Inventor

SUNOHARA MASAAKI

JP18 patents

⚠️ This page may combine multiple inventors who share the name “SUNOHARA MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUNOHARA MASAAKI

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Method of press molding lens material

Die for press-molding optical element

Machine for molding optical element

Mold for molding optical elements

Apparatus for producing optical glass element

Method of producing optical glass element and production apparatus using this method

Optical disc and method of manufacturing

Objective lens for optical disk system and optical head using the same

Method of manufacturing optical element

Method of molding plastic and injection compression molding apparatus using elongatable tie bars

Method and device for manufacturing optical elements

Method of producing glass blank

Method of producing the optical element

Method for making optical preforms and optical elements by press

Upright injection-compression pressing machine for the manufacture of information carrier discs

Method for manufacturing preforms used in molding optical elements and method for manufacturing and molding optical elements

Substrate for an optical disc

NIKKEN CHEMICALS CO LTD

Sustained-release theophylline tablet