Sakai, Japan

Masaki Inaoka

This inventor holds 5 USPTO granted patents and 2 published patent applications. Top assignee: Kubota Corporation. Active years: 2022-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaki Inaoka. Retrieved from https://idiyas.com/inventor/masaki-inaoka

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 = 3.7

ph-index = 1

Forward Citations = 2(Granted Patents)


Location History:

  • Sakai, JP (2022 - 2023)
  • Osaka, JP (2022 - 2024)

Company Filing History:


Years Active: 2022-2025

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5 patents (USPTO):Explore Patents

Title: Masaki Inaoka: Innovator in Hydraulic Systems and Tank Manufacturing

Introduction

Masaki Inaoka is a notable inventor based in Sakai, Japan. He has made significant contributions to the fields of hydraulic systems and tank manufacturing. With a total of 5 patents to his name, Inaoka continues to push the boundaries of innovation in his industry.

Latest Patents

Inaoka's latest patents include a tank and a method of manufacturing a tank. This innovative tank features a body made of thermoplastic resin, complemented by a female screw member, a metal joint, and a seal member. The design includes a tubular connection port with a through hole, ensuring an inner space that communicates with the connection port. The joint is equipped with a male screw portion that fits into the female screw hole, along with a boss portion and a joint through hole. The seal member is strategically placed to contact the boss portion and the hole side surface when the male screw portion is engaged.

Another significant patent is a hydraulic system for a working machine. This system comprises a first hydraulic pump, a first hydraulic device, and a hydraulic fluid tank. It features a first discharge fluid passage that allows hydraulic fluid from the first hydraulic device to flow into the tank. Additionally, a second hydraulic pump draws fluid from the tank, while a second hydraulic device adjusts the flow rate based on actuation. The system is designed to optimize fluid management and efficiency in working machines.

Career Highlights

Masaki Inaoka is currently employed at Kubota Corporation, a leading company in agricultural and industrial machinery. His work at Kubota has allowed him to apply his innovative ideas and contribute to the development of advanced hydraulic systems and tank technologies.

Collaborations

Inaoka has collaborated with talented coworkers, including Daiki Abe and Yoshihiro Ebata. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Masaki Inaoka is a distinguished inventor whose work in hydraulic systems and tank manufacturing has made a significant impact in his field. His innovative patents and contributions to Kubota Corporation highlight his dedication to advancing 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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