Tsuchiura, Japan

Kakurou Ootsuka

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Hitachi Construction Machinery Co., Ltd.. Active years: 2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kakurou Ootsuka. Retrieved from https://idiyas.com/inventor/kakurou-ootsuka

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2015

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1 patent (USPTO):Explore Patents

Title: Kakurou Ootsuka: Innovator in Construction Machinery

Introduction

Kakurou Ootsuka is a notable inventor based in Tsuchiura, Japan. He has made significant contributions to the field of construction machinery, showcasing his innovative spirit through his patented designs. His work reflects a commitment to enhancing the efficiency and functionality of construction equipment.

Latest Patents

Kakurou Ootsuka holds a patent for a construction machine that features a right front housing cover positioned on the right side of a working mechanism. This design includes a first control valve located at the front portion of a valve accommodation room, which is protected by the right front housing cover. Additionally, a signal control valve block is strategically placed behind the first control valve and above it, while a solenoid valve is situated at the back of the signal control valve block. The front surface plate of the right front housing cover is designed with an inclined lower side that slopes obliquely downward toward the front, aligning with a virtual line extending through the front ends of both the first control valve and the signal control valve block. This innovative design enhances the operational capabilities of construction machinery.

Career Highlights

Kakurou Ootsuka is associated with Hitachi Construction Machinery Co., Ltd., a leading company in the construction equipment industry. His work at Hitachi has allowed him to apply his inventive ideas in practical applications, contributing to the advancement of construction technology.

Collaborations

Kakurou has collaborated with notable coworkers, including Hidefumi Hiramatsu and Tsuyoshi Ueki. Their teamwork has fostered an environment of innovation and creativity within the company.

Conclusion

Kakurou Ootsuka's contributions to construction machinery through his patent demonstrate his innovative mindset and dedication to improving industry standards. His work continues to influence the field, showcasing the importance of invention in 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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