Patent

Our company is holding following patents on innovative and advanced technologies.

Blockage Risk Evaluation and Method to Prevent its Occurrence in Sewage sludge incinerators

(1)
◇ Name: Incinerator Blockage Risk Evaluation Method and for Prevention Method
◇ Patent No. JP5881260
◇ Date: 2016/2/12
(2)
◇ Name: Incinerator Blockage Prevention Method
◇ Patent No. JP5974335
◇ Date: 2016/7/29

Investigation Method for Infiltration and Inflow Using Electrical Conductivity

◇ Name: Infiltration Water Inflow Location Identifying Device
◇ Patent No. JP4980478
◇ Date: 2012/4/27

Wet Weather Flow Quality Estimating Device and Quality Estimating Method

(1)
◇ Name: Wet Weather Flow Quality Estimating Device and Quality Estimating Method
◇ Patent No. JP5399725
◇ Date: 2013/11/1
(2)
◇ Name: Wet Weather Flow Discharge/Quality Monitoring System
◇ Korea Patent No. 10-1500795
◇ Date: 2015/3/3

Countermeasures to Prevent Uplift of Sewage Manhole: Anshin-manhole Method

(1)
◇ Earthquake Resistant Structure Manhole using Low Strength Artificial Lightweight Filter Materials and Guide Route Elements
◇ Patent No. JP4885605
◇ Date: 2011/12/16
(2)
◇ Name: Method for Strengthening Surrounding Ground of Existing Small-Scale Permanent Underground Structure
◇ Patent No. JP5223079
◇ Date: 2013/3/22
(3)
◇ Name: Seismic Reinforcement Method for Existing Manholes
◇ Patent No. JP4764084
◇ Date: 2011/6/17

Isolation Method of Underground Structure: Seismic Isolation Joint

(1)
◇ Name: Seismic Isolation Joint
◇ Patent No. JP5196633
◇ Date: 2013/2/15
(2)
◇ Name: Joint Structure and for Forming Method
◇ Patent No. JP5189950
◇ Date: 2013/2/1
(3)
◇ Name: Joint for the keeping Water Cut-off Performance
◇ Patent No. JP5193793
◇ Date: 2013/2/8