Osaka, Japan

Tsutomu Nagahata

This inventor holds 4 USPTO granted patents. Top assignees: Sumitomo Metal Industries, Inc., Toshiba Ceramics Co., Ltd.. Active years: 1978-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Nagahata. Retrieved from https://idiyas.com/inventor/tsutomu-nagahata

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 = 5.1

ph-index = 4

Forward Citations = 26(Granted Patents)


Location History:

  • Wakayama, JP (1978)
  • Osaka, JP (1982 - 1986)

Company Filing History:


Years Active: 1978-1986

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4 patents (USPTO):Explore Patents

Title: Tsutomu Nagahata: Innovator in Molten Metal Discharging Technology

Introduction

Tsutomu Nagahata is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of molten metal discharging devices, holding a total of 4 patents. His innovative designs have improved the efficiency and safety of metal discharging processes.

Latest Patents

One of Tsutomu Nagahata's latest patents is a molten metal discharging device. This device comprises a stationary plate made of refractory material, which is mounted at the bottom of a container for accommodating molten metal. The stationary plate features a molten metal passage bore that allows the molten metal to be discharged. Additionally, it includes a slide plate that can be moved to open or close the passage bore. The design incorporates a porous refractory material that reduces heat dissipation and minimizes the risk of clogging due to solidification.

Career Highlights

Throughout his career, Tsutomu Nagahata has worked with prominent companies such as Sumitomo Metal Industries, Inc. and Toshiba Ceramics Co., Ltd. His experience in these organizations has contributed to his expertise in the field of molten metal technology.

Collaborations

Tsutomu has collaborated with notable coworkers, including Kazumi Arakawa and Masuo Sugie. Their combined efforts have led to advancements in the technology surrounding molten metal discharging.

Conclusion

Tsutomu Nagahata's contributions to molten metal discharging technology highlight his innovative spirit and dedication to improving industrial processes. His patents reflect a commitment to enhancing efficiency and safety in metal handling.

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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