Tama, Japan

Kazuya Hijii

This inventor holds 27 USPTO granted patents and 3 EPO patents, primarily in Electrosurgery Technology. Top assignees: Olympus Optical Company, Ltd., Olympus Corporation, Olympus Medical Systems Corporation. Active years: 1991-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuya Hijii. Retrieved from https://idiyas.com/inventor/kazuya-hijii

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

Calculating rank

% Patents Active = 81.5


Average Co-Inventor Count = 5.0

ph-index = 19

Forward Citations = 5,062(Granted Patents)


Location History:

  • Tokyo, JP (1996)
  • Hachioji, JP (1991 - 2007)
  • Tama, JP (2005 - 2012)

Company Filing History:


Years Active: 1991-2012

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Areas of Expertise:
Electrosurgery
High-Frequency Treatment
Ultrasonic Devices
Electric Surgery
Resectoscope
Electrosurgical Device
Electrical Apparatus
Surgical Instruments
Medical Apparatus
Cauterizing Technology
27 patents (USPTO):Explore Patents

Title: The Innovative Mind of Kazuya Hijii

Introduction

Kazuya Hijii is an accomplished inventor based in Tama, Japan, renowned for his groundbreaking contributions to high-frequency treatment technologies. With an impressive portfolio of 27 patents, Hijii has significantly impacted the medical treatment landscape.

Latest Patents

Among his latest innovations are two remarkable patents: the High Frequency Treatment Instrument and the High-Frequency Treatment Apparatus. The High Frequency Treatment Instrument is designed with an electrode for performing high-frequency treatments at a specific treatment portion. This treatment portion extends from an electrically insulated insertion portion, featuring a plurality of electrode portions that offer varied treatment performances. The High-Frequency Treatment Apparatus further advances this technology, incorporating an electrode assembly linked to a high-frequency generating unit, which aids in discharging high-frequency current effectively. This apparatus also includes a liquid supply unit to provide irrigation liquid close to the current-applying electrode, ensuring enhanced treatment efficacy.

Career Highlights

Kazuya has worked with prestigious organizations in the industry, particularly Olympus Optical Company, Ltd. and Olympus Corporation. His tenure at these companies not only allowed him to contribute to numerous innovations in the field but also positioned him as a recognized figure among his peers.

Collaborations

Throughout his career, Kazuya has collaborated with fellow innovators, including Kenji Harano and Masahide Ohyama. These partnerships have fostered a collaborative spirit in creating advanced technologies that push the boundaries of high-frequency treatments and medical instruments.

Conclusion

The dedication and creativity of Kazuya Hijii have made him a pivotal player in the realm of medical innovations. With 27 patents to his name and ongoing projects, his future endeavors are anticipated to pave the way for even more revolutionary advancements in healthcare 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]
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