Takashi MURAMATSU

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Saga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of evaluating cleanliness, method of determining cleaning co...
- Patent number 11,920,257
- Issue date Mar 5, 2024
- Sumco Corporation
- Takashi Muramatsu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of decomposing quartz sample, method of analyzing metal cont...
- Patent number 11,421,342
- Issue date Aug 23, 2022
- Sumco Corporation
- Hirokazu Kato
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method of evaluating cleanliness, method of determining cleaning co...
- Patent number 11,118,285
- Issue date Sep 14, 2021
- Sumco Corporation
- Takashi Muramatsu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF EVALUATING CLEANLINESS, METHOD OF DETERMINING CLEANING CO...
- Publication number 20210363660
- Publication date Nov 25, 2021
- SUMCO CORPORATION
- Takashi MURAMATSU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF DECOMPOSING QUARTZ SAMPLE, METHOD OF ANALYZING METAL CONT...
- Publication number 20190368071
- Publication date Dec 5, 2019
- SUMCO CORPORATION
- Hirokazu KATO
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF EVALUATING CLEANLINESS, METHOD OF DETERMINING CLEANING CO...
- Publication number 20190106810
- Publication date Apr 11, 2019
- SUMCO CORPORATION
- Takashi MURAMATSU
- H01 - BASIC ELECTRIC ELEMENTS