Yokohama, Japan

Siro Shirasaki

This inventor holds 2 USPTO granted patents. Top assignee: Yoshizuka Seiki Co., Ltd.. Active years: 1994-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Siro Shirasaki. Retrieved from https://idiyas.com/inventor/siro-shirasaki

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 = 4.0

ph-index = 2

Forward Citations = 33(Granted Patents)


Company Filing History:


Years Active: 1994-1996

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2 patents (USPTO):Explore Patents

Title: Siro Shirasaki: Innovator in Powder Molding Technology

Introduction

Siro Shirasaki is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of powder molding technology, holding a total of 2 patents. His innovative designs have advanced the efficiency and functionality of powder molding presses.

Latest Patents

Shirasaki's latest patents focus on a sophisticated powder molding press. This press features a die plate equipped with a die having a die hole, along with a punch device that is inserted into the die hole. A hydraulic cylinder device is attached to the punch device for driving it, arranged coaxially with the punch device. Additionally, a movable punch plate is positioned on one side of the die plate, maintaining a predetermined space. The design includes a punch adapter that secures the punch device to the punch plate. The punch device consists of multiple punches arranged axially in series, enhancing the press's operational capabilities.

Career Highlights

Siro Shirasaki is associated with Yoshizuka Seiki Co., Ltd., where he has played a pivotal role in developing advanced manufacturing technologies. His work has been instrumental in improving the design and functionality of powder molding presses, making them more efficient and reliable.

Collaborations

Shirasaki has collaborated with notable coworkers, including Takeshi Katagiri and Masao Yamamoto. Their combined expertise has contributed to the successful development of innovative solutions in the field of powder molding.

Conclusion

Siro Shirasaki's contributions to powder molding technology exemplify his innovative spirit and dedication to advancing manufacturing processes. His patents reflect a commitment to enhancing efficiency and functionality in the industry.

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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