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For the Inventor, By the Inventor

Fuchu, Japan

Katsumi Okina

This inventor holds 5 USPTO granted patents and 2 published patent applications. Top assignee: Seiko Epson Corporation. Active years: 2002-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumi Okina. Retrieved from https://idiyas.com/inventor/katsumi-okina

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

USPTO Granted Patents = 5 

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:

goldMedal5 out of 34,268 
 
Seiko Epson Corporation
 patents

Years Active: 2002-2026

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5 patents (USPTO):Explore Patents
1. 12726040 - Circuit device and electronic device (2026-09-01),
2. 10940686 - Integrated circuit device and liquid droplet ejection device (2021-03-09),
3. 10879742 - Control apparatus, power transmission apparatus, contactless power transmission system, and electronic device (2020-12-29),
4. 9734791 - Display control device and method, semiconductor integrated circuit device, and display device (2017-08-15),
5. 6341096 - Semiconductor memory device (2002-01-22),

Title: Innovations of Katsumi Okina

Introduction

Katsumi Okina is a notable inventor based in Fuchu, Japan. He has made significant contributions to the field of integrated circuit devices and liquid droplet ejection technology. With a total of 5 patents to his name, Okina continues to push the boundaries of innovation in his industry.

Latest Patents

Okina's latest patents include an integrated circuit device and a liquid droplet ejection device. The integrated circuit device features a terminal connected to a driving signal line of a driving circuit that drives an actuator of a liquid droplet ejection head. It incorporates a switch circuit, an amplifier circuit, a voltage boosting circuit, and a control circuit. The amplifier circuit amplifies an induced voltage of the actuator after it has been driven. Additionally, the voltage boosting circuit generates a boosted voltage for level-shifting a switching signal of the switch circuit based on a step-up clock signal. Another patent focuses on a control apparatus, power transmission apparatus, contactless power transmission system, and electronic device. This invention ensures that the transmission timing of a second drive pulse in intermittent power transmission does not overlap with a first drive pulse, enhancing the efficiency of power reception.

Career Highlights

Katsumi Okina is currently employed at Seiko Epson Corporation, where he applies his expertise in developing advanced technologies. His work has been instrumental in improving the performance and reliability of electronic devices.

Collaborations

Okina has collaborated with notable colleagues such as Kazuhiro Adachi and Takashi Nakajima. Their combined efforts have contributed to the success of various projects within their organization.

Conclusion

Katsumi Okina's innovative work in integrated circuit devices and liquid droplet ejection technology showcases his commitment to advancing the field. His patents reflect a deep understanding of electronic systems and their applications.

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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