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For the Inventor, By the Inventor

Kitakatsuragi, Japan

Norio Sawai

This inventor holds 3 USPTO granted patents. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 2002-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norio Sawai. Retrieved from https://idiyas.com/inventor/norio-sawai

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 3

% Patents Active = 66.7

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:

goldMedal3 out of 25,982 
 
Sharp Kabushiki Kaisha Corporation
 patents

Years Active: 2002-2003

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3 patents (USPTO):Explore Patents
1. 6630070 - Wastewater treatment method and wastewater treatment equipment for recycling reactants and unreacted chemicals (2003-10-07),
2. 6464874 - Waste water treatment method and waste water treatment apparatus (2002-10-15),
3. 6344142 - Waste water treatment method and apparatus (2002-02-05),

Title: Norio Sawai: Innovator in Wastewater Treatment Technologies

Introduction

Norio Sawai is a notable inventor based in Kitakatsuragi, Japan. He has made significant contributions to the field of wastewater treatment, holding a total of 3 patents. His innovative approaches aim to enhance the efficiency and cost-effectiveness of wastewater management systems.

Latest Patents

Sawai's latest patents include a wastewater treatment method and wastewater treatment equipment designed for recycling reactants and unreacted chemicals. This equipment features a reaction tank and a separate reaction unit installed within the tank. In the separate reaction unit, a different reaction occurs with returned sludge and an acid or alkali. Reactants generated from the returned sludge are then introduced into the reaction tank for wastewater treatment.

Another significant patent involves a wastewater treatment apparatus that treats organic matter-containing fluorine wastewater. This apparatus utilizes a reaction tank where biological sludge and calcium-containing chemical sludge are introduced. The microorganisms in the biological sludge treat the organic matter, while the calcium-containing chemical sludge addresses the fluorine content. This dual treatment capability allows for the use of a single reaction tank, reducing both initial and running costs.

Career Highlights

Norio Sawai is associated with Sharp Kabushiki Kaisha Corporation, where he continues to develop innovative solutions for wastewater treatment. His work has been instrumental in advancing technologies that minimize waste and reduce operational costs.

Collaborations

Sawai collaborates with talented individuals such as Kazuyuki Yamasaki and Kazumi Chujou, contributing to a dynamic team focused on innovation in environmental technologies.

Conclusion

Norio Sawai's contributions to wastewater treatment technology exemplify the importance of innovation in addressing environmental challenges. His patents reflect a commitment to improving efficiency and sustainability in wastewater management systems.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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