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For the Inventor, By the Inventor

Kariya, Japan

Kazuharu Tochikawa

This inventor holds 17 USPTO granted patents. Top assignee: Denso Corporation. Active years: 2005-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuharu Tochikawa. Retrieved from https://idiyas.com/inventor/kazuharu-tochikawa

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

USPTO Granted Patents = 17

% Patents Active = 41.2

Average Co-Inventor Count = 3.3

ph-index = 7

Forward Citations = 120(Granted Patents)


Location History:

  • Aichi-gun, JP (2013)
  • Kariya, JP (2005 - 2022)

Company Filing History:

goldMedal17 out of 20,407 
 
Denso Corporation
 patents

Years Active: 2005-2022

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17 patents (USPTO):Explore Patents
1. 11333687 - Sensor unit (2022-05-17),
2. 11088630 - Power converter (2021-08-10),
3. 8418438 - Exhaust gas purifying device for internal combustion engine (2013-04-16),
4. 7841171 - Exhaust emission control device for internal combustion engine (2010-11-30),
5. 7794528 - Exhaust gas cleaning device for internal combustion engine (2010-09-14),
6. 7793538 - Apparatus for diagnosing abnormal operation of pressure difference detection apparatus of internal combustion engine exhaust system (2010-09-14),
7. 7707827 - Exhaust gas purifying apparatus for internal combustion engine (2010-05-04),
8. 7624571 - Exhaust gas purifying apparatus for internal combustion engine and method for estimating collected amount of exhaust particles (2009-12-01),
9. 7574857 - Exhaust emission control system for internal combustion engine (2009-08-18),
10. 7458206 - Exhaust gas purification system of internal combustion engine (2008-12-02),
11. 7325395 - Exhaust gas purification device of internal combustion engine (2008-02-05),
12. 7322186 - Exhaust gas purifying system for internal combustion engine (2008-01-29),
13. 7254940 - Exhaust gas purification system of internal combustion engine (2007-08-14),
14. 7162867 - Exhaust gas purifying device for internal combustion engine (2007-01-16),
15. 7159390 - Exhaust gas cleaner for internal combustion engine with particulate filter having heat-absorbing area (2007-01-09),

Title: Kazuharu Tochikawa: Innovator in Sensor and Power Conversion Technologies

Introduction

Kazuharu Tochikawa is a prominent inventor based in Kariya, Japan. He has made significant contributions to the fields of sensor technology and power conversion. With a total of 17 patents to his name, Tochikawa has established himself as a key figure in innovation.

Latest Patents

Tochikawa's latest patents include a sensor unit and a power converter. The sensor unit features a bus bar and a magneto-electric conversion device. This device is designed to detect a magnetic field caused by an electric current flowing through the bus bar. The bus bar connects multiple switch elements that are part of a power conversion circuit and a motor. The power converter patent describes a system where busbars are connected to respective power terminals, including at least one narrow power terminal with varying thermal resistance and rigidity.

Career Highlights

Kazuharu Tochikawa works at Denso Corporation, a leading company in automotive technology. His work focuses on enhancing the efficiency and functionality of power conversion systems. His innovative designs have contributed to advancements in electric vehicle technology and energy management systems.

Collaborations

Tochikawa collaborates with notable colleagues such as Shigeto Yahata and Makoto Saito. Their combined expertise fosters a creative environment that drives technological advancements within their projects.

Conclusion

Kazuharu Tochikawa's contributions to sensor and power conversion technologies highlight his role as an influential inventor. His patents reflect a commitment to innovation that continues to impact the industry positively.

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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