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For the Inventor, By the Inventor

Hirakata, Japan

Motoki Kurohara

This inventor holds 4 USPTO granted patents. Top assignee: Komatsu Corporation. Active years: 1998-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Motoki Kurohara. Retrieved from https://idiyas.com/inventor/motoki-kurohara

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 4.7

ph-index = 3

Forward Citations = 22(Granted Patents)


Location History:

  • Kawasaki, JP (1998)
  • Kanagawa, JP (2002)
  • Hirakata, JP (2002 - 2003)

Company Filing History:

goldMedal4 out of 2,817 
 
Komatsu Corporation
 patents

Years Active: 1998-2003

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4 patents (USPTO):Explore Patents
1. 6619576 - Outlet clearance adjustment mechanism of jaw crusher and self-propelled crushing machine loaded with jaw crusher having outlet clearance adjustment mechanism of jaw crusher (2003-09-16),
2. 6419172 - Mobile crusher (2002-07-16),
3. 6354524 - Mobile crushing machine (2002-03-12),
4. 5730373 - Crusher system drive control apparatus for a traveling type crushing (1998-03-24),

Title: Motoki Kurohara: Innovator in Crushing Technology

Introduction

Motoki Kurohara is a notable inventor based in Hirakata, Japan. He has made significant contributions to the field of crushing technology, holding a total of 4 patents. His innovative designs focus on improving the efficiency and functionality of crushing machines.

Latest Patents

Kurohara's latest patents include an outlet clearance adjustment mechanism for jaw crushers and a self-propelled crushing machine equipped with this mechanism. The outlet clearance adjustment mechanism is designed to be compact and simple in structure, significantly reducing the time required for outlet clearance adjustments. It features a toggle block with a downward inclined plane, a toggle block frame with a mounting surface, and a hydraulic type mechanical lock cylinder. Additionally, his mobile crusher patent emphasizes a high-quality controlling function that enhances production efficiency while preventing damage to the crusher itself. This mobile crusher includes a feeder and a crusher member, along with a detection system for monitoring the amount of material to be crushed.

Career Highlights

Motoki Kurohara is currently associated with Komatsu Corporation, a leading company in the construction and mining equipment industry. His work has been instrumental in advancing the technology used in mobile and stationary crushing machines.

Collaborations

Kurohara has collaborated with notable coworkers such as Tooru Nakayama and Mitsunobu Yamada, contributing to various innovative projects within the company.

Conclusion

Motoki Kurohara's contributions to crushing technology through his patents and work at Komatsu Corporation highlight his role as a key innovator in the industry. His inventions continue to influence the efficiency and effectiveness of crushing operations.

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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