Nagoya, Japan

Hiroshi Kumatani

This inventor holds 16 USPTO granted patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Mitsubishi Denki K.k.. Active years: 1985-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Kumatani. Retrieved from https://idiyas.com/inventor/hiroshi-kumatani

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 = 1.8

ph-index = 5

Forward Citations = 105(Granted Patents)


Location History:

  • Nagoya, JP (1985 - 1991)
  • Aichi, JP (1987 - 1993)

Company Filing History:


Years Active: 1985-1993

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16 patents (USPTO):Explore Patents

Title: Hiroshi Kumatani: Innovator in Position Detection Technology

Introduction

Hiroshi Kumatani is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of position detection technology, holding a total of 16 patents. His innovative designs have paved the way for advancements in various applications, particularly in sewing machines.

Latest Patents

One of Kumatani's latest inventions is a position detecting device. This device, such as a needle position detecting device, detects the position of a needle with the aid of a rotor. In this design, the rotor and a position detecting annular member are abutted against each other, eliminating the need for screws. This allows for easy adjustment of the annular member's angular position using a tool that can be inserted through the rotor's holes and engaged with the adjusting means of the annular member. Another notable invention is a controller for a sewing machine, which enhances the functionality and efficiency of sewing operations.

Career Highlights

Throughout his career, Kumatani has worked with notable companies, including Mitsubishi Electric Corporation and Mitsubishi Denki K.K. His experience in these organizations has contributed to his expertise in developing innovative technologies.

Collaborations

Kumatani has collaborated with talented individuals such as Takashi Nakamura and Satomi Yamauchi. Their teamwork has fostered a creative environment that has led to the development of groundbreaking inventions.

Conclusion

Hiroshi Kumatani's contributions to position detection technology and his innovative spirit have made a lasting impact in his field. His work continues to inspire future advancements in technology and engineering.

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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