Hisao Aota

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Patents Grantslast 30 patents

Information Patent Grant
Resin molding mold
- Patent number 10,773,426
- Issue date Sep 15, 2020
- TANAZAWA HAKKOSHA CO., LTD.
- Masayuki Sakai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Resin molding mold
- Patent number 10,124,514
- Issue date Nov 13, 2018
- Tanazawa Hakkosha Co., Ltd.
- Masayuki Sakai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Mold for resin molding, method for manufacturing mold for resin mol...
- Patent number 8,794,951
- Issue date Aug 5, 2014
- Tanazawa Hallosha Co., Ltd.
- Sadayuki Yoneshima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
RESIN MOLDING MOLD
- Publication number 20170225364
- Publication date Aug 10, 2017
- TANAZAWA HAKKOSHA CO., LTD.
- Masayuki SAKAI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
RESIN MOLDING MOLD
- Publication number 20170197336
- Publication date Jul 13, 2017
- TANAZAWA HAKKOSHA CO., LTD.
- Masayuki SAKAI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Sheet Having Convex Pattern on Surface and Method for Forming the C...
- Publication number 20120064308
- Publication date Mar 15, 2012
- Sadayuki Yoneshima
- B44 - DECORATIVE ARTS
Information Patent Application
MOLD FOR RESIN MOLDING, METHOD FOR MANUFACTURING MOLD FOR RESIN MOL...
- Publication number 20100075149
- Publication date Mar 25, 2010
- TANAZAWA HAKKOSHO CO., LTD.
- Sadayuki Yoneshima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL