Takumi Hatanaka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for manufacturing gypsum board
- Patent number 8,382,923
- Issue date Feb 26, 2013
- Yoshino Gypsum Co., Ltd.
- Shoichi Okazaki
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
SMOOTHER AND GYPSUM BOARD MANUFACTURING DEVICE
- Publication number 20240359360
- Publication date Oct 31, 2024
- YOSHINO GYPSUM CO., LTD.
- Takumi HATANAKA
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
APPARATUS AND METHOD FOR MANUFACTURING GYPSUM BOARD
- Publication number 20100132869
- Publication date Jun 3, 2010
- Shoichi Okazaki
- B28 - WORKING CEMENT, CLAY, OR STONE