Kanagawa, Japan

Takeo Nakagawa

This inventor holds 5 USPTO granted patents. Top assignees: Amino Iron Works Co., Ltd., Research Development Corporation of Japan, Shinsin International Development Corporation. Active years: 1984-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeo Nakagawa. Retrieved from https://idiyas.com/inventor/takeo-nakagawa-ptigafvm

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 116(Granted Patents)


Location History:

  • Kanagawa, JP (1984 - 1987)
  • Ichinotsubo, Nakahara-ku, Kawaski-shi, Kanagawa-ken, JP (1988)
  • Ichinotsubo, Nakahara-ku, Kawasaki-shi, Kanagawa-ken, JP (1991)

Company Filing History:


Years Active: 1984-1991

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5 patents (USPTO):Explore Patents

Title: Takeo Nakagawa: Innovator in Machining Technology

Introduction

Takeo Nakagawa is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of machining technology, holding a total of 5 patents. His work focuses on enhancing the efficiency and functionality of machine tools.

Latest Patents

One of Nakagawa's latest patents is a machine tool with a grinding function and a truing/dressing method. This innovative machining tool features an electric discharge truing/dressing apparatus that includes a spindle stock for supporting a workpiece spindle. The spindle is driven for rotation while holding either a workpiece or an electrode. The tool rest moves both parallel and perpendicular to the spindle, holding an electrode machining tool and a grinding wheel. Additionally, a feed electricity means is positioned between the workpiece supporting portion of the spindle and the tool rest. The design also incorporates a magazine for storing the workpiece and the electrode, along with a loading device connecting the magazine to the spindle. The grinding wheel is subjected to truing/dressing by feeding the electrode from the magazine to the spindle stock.

Another notable patent involves sintered composite materials with short metal fibers as a matrix. In this invention, short, fine fibers with specific aspect ratios and generally triangular cross-sections are mixed with particulate material. This mixture forms a three-dimensional network that is sintered to create composites containing scattered and enveloped particulate material. These composites have applications as self-lubricating materials or grinding materials.

Career Highlights

Throughout his career, Nakagawa has worked with various companies, including Sintokogio, Ltd. His experience in the industry has allowed him to develop innovative solutions that address the needs of modern machining processes.

Collaborations

Nakagawa has collaborated with notable coworkers such as Kiyoshi Suzuki and Hiroyuki Noguchi. Their combined expertise has contributed to the advancement of machining technologies.

Conclusion

Takeo Nakagawa's contributions to the field of machining technology are noteworthy. His innovative patents and collaborations reflect his commitment to advancing the industry. His work continues to influence the development of efficient machining tools and materials.

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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