Hamamatsu, Japan

Masuo Ito

This inventor holds 29 USPTO granted patents and 2 EPO patents, primarily in Photomultiplier Technology. Top assignees: Hamamatsu-Photonics K.k., Hamamatsu Photonics Kabushiki Kaisha. Active years: 1989-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masuo Ito. Retrieved from https://idiyas.com/inventor/masuo-ito

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


% Patents Active = 93.1

 

Average Co-Inventor Count = 3.8

ph-index = 7

Forward Citations = 154(Granted Patents)


Location History:

  • Shizuoka, JP (1989 - 1990)
  • Hamamatsu, JP (1993 - 2016)

Company Filing History:


Years Active: 1989-2016

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Areas of Expertise:
Photomultiplier Tube
Electron Multiplier
Radiation Detector
Photocathode
Dynode Unit
Image Intensifier
X-ray Tube
Accelerating Electrode
Focusing Electrode
Secondary Electron Shielding
Multi-Anode Type
29 patents (USPTO):Explore Patents

Title: **Masuo Ito: Innovator in Photomultiplier Technology**

Introduction

Masuo Ito is a prominent inventor based in Hamamatsu, Japan, known for his contributions to the field of photomultiplier technology. With an impressive portfolio of 29 patents, Ito has been at the forefront of innovations that enhance detection accuracy in various applications.

Latest Patents

One of his latest inventions, titled "Photomultiplier and its manufacturing method," showcases a sophisticated design aimed at achieving high detection accuracy and fine processing. This photomultiplier features an enclosure that maintains a vacuum state and incorporates a photocathode that emits electrons in response to incident light. The design includes an electron multiplier section that multiplies the emitted electrons in a cascading manner, culminating in an anode that extracts secondary electrons generated within the multiplier. A notable aspect of this design is the use of a glass substrate with a flat part, on which both the electron multiplier section and anode are two-dimensionally arranged.

Career Highlights

Ito has had a distinguished career, primarily associated with companies such as Hamamatsu Photonics K.K. and Hamamatsu Photonics Kabushiki Kaisha. His work has significantly influenced the development and manufacturing processes of photomultiplier devices, greatly benefiting various scientific and industrial applications.

Collaborations

Throughout his career, Masuo Ito has collaborated with several talented individuals, notably including Hiroyuki Kyushima and Suenori Kimura. These partnerships have contributed to the innovation and refinement of technologies within the photonics industry.

Conclusion

Masuo Ito's work in the realm of photomultiplier technology is a testament to his dedication and ingenuity as an inventor. His patents not only reflect his technical expertise but also illustrate the potential for further advancements in detection technologies, paving the way for future innovations in various fields.

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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