Hiroyuki Umetsu

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Tendou, JP

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Patents Grantslast 30 patents

Information Patent Grant
Refractory/heat insulating panels
- Patent number 5,678,369
- Issue date Oct 21, 1997
- IG-Technical Research Inc.
- Takashi Ishikawa
- B32 - LAYERED PRODUCTS
Information Patent Grant
Sandwich panel having internal gas discharge member
- Patent number 5,580,637
- Issue date Dec 3, 1996
- IG-Technical Research Inc.
- Hiroaki Konta
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
DECORATIVE STRUCTURE, PANEL MATERIAL, AND METHOD FOR CONSTRUCTING D...
- Publication number 20230105519
- Publication date Apr 6, 2023
- IG KOGYO CO., LTD.
- Junji SATO
- E04 - BUILDING