Kengo Hirayama

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing optical member

    • Patent number 7,682,531
    • Issue date Mar 23, 2010
    • Hoya Corporation
    • Masanori Kadota
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...