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For the Inventor, By the Inventor

Fujisawa, Japan

Susumu Omatoi

This inventor holds 4 USPTO granted patents. Top assignees: Kasei Optonix, Ltd., Hitachi, Ltd.. Active years: 1985-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Susumu Omatoi. Retrieved from https://idiyas.com/inventor/susumu-omatoi

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 5.6

ph-index = 3

Forward Citations = 32(Granted Patents)


Location History:

  • Odawara, JP (1985)
  • Kanagawa, JP (1989)
  • Fujisawa, JP (1993 - 1994)

Company Filing History:

goldMedal4 out of 87 
 
Kasei Optonix, Ltd.
 patents
silverMedal2 out of 42,731 
 
Hitachi, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1985-1994

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4 patents (USPTO):Explore Patents
1. 5363013 - Phosphor and cathode-ray tube using the same (1994-11-08),
2. 5177401 - Phosphor and cathode-ray tube using the same (1993-01-05),
3. 4814666 - Electron-beam existed display tube, the screen of which has a (1989-03-21),
4. 4544605 - Phosphor (1985-10-01),

Title: The Innovations of Susumu Omatoi

Introduction

Susumu Omatoi is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of phosphors and cathode-ray tubes, holding a total of four patents. His work has advanced the technology used in display systems, enhancing their performance and efficiency.

Latest Patents

One of Omatoi's latest patents involves the development of terbium-activated oxide phosphors. These phosphors incorporate elements such as ytterbium, thulium, samarium, and europium. The incorporation of these elements has resulted in phosphors that exhibit high brightness and minimal brightness deterioration under high-density electron bombardment. This innovation is crucial for improving the quality and longevity of cathode-ray tubes.

Career Highlights

Throughout his career, Susumu Omatoi has worked with prominent companies, including Kasei Optonix, Ltd. and Hitachi, Ltd. His experience in these organizations has allowed him to refine his expertise in the field of display technology and phosphor development.

Collaborations

Omatoi has collaborated with notable colleagues such as Hidetsugu Matsukiyo and Teruki Suzuki. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Susumu Omatoi's contributions to the field of phosphors and cathode-ray tubes have made a significant impact on display technology. His innovative patents and collaborations highlight his role as a leading inventor in this specialized area.

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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