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For the Inventor, By the Inventor

Ageo, Japan

Toshiaki Kawanishi

This inventor holds 14 USPTO granted patents and 3 EPO patents. Top assignee: Mitsui Minings & Melting Co., Ltd.. Active years: 2003-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiaki Kawanishi. Retrieved from https://idiyas.com/inventor/toshiaki-kawanishi

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

USPTO Granted Patents = 14

% Patents Active = 92.9


Average Co-Inventor Count = 4.0

ph-index = 6

Forward Citations = 89(Granted Patents)


Location History:

  • Saitama, JP (2003)
  • Ageo, JP (2005 - 2011)

Company Filing History:

goldMedal14 out of 817 
 
Mitsui Minings & Melting Co., Ltd.
 patents

Years Active: 2003-2011

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14 patents (USPTO):Explore Patents
1. 7971425 - Urea concentration identifying system, method for indentifying urea concentration and automobile exhaust gas reducing system using same, and method for reducing automobile exhaust gas (2011-07-05),
2. 7934868 - Thermal sensor and measurement device using the same (2011-05-03),
3. 7647844 - Device and method of detecting flow rate/liquid kind, and device and method of detecting liquid kind (2010-01-19),
4. 7493802 - Liquid type identification device (2009-02-24),
5. 7469574 - Liquid type identifying method and liquid type identifying device (2008-12-30),
6. 7377185 - Device and method of detecting flow rate/liquid kind, and device and method of detecting liquid kind (2008-05-27),
7. 7367711 - Type identification system for diesel oil and method for identifying type of diesel oil (2008-05-06),
8. 7168300 - Gasoline identification system and method for identifying gasoline type (2007-01-30),
9. 7152582 - Gasoline type identifying system and method for identifying gasoline type (2006-12-26),
10. 7028533 - Flow rate measuring method and flowmeter, flow rate measuring section package used for them and flow rate measuring unit using them, and piping leakage inspection device using flowmeter (2006-04-18),
11. 6973827 - Flow rate measuring method and flowmeter, flow rate measuring section package used for them and flow rate measuring unit using them, and piping leakage inspection device using flowmeter (2005-12-13),
12. 6920778 - Device for detecting leakage of liquid in tank (2005-07-26),
13. 6647777 - Flow rate sensor, flow meter, and discharge rate control apparatus for liquid discharge machines (2003-11-18),
14. 6588268 - Flow rate sensor, temperature sensor and flow rate detecting apparatus (2003-07-08),

Title: **Innovations by Toshiaki Kawanishi: A Pioneer in Urea Concentration Technologies**

Introduction

Toshiaki Kawanishi, an esteemed inventor from Ageo, Japan, holds an impressive portfolio of 14 patents. His innovative work primarily focuses on systems for identifying urea concentration and methods for reducing automobile exhaust gases, showcasing his commitment to advancing technology aimed at environmental health and efficiency.

Latest Patents

Kawanishi's latest patents include a range of groundbreaking inventions. Notable among these is the "Urea Concentration Identifying System," which accurately detects the concentration of urea in solutions. The system employs a pulse voltage applied to a sensor heater that not only heats the urea solution but also measures the resulting temperature difference to ascertain urea concentration effectively. Another significant innovation is the "Thermal Sensor and Measurement Device Using the Same." This device enhances measurement accuracy for water-based liquids by mitigating the attachment of air bubbles to the sensor's surface, utilizing a hydrophilic film to maintain optimal conditions for measurement.

Career Highlights

Kawanishi works at Mitsui Mining & Smelting Company, Ltd., an organization renowned for its dedication to innovation in material science and engineering. His role within the company has enabled him to contribute significantly to the research and development of advanced technologies aimed at improving environmental standards in the automotive sector.

Collaborations

Throughout his career, Toshiaki Kawanishi has collaborated with talented professionals such as Kiyoshi Yamagishi and Takayuki Takahata. Their combined efforts in research and development have resulted in noteworthy advancements that demonstrate the power of teamwork in the innovation space.

Conclusion

Toshiaki Kawanishi exemplifies the spirit of innovation through his significant contributions to automotive technology and environmental protection. His inventions not only address practical challenges in the industry but also pave the way for more sustainable practices in the future. With continued efforts and collaborations, Kawanishi is poised to make further impacts in the realm of inventions and patents.

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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