Average Co-Inventor Count = 2.67
ph-index = 4
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Dainippon Screen Seizo Kabushiki-kaisha (5 from 130 patents)
2. Dainippon Screen Mfg. Co., Ltd. (1 from 1,306 patents)
3. Takara Belmont Co., Ltd. (1 from 2 patents)
6 patents:
1. 4521814 - Method and apparatus for simultaneously outputting a graphic signal and
2. 4321631 - Control method and device for reproducing a halftone dot cut away along
3. 4310234 - Supplementary amount of developing solution determining method for a
4. 4297724 - Method and machine for trying on a hair form in image
5. 4251625 - Method of producing a halftone picture by vibrating light source
6. 4232344 - Device for reproducing a halftone picture by scanning