi HAGIHARA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
GLASS PLATE INTERLEAVING PAPER
- Publication number 20180305096
- Publication date Oct 25, 2018
- OJI HOLDINGS CORPORATION
- Koichi Hagihara
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
GLASS INTERLEAVING PAPER
- Publication number 20170152633
- Publication date Jun 1, 2017
- OJI HOLDINGS CORPORATION
- Koichi HAGIHARA
- C03 - GLASS MINERAL OR SLAG WOOL