Membership
Tour
Register
Log in
Dai Kobayashi
Follow
Person
Hitachi-shi, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Optical switch, method of manufacturing same, and optical communica...
Patent number
6,487,330
Issue date
Nov 26, 2002
Hitachi, Ltd.
Masaya Horino
G02 - OPTICS
Information
Patent Grant
Optical switch, method of manufacturing same, and optical communica...
Patent number
6,219,472
Issue date
Apr 17, 2001
Hitachi, Ltd.
Masaya Horino
G02 - OPTICS
Information
Patent Grant
Glass wave guide element and method of manufacturing the same
Patent number
6,093,334
Issue date
Jul 25, 2000
Hitachi Cable, Ltd.
Ryoji Suzuki
G02 - OPTICS
Information
Patent Grant
Glass wave guide element and method of manufacturing the same
Patent number
6,031,957
Issue date
Feb 29, 2000
Hitachi Cable Ltd.
Ryoji Suzuki
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Optical switch, method of manufacturing same, and optical communica...
Publication number
20010017957
Publication date
Aug 30, 2001
Masaya Horino
G02 - OPTICS