Yoshiaki Toyoshima

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production method for spectacle lens molding mold and production me...
- Patent number 11,884,032
- Issue date Jan 30, 2024
- HOYA LENS THAILAND LTD.
- Yoshiaki Toyoshima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polishing apparatus
- Patent number 7,500,903
- Issue date Mar 10, 2009
- Hoya Corporation
- Yoshiaki Toyoshima
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing apparatus
- Patent number 7,189,148
- Issue date Mar 13, 2007
- Hoya Corporation
- Yoshiaki Toyoshima
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing apparatus
- Patent number 7,144,305
- Issue date Dec 5, 2006
- Hoya Corporation
- Yoshiaki Toyoshima
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing apparatus
- Patent number 6,932,678
- Issue date Aug 23, 2005
- Hoya Corporation
- Yoshiaki Toyoshima
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
PRODUCTION METHOD FOR SPECTACLE LENS MOLDING MOLD AND PRODUCTION ME...
- Publication number 20210387430
- Publication date Dec 16, 2021
- Hoya Lens Thailand Ltd.
- Yoshiaki TOYOSHIMA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PRODUCTION METHOD FOR SPECTACLE LENS MOLDING MOLD AND PRODUCTION ME...
- Publication number 20210370553
- Publication date Dec 2, 2021
- Hoya Lens Thailand Ltd.
- Yoshiaki TOYOSHIMA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Polishing apparatus
- Publication number 20070202778
- Publication date Aug 30, 2007
- Hoya Corporation
- Yoshiaki Toyoshima
- B24 - GRINDING POLISHING
Information Patent Application
Vapor deposition crucible
- Publication number 20060073770
- Publication date Apr 6, 2006
- Hoya Corporation
- Yoshiaki Toyoshima
- B24 - GRINDING POLISHING
Information Patent Application
Polishing apparatus
- Publication number 20050227592
- Publication date Oct 13, 2005
- Hoya Corporation
- Yoshiaki Toyoshima
- B24 - GRINDING POLISHING
Information Patent Application
Polishing apparatus
- Publication number 20030129925
- Publication date Jul 10, 2003
- Yoshiaki Toyoshima
- B24 - GRINDING POLISHING