Tokyo, Japan

Hitoshi Sadakuni

This inventor holds 31 USPTO granted patents and 23 EPO patents, primarily in Gas Insulated Switchgear. Top assignees: Mitsubishi Electric Corporation, Mitsubishi Denki Kabushiki Kaisha. Active years: 2005-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Sadakuni. Retrieved from https://idiyas.com/inventor/hitoshi-sadakuni

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


% Patents Active = 45.2

 

Average Co-Inventor Count = 3.4

ph-index = 6

Forward Citations = 114(Granted Patents)


Location History:

  • Tokyo, JP (2005 - 2019)
  • Chiyoda-ku, JP (2012 - 2019)

Company Filing History:


Years Active: 2005-2026

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Areas of Expertise:
Power Converter
Gas Insulated Switchgear
Electrical Apparatus
Gas Insulated Equipment
Switchgear
Manufacturing Method
Insulation Covering Film
Gas Insulated Bus
Switch
Contact Device
Gas Insulated Power Apparatus
Switching Apparatus
31 patents (USPTO):Explore Patents

Title: The Innovative Mind of Hitoshi Sadakuni

Introduction

Hitoshi Sadakuni, an accomplished inventor based in Tokyo, Japan, holds an impressive portfolio of 29 patents. His contributions to the field of electrical engineering have led to advancements that enhance the functionality and safety of electrical equipment.

Latest Patents

Among his latest innovations is a patent for a switchgear that showcases a sophisticated design consisting of a first contact capable of reciprocating along a motion axis and a second contact equipped with a movable facing unit. This innovation cleverly includes a spaced unit that is urged toward the axis while allowing for restricted movement, creating a reliable mechanism for electrical connectivity.

Another significant patent is for a gas-insulated electrical apparatus, which features a container filled with insulating gas and a high voltage conductor that is insulated and supported by an innovative insulating member. This invention incorporates a first dielectric film exhibiting a unique through hole that ensures safety during operation, demonstrating Hitoshi's forward-thinking approach to electrical apparatus design.

Career Highlights

Hitoshi has built an impressive career, contributing his expertise to prominent companies such as Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha. His innovative spirit has driven him to explore new horizons in electrical engineering, resulting in the creation of groundbreaking technologies that contribute to the industry.

Collaborations

Throughout his career, Hitoshi has had the pleasure of collaborating with talented individuals such as Takuya Otsuka and Daisuke Fujita. These partnerships have not only enriched his professional journey but have also facilitated the development of advanced technological solutions in the realm of electrical engineering.

Conclusion

Hitoshi Sadakuni's remarkable achievements in the field of patents underscore his commitment to innovation and excellence. His work continues to inspire new generations of inventors and engineers, carving a path toward a future filled with groundbreaking technologies in the electrical sector.

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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