Niigata, Japan

Masaaki Sakai

This inventor holds 2 USPTO granted patents. Top assignees: Mitsubishi Materials Corporation, Mitsubishi Jidosha Kogyo Kabushiki Kaisha. Active years: 1996-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Sakai. Retrieved from https://idiyas.com/inventor/masaaki-sakai-bmdpak3h

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 2

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 1996-2001

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Masaaki Sakai: Innovator in Fe-based Sintered Alloys

Introduction

Masaaki Sakai is a notable inventor based in Niigata, Japan. He has made significant contributions to the field of materials science, particularly in the development of Fe-based sintered alloys. With a total of 2 patents, his work focuses on enhancing wear resistance in components used in internal combustion engines.

Latest Patents

Sakai's latest patents include innovations such as a valve seat made of Fe-based sintered alloy that excels in wear resistance. Another notable invention is a valve guide member formed from the same material, which is designed to improve the performance and durability of internal combustion engines. The Fe-based sintered alloy consists primarily of 1 to 4% carbon, 1.5 to 6% copper, and 0.1 to 0.8% phosphorus, with optional molybdenum content. This alloy features a matrix mainly composed of pearlite, with hard Fe-C-P compounds and free graphite dispersed throughout.

Career Highlights

Throughout his career, Masaaki Sakai has worked with prominent companies such as Mitsubishi Materials Corporation and Mitsubishi Jidosha Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to refine his expertise in materials engineering and contribute to innovative solutions in the automotive industry.

Collaborations

Sakai has collaborated with notable colleagues, including Takashi Kobayashi and Kazuyuki Hoshino. Their combined efforts have led to advancements in the field of sintered alloys and their applications in various mechanical components.

Conclusion

Masaaki Sakai's contributions to the development of Fe-based sintered alloys have positioned him as a key figure in materials science. His innovative patents and collaborations reflect his commitment to enhancing the performance of internal combustion engine components.

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]
Loading…