Shizuoka, Japan

Morikuni Nakazato

This inventor holds 6 USPTO granted patents, plus 3 CIPO patents and 6 EPO patents. Top assignees: Chevron Japan Limited, Chevron Oronite Company LLC, Chevrontexaco Corporation. Active years: 1985-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Morikuni Nakazato. Retrieved from https://idiyas.com/inventor/morikuni-nakazato

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


% Patents Active = 83.3

 

 

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 56(Granted Patents)


Location History:

  • Yamato, JP (1985)
  • Ogasa-gun, JP (2003)
  • Shizuoka-ken, JP (2013)
  • Shizuoka, JP (2003 - 2015)

Company Filing History:


Years Active: 1985-2015

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6 patents (USPTO):Explore Patents

Title: **Morikuni Nakazato: A Pioneer in Lubricating Oil Innovations**

Introduction

Morikuni Nakazato is a prominent inventor based in Shizuoka, Japan, known for his contributions to the field of lubricating oil compositions. With a total of six patents to his name, he has demonstrated a commitment to advancing technology in automotive lubricants that enhance performance and fuel efficiency.

Latest Patents

Among Nakazato’s most notable innovations are his latest patents concerning lubricating oil compositions. The first patent involves a lubricating oil composition designed for use with low sulfur content fuel oils, characterized by a base oil with sulfur content of up to 0.2 wt. %, an ashless dispersant—either an alkenyl or alkyl-succinimide or its derivatives—alongside various zinc compounds and oxidation inhibitors. The critical ratio of chemicals used ensures optimal performance in reducing engine wear and providing efficient lubrication.

The second patent details a lubricating oil composition formulated to meet SAE viscosity grade 0W20. This formulation includes essential components such as a nitrogen-containing ashless dispersant, an alkaline earth metal-containing detergent, and specific wear inhibitors. With performance metrics such as a viscosity index of 200-240 and a HTHS viscosity of no less than 2.9 mPa·s at 150°C, Nakazato’s invention promotes high fuel economy and superior wear protection for both gasoline and diesel engines.

Career Highlights

Throughout his career, Morikuni Nakazato has made significant strides in the lubricant industry. He has worked with notable companies such as Chevron Oronite Company LLC and Chevron Japan Limited, where he focused on improving lubricant formulations and enhancing their performance metrics. His innovative approach has positioned him as a leader in the development of advanced lubricating oils.

Collaborations

In his professional journey, Nakazato has collaborated with esteemed colleagues, including Shigeru Iwamoto and Satoshi Hirano. These partnerships have been instrumental in fostering innovations and advancing research in lubricating oil compositions, allowing them to combine their expertise towards achieving common technological goals.

Conclusion

Morikuni Nakazato stands out as a key inventor in the field of lubricating oils, demonstrating an unwavering dedication to innovation. His patents represent a leap forward in lubricant technology, addressing the needs of modern engines and promoting environmental sustainability. Through his work, Nakazato continues to influence the landscape of automotive lubrication, ensuring that vehicles operate efficiently while minimizing their environmental impact.

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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