Membership
Tour
Register
Log in
Tadao Shioyama
Follow
Person
Sakurai, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method of producing glass blank
Patent number
5,322,541
Issue date
Jun 21, 1994
Matsushita Electric Industrial Co., Ltd.
Yoshiyuki Shimizu
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of producing the optical element
Patent number
5,201,927
Issue date
Apr 13, 1993
Matsushita Electric Industrial Co., Ltd.
Shoji Nakamura
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Machine for molding optical element
Patent number
5,188,652
Issue date
Feb 23, 1993
Matsushita Electric Industrial Co., Ltd.
Shoji Nakamura
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Laser cutting method and apparatus for effecting said method
Patent number
5,138,131
Issue date
Aug 11, 1992
Matsushita Electric Industrial Co., Ltd.
Yukio Nishikawa
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for producing optical glass element
Patent number
5,120,343
Issue date
Jun 9, 1992
Matsushita Electric Industrial Co., Ltd.
Hideto Monji
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of producing optical glass element and production apparatus...
Patent number
5,087,279
Issue date
Feb 11, 1992
Matsushita Electric Industrial Co., Ltd.
Hideto Monji
C03 - GLASS MINERAL OR SLAG WOOL