Takeshi Sakai

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Sendai-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing heated ozone water, heated ozone water, and sem...
- Patent number 11,817,309
- Issue date Nov 14, 2023
- Tohoku University
- Yasuyuki Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing ozone water
- Patent number 11,295,947
- Issue date Apr 5, 2022
- TOHOKU UNIVERSITY
- Yasuyuki Shirai
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for processing an inner wall surface of a micro vacancy
- Patent number 10,020,222
- Issue date Jul 10, 2018
- Canon, Inc.
- Takeshi Sakai
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Etching method
- Patent number 9,190,337
- Issue date Nov 17, 2015
- TOHOKU UNIVERSITY
- Takeshi Sakai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
RESIST STRIPPING METHOD, RESIST STRIPPING DEVICE, AND PRETREATMENT...
- Publication number 20230101477
- Publication date Mar 30, 2023
- NOMURA MICRO SCIENCE CO., LTD.
- Takayuki Jizaimaru
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD OF PRODUCING HEATED OZONE WATER, HEATED OZONE WATER, AND SEM...
- Publication number 20210043440
- Publication date Feb 11, 2021
- TOHOKU UNIVERSITY
- Yasuyuki SHIRAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
A METHOD FOR PROCESSING AN INNER WALL SURFACE OF A MICRO VACANCY
- Publication number 20160086845
- Publication date Mar 24, 2016
- TOHOKU UNIVERSITY
- Takeshi Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR TREATING INNER WALL SURFACE OF MICRO-VACANCY
- Publication number 20160064213
- Publication date Mar 3, 2016
- Takeshi Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ETCHING METHOD FOR SEMICONDUCTOR PRODUCT
- Publication number 20150140690
- Publication date May 21, 2015
- TOHOKU UNIVERSITY
- Takeshi Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ETCHING METHOD
- Publication number 20140256065
- Publication date Sep 11, 2014
- TOHOKU UNIVERSITY
- Takeshi Sakai
- H01 - BASIC ELECTRIC ELEMENTS