Isesaki, Japan

Takatoshi Watanabe

This inventor holds 18 USPTO granted patents and 7 EPO patents, primarily in Oil Pump Technology. Top assignee: Yamada Manufacturing Co., Ltd.. Active years: 2009-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takatoshi Watanabe. Retrieved from https://idiyas.com/inventor/takatoshi-watanabe

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


% Patents Active = 22.2

 

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 10(Granted Patents)


Location History:

  • Gunma-ken, JP (2009 - 2015)
  • Isesaki, JP (2015 - 2018)
  • Kiryu, JP (2017 - 2020)

Company Filing History:


Years Active: 2009-2020

Loading Chart...
Loading Chart...
Areas of Expertise:
Relief Valve
Oil Circuit
Internal Gear Pump
Control Valve
Variable Oil Pump
Lubrication System
Pump Structure
Trochoid Pump
Oil Pump Resonator
Engine Oil Pump
18 patents (USPTO):Explore Patents

Title: Takatoshi Watanabe: Innovator in Relief Valve Technology

Introduction

Takatoshi Watanabe is a prominent inventor based in Isesaki, Japan. He has made significant contributions to the field of valve technology, holding a total of 18 patents. His innovative designs focus on improving the efficiency and functionality of relief valve devices.

Latest Patents

Watanabe's latest patents include a relief valve device that features a housing with a valve chamber, an orifice, and a relief discharge port. This device incorporates a valve body that opens and closes the relief discharge port while moving within the valve chamber. It also includes a relief valve with an elastic member that biases the valve body to close the port, along with an oil control valve that regulates oil supply into the chamber. The design ensures continuous circulation of oil within the valve chamber. Another notable patent is the relief device for an oil circuit of an engine, which integrates an oil pressure relief valve and a temperature-sensitive relief valve. This innovative solution allows for oil to be relieved at the intended pressure, regardless of temperature, simplifying the overall configuration.

Career Highlights

Watanabe has built a successful career at Yamada Manufacturing Co., Ltd., where he has been instrumental in developing advanced valve technologies. His work has significantly impacted the efficiency of oil circuits in engines and other applications.

Collaborations

Throughout his career, Watanabe has collaborated with talented individuals such as Junichi Miyajima and Masato Izutsu. These partnerships have fostered innovation and contributed to the success of his projects.

Conclusion

Takatoshi Watanabe's contributions to valve technology exemplify his dedication to innovation and engineering excellence. His patents continue to influence the industry, showcasing his expertise and commitment to advancing technology.

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]
Loading…