Company Filing History:

4 out of 130

Dainippon Screen Seizo Kabushiki-kaisha

patents

3 out of 1,306

Dainippon Screen Mfg. Co., Ltd.

patents

Years Active: 1980-1989

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4799175 - System for inspecting pattern defects of printed wiring boards (1989-01-17),

2. 4682040 - Image pickup apparatus for a printed wiring board (1987-07-21),

3. 4555180 - Printed area measuring apparatus (1985-11-26),

4. 4367926 - Light beam intensity stabilizing method (1983-01-11),

5. 4310234 - Supplementary amount of developing solution determining method for a (1982-01-12),

6. 4251625 - Method of producing a halftone picture by vibrating light source (1981-02-17),

7. 4232344 - Device for reproducing a halftone picture by scanning (1980-11-04),

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Location History:

Company Filing History:

Years Active: 1980-1989