Natsumi OKAWA

Follow

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing ruthenium wiring
- Patent number 11,686,002
- Issue date Jun 27, 2023
- Tokyo Ohka Kogyo Co., Ltd.
- Yukihisa Wada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
RINSING SOLUTION, METHOD OF TREATING SUBSTRATE, AND METHOD OF MANUF...
- Publication number 20230265362
- Publication date Aug 24, 2023
- Tokyo Ohka Kogyo Co., Ltd.
- Yukihisa WADA
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
METHOD FOR MANUFACTURING RUTHENIUM WIRING
- Publication number 20220049361
- Publication date Feb 17, 2022
- Tokyo Ohka Kogyo Co., Ltd.
- Yukihisa WADA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SURFACE TREATMENT AGENT, SURFACE TREATMENT METHOD, AND REGION SELEC...
- Publication number 20220017455
- Publication date Jan 20, 2022
- Tokyo Ohka Kogyo Co., Ltd.
- Natsumi Okawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SURFACE TREATMENT AGENT AND SURFACE TREATMENT METHOD
- Publication number 20210171549
- Publication date Jun 10, 2021
- Tokyo Ohka Kogyo Co., Ltd.
- Makoto SATO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...