Takateru Asano

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water-soluble photoresist composition
- Patent number 5,948,592
- Issue date Sep 7, 1999
- Fuji Chemicals Industrial Co., Ltd.
- Hiroshi Umehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Negative photoresist composition comprising a photosensitizer of a...
- Patent number 5,128,231
- Issue date Jul 7, 1992
- Oki Electric Industry Co., Ltd.
- Toshio Itoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for forming photoresist pattern using contrast enhancement...
- Patent number 4,889,795
- Issue date Dec 26, 1989
- Oki Electric Industry Co., Ltd.
- Katsuaki Kaifu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pattern-forming material
- Patent number 4,845,143
- Issue date Jul 4, 1989
- Oki Electric Industry Co., Ltd.
- Toshio Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of forming a photoresist pattern
- Patent number 4,801,518
- Issue date Jan 31, 1989
- Oki Electric Industry, Co., Ltd.
- Yoshio Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY