Yoshiyuki Utsumi

Follow

Person

Ichikawa-shi, Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Metal-containing onium salt compound, photodegradable base, resist...
- Patent number 11,347,147
- Issue date May 31, 2022
- Toyo Gosei Co., Ltd.
- Michiya Naito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive compound, photoacid generator and resist composition...
- Patent number 11,048,166
- Issue date Jun 29, 2021
- Toyo Gosei Co., Ltd.
- Michiya Naito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sulfonic acid derivative, photoacid generator using same, resist co...
- Patent number 10,216,084
- Issue date Feb 26, 2019
- Toyo Gosei Co., Ltd.
- Yoshiyuki Utsumi
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
SULFONIUM SALT, ACID GENERATOR, RESIST COMPOSITION, AND METHOD FOR...
- Publication number 20230013430
- Publication date Jan 19, 2023
- TOYO GOSEI CO., LTD.
- Yusuke SUGA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTOSENSITIVE COMPOUND, PHOTOACID GENERATOR AND RESIST COMPOSITION...
- Publication number 20190243238
- Publication date Aug 8, 2019
- TOYO GOSEI CO., LTD.
- Michiya NAITO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METAL-CONTAINING ONIUM SALT COMPOUND, PHOTODEGRADABLE BASE, RESIST...
- Publication number 20190243243
- Publication date Aug 8, 2019
- TOYO GOSEI CO., LTD.
- Michiya NAITO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SULFONIC ACID DERIVATIVE, PHOTOACID GENERATOR USING SAME, RESIST CO...
- Publication number 20180011401
- Publication date Jan 11, 2018
- TOYO GOSEI CO., LTD.
- Yoshiyuki Utsumi
- C07 - ORGANIC CHEMISTRY