Takenori SAWAI

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Fujimi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metal powder production method and metal powder production apparatus
- Patent number 12,017,283
- Issue date Jun 25, 2024
- Seiko Epson Corporation
- Takenori Sawai
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Timepiece component and timepiece
- Patent number 11,988,996
- Issue date May 21, 2024
- Seiko Epson Corporation
- Takenori Sawai
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
Watch Component, Watch, And Method For Manufacturing Watch Component
- Publication number 20230400813
- Publication date Dec 14, 2023
- SEIKO EPSON CORPORATION
- Takenori SAWAI
- G04 - HOROLOGY
Information Patent Application
Timepiece Component And Timepiece
- Publication number 20220397865
- Publication date Dec 15, 2022
- SEIKO EPSON CORPORATION
- Takenori SAWAI
- G04 - HOROLOGY
Information Patent Application
METAL POWDER PRODUCTION METHOD AND METAL POWDER PRODUCTION APPARATUS
- Publication number 20210237154
- Publication date Aug 5, 2021
- SEIKO EPSON CORPORATION
- Takenori SAWAI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
OPTICAL ELEMENT AND METHOD FOR PRODUCING SAME
- Publication number 20100101719
- Publication date Apr 29, 2010
- SEIKO EPSON CORPORATION
- Kenji OTSUKA
- G02 - OPTICS
Information Patent Application
BONDING METHOD, BONDED STRUCTURE, AND OPTICAL ELEMENT
- Publication number 20100104878
- Publication date Apr 29, 2010
- SEIKO EPSON CORPORATION
- Yasuhide MATSUO
- G02 - OPTICS
Information Patent Application
OPTICAL ELEMENT AND OPTICAL ELEMENT MANUFACTURING METHOD
- Publication number 20100098954
- Publication date Apr 22, 2010
- SEIKO EPSON CORPORATION
- Takenori SAWAI
- B32 - LAYERED PRODUCTS