Yoshichika Ota

This inventor holds 9 USPTO granted patents and 3 published patent applications, plus 3 CIPO patents and 1 EPO patent. Top assignees: Softbank Corporation, Hapsmobile Inc.. Active years: 2021-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshichika Ota. Retrieved from https://idiyas.com/inventor/yoshichika-ota

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

USPTO Granted Patents = 9 (Patent Applications = 3)

% Patents Active = 100.0

CIPO Patents = 3

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 8(Granted Patents)

Company Filing History:

Years Active: 2021-2026

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12531411 - Switching circuit, DC power output apparatus, wireless power transmission system, solar power generation system, output control method and program (2026-01-20),

2. 12425077 - Massive MIMO for HAPS based on angle information on user apparatus (2025-09-23),

3. 12341257 - Phased array antenna, transmission apparatus, radio-power transmission system and radio communication system (2025-06-24),

4. 12113368 - System, base station, terminal apparatus, method and program for performing communication and wireless power transfer (2024-10-08),

5. 12107436 - Wireless-power transfer apparatus, wireless-power transfer system, method and program (2024-10-01),

6. 11308814 - HAPS cooperative flight system (2022-04-19),

7. 11239902 - Monitoring of radio relay apparatus using feeder link (2022-02-01),

8. 11177874 - Service link antenna configuration and beam forming control in HAPS (2021-11-16),

9. 11165621 - Doppler shift correction in three-dimensional network (2021-11-02),

Title: Innovations of Yoshichika Ota

Introduction

Yoshichika Ota is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of communication technology, holding a total of 8 patents. His work focuses on enhancing communication systems, particularly in the context of massive MIMO and phased array antennas.

Latest Patents

One of his latest patents is titled "Massive MIMO for HAPS based on angle information on user apparatus." This invention aims to improve communication quality and enhance system capacity in upper-airspace communication relay apparatuses. It achieves this by estimating angle information from multiple terminal apparatuses and optimizing downlink signal transmission based on this data.

Another notable patent is for a "Phased array antenna, transmission apparatus, radio-power transmission system and radio communication system." This invention features a two-dimensional phased array antenna designed to simplify the configuration and reduce the number of control systems required for phase control of antenna elements. It utilizes frequency mixers and generates mixing signals to facilitate efficient signal transmission.

Career Highlights

Yoshichika Ota has worked with notable companies such as SoftBank Corporation and HapsMobile Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in communication technology.

Collaborations

He has collaborated with talented individuals in the field, including Kenji Hoshino and Naoki Hasegawa. Their combined expertise has contributed to the advancement of communication technologies.

Conclusion

Yoshichika Ota's contributions to communication technology through his patents and collaborations highlight his role as a leading inventor in the industry. His innovative solutions continue to shape the future of communication systems.

Profile summary based on public USPTO records.