Akira Utsunomiya

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spiro-naphtho-oxazine compound and photosensitive materials using t...
- Patent number 5,641,884
- Issue date Jun 24, 1997
- Hodogaya Chemical Co., Ltd.
- Akira Utsunomiya
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
AQUEOUS SURFACE TREATMENT AGENT AND SURFACE-TREATED METAL
- Publication number 20250003077
- Publication date Jan 2, 2025
- NIPPON PAINT SURF CHEMICALS CO., LTD.
- Shota SASAKI
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...