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For the Inventor, By the Inventor

Tsukuba, Japan

Toyonobu Sakurai

This inventor holds 10 USPTO granted patents. Top assignee: Smc Corporation. Active years: 2002-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toyonobu Sakurai. Retrieved from https://idiyas.com/inventor/toyonobu-sakurai

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

USPTO Granted Patents = 10

% Patents Active = 80.0

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 122(Granted Patents)


Location History:

  • Tsukuba-gun, JP (2004)
  • Ibaraki, JP (2002 - 2008)
  • Tsukubamirai, JP (2008 - 2010)

Company Filing History:

goldMedal10 out of 1,492 
 
Smc Corporation
 patents

Years Active: 2002-2010

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10 patents (USPTO):Explore Patents
1. 7798467 - High vacuum valve (2010-09-21),
2. 7527238 - Protection structure for rod seal member of two-port valve (2009-05-05),
3. 7401760 - Vacuum regulating valve (2008-07-22),
4. 7328881 - Evacuating valve (2008-02-12),
5. 6796545 - Poppet valve seal mechanism (2004-09-28),
6. 6772989 - Maintenance-easy two-port valve (2004-08-10),
7. 6748969 - Poppet valve with heater (2004-06-15),
8. 6708721 - Vacuum valve with heater (2004-03-23),
9. 6390442 - Two-port valve (2002-05-21),
10. 6345803 - Piezoelectric fluid control valve (2002-02-12),

Title: Toyonobu Sakurai: Innovator in High Vacuum Technology

Introduction

Toyonobu Sakurai is a prominent inventor based in Tsukuba-gun, Japan. He has made significant contributions to the field of high vacuum technology, holding a total of 10 patents. His work focuses on developing advanced valve systems that enhance performance and reliability in various applications.

Latest Patents

Sakurai's latest patents include innovative designs such as the High Vacuum Valve. This valve features a housing with a flow channel, two ports arranged perpendicularly, and a valve member that opens and closes the flow channel. The design also incorporates a valve shaft that facilitates the operation of the valve member, along with a protective assembly that ensures the integrity of the valve's components.

Another notable patent is the Protection Structure for Rod Seal Member of Two-Port Valve. This invention addresses the challenges of fluid contamination by providing a robust protection structure for the rod seal member. The design includes ring-shaped abutting seal surfaces that prevent fluid invasion while the valve is in an open state, ensuring optimal performance and longevity.

Career Highlights

Toyonobu Sakurai is currently employed at SMC Corporation, a leading company in automation technology. His work at SMC has allowed him to apply his innovative ideas in practical settings, contributing to the advancement of high vacuum systems.

Collaborations

Throughout his career, Sakurai has collaborated with notable colleagues such as Ikuo Kanzaka and Mamoru Fukuda. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Toyonobu Sakurai is a distinguished inventor whose work in high vacuum technology has led to significant advancements in valve systems. His innovative patents and collaborations continue to influence the field, showcasing his commitment to excellence in engineering.

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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