Naka, Japan

Hiroshi Kitaguchi

This inventor holds 72 USPTO granted patents and 2 published patent applications and 1 EPO patent, primarily in Radiological Imaging (CPC class 2503). Top assignees: Hitachi, Ltd., Acrorad Co., Ltd., Hokkaido University. Active years: 1985-2016.

USPTO Granted Patents = 72 

% Patents Active = 41.7


Average Co-Inventor Count = 6.0

ph-index = 15

Forward Citations = 737(Granted Patents)

Forward Citations (Not Self Cited) = 714(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Ibaraki, JP (1985 - 2004)
  • Naka-machi, JP (1997 - 2012)
  • Naka, JP (1986 - 2016)
  • Tokyo, JP (2003 - 2016)

Company Filing History:


Years Active: 1985-2016

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Areas of Expertise:
Radiological Imaging
Radiation Detection
Nuclear Medicine
Gamma Scanning
Dosage Rate Measurement
Semiconductor Detector
Radioactive Gas Measurement
Tomogram Creation
Imaging Support Method
Radiation Detector Element
Environmental Radioactivity
Positron Emission Tomography
72 patents (USPTO):Explore Patents

Title: **Hiroshi Kitaguchi: Innovator in Radiation Measurement Technologies**

Introduction

Hiroshi Kitaguchi, a distinguished inventor located in Naka, Japan, has made significant contributions to the field of radiation measurement with an impressive portfolio of 72 patents. His innovative approaches in developing apparatuses for measuring radioactive gases and inspecting spent fuel demonstrate a commitment to enhancing safety and accuracy in radiation detection.

Latest Patents

Kitaguchi’s latest inventions include a *Radioactive Gas Measurement Apparatus* and a *Failed Fuel Inspection Apparatus*. The radioactive gas measurement apparatus features a sophisticated design comprising a radiation measurement cell with an inlet and discharge pipe, allowing for the introduction and discharge of radioactive gas containing a measurable nuclide and a positron emitter nuclide. This apparatus includes a radiation detector for measuring radiation generated from the gas and a radiation collimator that establishes a defined measurement geometry condition, ensuring accurate readings.

Another notable patent is the *Dosage Rate Measurement System and Dosage Rate Measurement Method*, which effectively reduces the attenuation caused by optical fiber length and compensates for signal-to-noise degradation in dosage monitoring. This system utilizes a radiation detector, light source, photodetector, and a measurement unit to analyze and extract luminous energy data, converting it into precise dosage rates for enhanced radiation monitoring.

Career Highlights

Throughout his career, Kitaguchi has been affiliated with prominent companies such as Hitachi, Ltd. and Acrorad Co., Ltd. His work with these organizations has played a vital role in the development of advanced technologies for radiation measurement and monitoring.

Collaborations

Kitaguchi has collaborated with notable colleagues in the field, including Kensuke Amemiya and Kazuma Yokoi, fostering an environment of innovation and shared expertise. These partnerships have contributed significantly to the advancements in the technology surrounding radiation detection and measurement.

Conclusion

Hiroshi Kitaguchi stands out as a visionary in the domain of radiation measurement technologies. His extensive patent portfolio and collaboration with industry leaders reflect his dedication to innovation and safety in radiation monitoring. As technology evolves, Kitaguchi's contributions will undoubtedly play a crucial role in advancing the field further.

Profile summary based on public USPTO records.
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