Membership
Tour
Register
Log in
Boon Keng Lim
Follow
Person
Chohu, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method for cleaning structural surface
Patent number
6,123,777
Issue date
Sep 26, 2000
Kajima Corporation
Nobuo Sakurai
B08 - CLEANING
Information
Patent Grant
Method for peeling off dirt from wall surface by using peelable pol...
Patent number
5,779,811
Issue date
Jul 14, 1998
Kajima Corporation
Minori Machii
B08 - CLEANING