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For the Inventor, By the Inventor

Shizuoka, Japan

Yuji Hatagishi

This inventor holds 78 USPTO granted patents, primarily in Connector Technology (CPC class 4393). Top assignees: Yazaki Corporation, Sumitomo Wiring Systems, Limited, Toyota Jidosha Kabushiki Kaisha. Active years: 1988-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Hatagishi. Retrieved from https://idiyas.com/inventor/yuji-hatagishi

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

Calculating rank
USPTO Granted Patents = 78

% Patents Active = 97.4

Average Co-Inventor Count = 1.8

ph-index = 18

Forward Citations = 945(Granted Patents)

Forward Citations (Not Self Cited) = 936(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Gotenba, JP (1988)
  • Haibara, JP (1991 - 1993)
  • Shizuoka-ken, JP (1997 - 2002)
  • Haibara-gun, JP (2004)
  • Shizuoka, JP (1989 - 2005)

Company Filing History:

goldMedal78 out of 8,407 
 
Yazaki Corporation
 patents
silverMedal1 out of 6,437 
 
Sumitomo Wiring Systems, Limited
 patents
bronzeMedal1 out of 39,078 
 
Toyota Jidosha Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1988-2005

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Areas of Expertise:
Connector
Crimp Connector
Pressure Terminal
Electrical Connector
Insulation-Displacement-Contact
Mounting Structure
Assembly Method
Press-Connecting
Multi-Stage Connector
Terminal Lock
Resin Parts
Board Connector
78 patents (USPTO):Explore Patents
1. 6899449 - Lamp unit assembling method and lamp unit mounting structure (2005-05-31),
2. 6722905 - Board connector (2004-04-20),
3. 6623287 - Lever-joint connector (2003-09-23),
4. 6595668 - Lamp unit assembling method and lamp unit mounting structure (2003-07-22),
5. 6554656 - Method and structure for assembling resin parts (2003-04-29),
6. 6513961 - Lamp unit (2003-02-04),
7. 6443754 - Pressure connecting terminal (2002-09-03),
8. 6416700 - Method of producing resin-molded assembly and method producing double-retaining connector (2002-07-09),
9. 6412169 - Device for mounting rear holder in connector and method for mounting rear holder (2002-07-02),
10. 6383015 - Structure and method of mounting branch connector to flat circuit (2002-05-07),
11. 6382991 - Low insertion force connector (2002-05-07),
12. 6299471 - Press-connecting connector (2001-10-09),
13. 6142819 - Pressure-contact terminal and method for connecting such a (2000-11-07),
14. 6135827 - Press connecting electrical connector with partition walls higher than (2000-10-24),
15. 6089901 - Crimp connector having stepped partition walls (2000-07-18),

Title: The Innovative Journey of Inventor Yuji Hatagishi

Introduction: Yuji Hatagishi is a renowned inventor hailing from Shizuoka, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yuji Hatagishi holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Hatagishi has worked with leading tech companies in Japan, spearheading research and development projects that have resulted in cutting-edge inventions and solutions that have revolutionized various industries.

Collaborations: Throughout his career, Yuji Hatagishi has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge exchange that has led to the development of pioneering technologies.

Conclusion: In conclusion, Yuji Hatagishi's passion for innovation, coupled with his relentless drive to create a positive impact through his inventions, solidifies his position as a trailblazer in the world of technology and a source of inspiration for future generations of inventors.

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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