Masaki OTSUKA

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Hino-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Two-color molding die, manufacturing method of two-color molded art...
- Patent number 11,584,055
- Issue date Feb 21, 2023
- Olympus Corporation
- Masaki Otsuka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Injection molding method and injection molding die
- Patent number 10,022,926
- Issue date Jul 17, 2018
- Olympus Corporation
- Masaki Otsuka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
TWO-COLOR MOLDING DIE, MANUFACTURING METHOD OF TWO-COLOR MOLDED ART...
- Publication number 20200047383
- Publication date Feb 13, 2020
- OLYMPUS CORPORATION
- Masaki OTSUKA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
INJECTION MOLDING METHOD AND INJECTION MOLDING DIE
- Publication number 20160129649
- Publication date May 12, 2016
- OLYMPUS CORPORATION
- Masaki OTSUKA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
LENS UNIT STRUCTURE FOR MOLDED LENS AND MOLDING DIE FOR MOLDED LENS
- Publication number 20150226937
- Publication date Aug 13, 2015
- OLYMPUS CORPORATION
- Masaki OTSUKA
- G02 - OPTICS