4. Liquid crystal cells, elements and systems
  5. Particular structure
  6. Particular illumination

Tsuyoshi Ishikawa

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Agitating pulverizer

Solid material comminution or disintegration – Apparatus – With temperature modification of material
Patent

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Apparatus for measuring polarization and birefringence

Optics: measuring and testing – By polarized light examination – With polariscopes
Patent

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Chromatic aberration correcting element and its application

Optical: systems and elements – Diffraction – From zone plate
Patent

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Chromatic aberration correcting element and its application

Optical: systems and elements – Lens – With multipart element
Patent

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Circulation type media agitator mill

Solid material comminution or disintegration – Apparatus – Loose grinding body comminutor
Reexamination Certificate

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Profile ID: LFUS-PAI-P-185728

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