Tokyo, Japan

Nobuhiro Ishizaka

This inventor holds 2 USPTO granted patents. Top assignees: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Showa Denko K.k.. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuhiro Ishizaka. Retrieved from https://idiyas.com/inventor/nobuhiro-ishizaka-nq04jc1l

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 = 4.4

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1998

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2 patents (USPTO):Explore Patents

Title: Nobuhiro Ishizaka: Innovator in Compressor Technology

Introduction

Nobuhiro Ishizaka is a notable inventor based in Minato-ku, Japan. He has made significant contributions to the field of compressor technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and durability of compressors through innovative designs and materials.

Latest Patents

Ishizaka's latest patents include a swash-plate type compressor with an abrasion-resistant projecting. This invention aims to reduce abrasion at the pressure receiving portion of the cylinder block without increasing manufacturing costs. The cylinder blocks are made of an aluminum alloy that includes specific percentages of copper, silicon, magnesium, zinc, iron, and aluminum. This design allows for a uniform distribution of primary silicon crystals, which effectively supports the interference and thrust load under severe operating conditions.

Another significant patent is for a scroll type compressor and the method for manufacturing the same. This invention involves compressor scrolls made from an aluminum alloy containing precise percentages of copper, silicon, magnesium, and iron. The scrolls are produced using a high-speed die casting method, which enhances their performance and reliability.

Career Highlights

Throughout his career, Ishizaka has worked with prominent companies such as Kabushiki Kaisha Toyoda Jidoshokki Seisakusho and Showa Denko K.K. His experience in these organizations has contributed to his expertise in compressor technology and innovation.

Collaborations

Ishizaka has collaborated with notable coworkers, including Shinya Yamamoto and Takamitsu Mukai. These partnerships have fostered a creative environment that has led to advancements in their respective fields.

Conclusion

Nobuhiro Ishizaka's contributions to compressor technology through his innovative patents demonstrate his commitment to improving efficiency and durability in engineering. His work continues to influence the industry and inspire future innovations.

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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