Horiba has developed a concentration control system for gas chambers with improved accuracy and responsiveness. The system includes a flow rate control device, partial pressure measurement device, observer with a model estimating gas state, and a controller adjusting flow rate based on estimated partial pressure. GlobalData’s report on Horiba gives a 360-degree view of the company including its patenting strategy. Buy the report here.

Smarter leaders trust GlobalData


Premium Insights Horiba Ltd - Company Profile

Buy the Report

Premium Insights

The gold standard of business intelligence.

Find out more

According to GlobalData’s company profile on Horiba, Optoelectronic biosensors was a key innovation area identified from patents. Horiba's grant share as of February 2024 was 50%. Grant share is based on the ratio of number of grants to total number of patents.

Concentration control system for gas chamber with improved accuracy

Source: United States Patent and Trademark Office (USPTO). Credit: Horiba Ltd

A concentration control system has been granted a patent (Publication Number: US11906984B2) that includes a flow rate control device, a partial pressure measurement device, an observer with a model estimating the gas state in a chamber, and a controller setting the flow rate based on input parameters. The system ensures the gas flow rate matches the set flow rate, measures the partial pressure inside the chamber, estimates the gas state, and adjusts the flow rate accordingly.

Furthermore, the system includes a model simulating the conductance of an exhaust flow path, a fixed exhaust valve, and an observer gain H for accurate estimation. The partial pressure measurement device is an NDIR analyzer, and the model accounts for delays in measurement output. The concentration control method and program recording medium also detail the process of inputting parameters, estimating the gas state, and setting the flow rate based on the estimated partial pressure. Overall, the patented system provides a comprehensive solution for controlling gas concentration in a chamber efficiently and accurately.

To know more about GlobalData’s detailed insights on Horiba, buy the report here.

Premium Insights


The gold standard of business intelligence.

Blending expert knowledge with cutting-edge technology, GlobalData’s unrivalled proprietary data will enable you to decode what’s happening in your market. You can make better informed decisions and gain a future-proof advantage over your competitors.


GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.