Yamatokoriyama, Japan

Masaya Hijikigawa

This inventor holds 32 USPTO granted patents, primarily in Sensor Technology. Top assignees: Sharp Kabushiki Kaisha Corporation, 501 Sharp Kabushiki Kaisha, Emi, LLC. Active years: 1983-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaya Hijikigawa. Retrieved from https://idiyas.com/inventor/masaya-hijikigawa

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


% Patents Active = 96.9

Average Co-Inventor Count = 2.5

ph-index = 10

Forward Citations = 709(Granted Patents)


Location History:

  • Yamatokouriyama, JP (1985)
  • Yamatokoriyama, JP (1983 - 1991)
  • Nara, JP (1987 - 2011)

Company Filing History:


Years Active: 1983-2011

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Areas of Expertise:
Humidity Sensor
Pressure Sensor
Moisture Sensitive Element
Optical Pressure Sensor
Field Effect Transistor
Thin-Film Solar Cells
Photovoltaic Device
Resistance-Variation Sensor
Magnetic Reproducing Apparatus
Moisture Permeable Electrode
Amorphous Semiconductor
Platinum Resistance Thermometer
32 patents (USPTO):Explore Patents

Title: Masaya Hijikigawa: Innovator and Inventor from Yamatokoriyama, JP

Introduction

Masaya Hijikigawa, an accomplished inventor based in Yamatokoriyama, Japan, has made significant contributions to technology with a total of 32 patents to his name. His innovative work primarily revolves around display technology and sensor systems, marking him as a prominent figure in his field.

Latest Patents

Among his latest patents, Masaya has developed a novel display device that utilizes external light for enhanced visibility. This device features a porous body on its display surface that reflects incident light, providing a superior viewing experience. Furthermore, he has created a humidity sensor, employing a semiconductor substrate and a poly (vinyl) alcohol (PVA) layer that reacts to ambient water vapor. This allows for a detectable change in the electrical conductivity of the transistor, which is crucial for various applications in environmental monitoring.

Career Highlights

Masaya has been associated with several notable companies throughout his career. Notably, he has worked at Sharp Corporation and 501 Sharp Corporation, where he contributed to the development of cutting-edge technologies in electronic products.

Collaborations

Masaya has collaborated with distinguished colleagues, including Takashi Sugihara and Hisatoshi Furubayashi. These partnerships have resulted in innovative solutions and advancements in their respective fields, cementing his reputation as a collaborative and forward-thinking inventor.

Conclusion

Masaya Hijikigawa's impressive portfolio of patents and collaborative efforts demonstrates his dedication to innovation and technological advancement. As he continues to explore new frontiers in display and sensor technology, his work remains influential in shaping the future of these industries.

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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