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For the Inventor, By the Inventor

Osaka, Japan

Shigeru Itoi

USPTO Granted Patents = 22 

Average Co-Inventor Count = 2.8

ph-index = 11

Forward Citations = 319(Granted Patents)


Location History:

  • Mie, JP (1993)
  • Osaka, JP (1995 - 2012)

Company Filing History:

goldMedal19 out of 439 
 
Fujikin Inc.
 patents
silverMedal5 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1993-2012

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22 patents (USPTO):Explore Patents
1. 8256115 - Method of making a fluid coupling (2012-09-04),
2. 8083267 - Fluid coupling and method of designing the same (2011-12-27),
3. 7802771 - Fluid control device (2010-09-28),
4. 7175157 - Fluid controller (2007-02-13),
5. 7004199 - Fluid control apparatus (2006-02-28),
6. D513307 - Joint member for fluid control apparatus (2005-12-27),
7. 6779774 - Metal diaphragm valve (2004-08-24),
8. 6453707 - Device for locking channel opening-closing handle of fluid controller (2002-09-24),
9. 6361081 - Device for fixing lower members and fluid control apparatus incorporating same (2002-03-26),
10. 6189350 - Device for locking channel opening-closing handle of fluid controller (2001-02-20),
11. 6135155 - Fluid control device (2000-10-24),
12. 6039360 - Couplings for fluid controllers (2000-03-21),
13. 5983933 - Shutoff-opening device (1999-11-16),
14. 5979944 - Device for fixing lower members and fluid control apparatus (1999-11-09),
15. 5820105 - Diaphragm valve (1998-10-13),

Title: Innovations by Shigeru Itoi: A Pioneer in Fluid Coupling Technology

Introduction

Shigeru Itoi is an accomplished inventor based in Osaka, Japan. He holds an impressive portfolio of 22 patents, showcasing his ingenuity and contribution to the field of fluid coupling technology. His innovative designs have made significant impacts within various engineering applications.

Latest Patents

Among his latest patents are two notable inventions: a "Method of Making a Fluid Coupling" and a "Fluid Coupling and Method of Designing the Same." In these patents, Itoi describes a novel gasket design featuring ridges on opposite side surfaces with a trapezoidal cross-sectional shape. This innovative design includes an outer tapered face that provides an outer peripheral surface, an inner tapered face that gives an inner peripheral surface, and a flat face that creates a top-end surface. The parameters of the gasket—such as hardness, the angle between tapered faces of the ridge, ridge height, and flat top-end surface area—are meticulously determined to ensure that the thrust value for tightening the coupling stays within specific, predetermined limits.

Career Highlights

Shigeru Itoi's professional journey includes tenure at Fujikin Inc., where he applied his expertise in fluid coupling technology. His work in this esteemed company has helped enhance product reliability and performance in fluid management systems. His contributions have been pivotal in offering innovative solutions tailored to industry needs.

Collaborations

Throughout his career, Itoi has collaborated with fellow inventors such as Michio Yamaji and Tetsuya Kojima. These partnerships have allowed for the exchange of ideas and fostered a culture of innovation, leading to groundbreaking advancements in their respective fields.

Conclusion

Shigeru Itoi's innovations in fluid coupling technology emphasize the importance of precise design and engineering. With 22 patents to his name, his work not only furthers technological advancements but also serves as an inspiration for future inventors seeking to explore the realms of engineering and invention. Through collaboration and continuous innovation, Itoi remains a notable figure in the landscape of modern engineering solutions.

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