Ibaraki, Japan

Osamubo Otubo

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamubo Otubo. Retrieved from https://idiyas.com/inventor/osamubo-otubo

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1978

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1 patent (USPTO):Explore Patents

Title: Osamubo Otubo: Innovator in Ink Jet Technology

Introduction

Osamubo Otubo is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of ink jet technology, particularly with his innovative designs that enhance the functionality of ink jet recording apparatuses. His work has led to the development of a patented technology that improves the efficiency and accuracy of ink detection.

Latest Patents

Otubo holds a patent for an "Ink jet recording apparatus with an improved ink sensor." This invention features an ink sensor that detects charges on charged ink droplets emitted from the nozzle of the ink jet recording apparatus. The sensor emits electric signals that control the operation of the apparatus. It comprises a pair of induction plates with a separation distance and a pair of grounded plates mounted on each induction plate through an electric insulator. The design allows for the detection of flying paths of ink particles between the induction plates, inducing current each time a charged ink droplet passes through, thereby providing essential electric signals for control.

Career Highlights

Osamubo Otubo is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to collaborate with other talented engineers and inventors, contributing to advancements in ink jet technology.

Collaborations

Some of his notable coworkers include Hideyuki Omori and Yoshio Ohuchi. Their collaborative efforts have furthered the development of innovative technologies within the company.

Conclusion

Osamubo Otubo's contributions to ink jet technology exemplify the impact of innovative thinking in engineering. His patented inventions continue to influence the industry, showcasing the importance of advancements in 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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