Takeshi NAKAGAWA

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Osaka-shi Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Roof panel, roof structure, and roof structure construction method
- Patent number 11,643,816
- Issue date May 9, 2023
- Sekisui House, Ltd.
- Ryosuke Sato
- E04 - BUILDING
Information Patent Grant
Roof frame structure
- Patent number 11,319,703
- Issue date May 3, 2022
- Sekisui House, Ltd.
- Takeshi Nakagawa
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
ROOF PANEL, ROOF STRUCTURE, AND ROOF STRUCTURE CONSTRUCTION METHOD
- Publication number 20210381233
- Publication date Dec 9, 2021
- SEKISUI HOUSE, LTD.
- Ryosuke SATO
- E04 - BUILDING
Information Patent Application
ROOF FRAME STRUCTURE
- Publication number 20210189717
- Publication date Jun 24, 2021
- SEKISUI HOUSE, LTD.
- Takeshi NAKAGAWA
- E04 - BUILDING