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For the Inventor, By the Inventor

Kashiwa, Japan

Yoichi Hiruta

This inventor holds 18 USPTO granted patents, primarily in Semiconductor Devices. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1987-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoichi Hiruta. Retrieved from https://idiyas.com/inventor/yoichi-hiruta

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

Calculating rank
USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 12

Forward Citations = 512(Granted Patents)


Location History:

  • Yokohama, JP (1987 - 1988)
  • Matsudo, JP (1992 - 1995)
  • Kashiwa, JP (1995 - 2001)

Company Filing History:

goldMedal18 out of 53,276 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 1987-2001

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Areas of Expertise:
Flip-Chip Technology
Multi-Chip Package
Noise Suppression
Ball Grid Array
Bare Chip Prober
MOS Transistor
Semiconductor Integration
Electronic Device
Manufacturing Methods
Sealing Means
Provisional Support
Chip Evaluation
18 patents (USPTO):Explore Patents
1. 6182828 - Reel tape for provisionally supporting a bare chip (2001-02-06),
2. 6111317 - Flip-chip connection type semiconductor integrated circuit device (2000-08-29),
3. 6094057 - Board for evaluating the characteristics of a semiconductor chip and a (2000-07-25),
4. 5998861 - Semiconductor device having ball grid array (1999-12-07),
5. 5952841 - Bare chip prober device (1999-09-14),
6. 5801447 - Flip chip mounting type semiconductor device (1998-09-01),
7. 5648686 - Connecting electrode portion in semiconductor device (1997-07-15),
8. 5629566 - Flip-chip semiconductor devices having two encapsulants (1997-05-13),
9. 5533664 - Method of manufacturing a semiconductor device (1996-07-09),
10. 5477079 - Power source noise suppressing type semiconductor device (1995-12-19),
11. 5463245 - Semiconductor integrated circuit device having sealing means (1995-10-31),
12. 5461197 - Electronic device having a chip with an external bump terminal equal or (1995-10-24),
13. 5424917 - Semiconductor device and method for mounting semiconductor wafer (1995-06-13),
14. 5401688 - Semiconductor device of multichip module-type (1995-03-28),
15. 5179434 - Semiconductor device and manufacturing method thereof (1993-01-12),

Title: The Innovative Contributions of Yoichi Hiruta

Introduction

Yoichi Hiruta is a prominent inventor based in Kashiwa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 18 patents. His work has been instrumental in advancing the efficiency and functionality of integrated circuit devices.

Latest Patents

Among his latest patents is a reel tape designed for provisionally supporting a bare chip. This innovative reel tape includes a base tape for reel winding, a chip mounting section for the bare chip, and an adhesive layer that allows for easy detachment of the chip for testing purposes. Additionally, the reel tape features a protector that prevents the bare chip from contacting the base tape during winding. Another notable patent is for a flip-chip connection type semiconductor integrated circuit device. This device incorporates a first insulating film with an I/O pad, a conductive layer, and a barrier metal layer, all patterned by a single mask. The design allows for efficient electrical connections and enhances the overall performance of the integrated circuit.

Career Highlights

Yoichi Hiruta is currently employed at Kabushiki Kaisha Toshiba, where he continues to innovate and develop new technologies. His work at Toshiba has positioned him as a key player in the semiconductor industry, contributing to the company's reputation for excellence in technology.

Collaborations

Throughout his career, Hiruta has collaborated with notable colleagues, including Naohiko Hirano and Kazuhide Doi. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Yoichi Hiruta's contributions to the field of semiconductor technology are significant and impactful. His innovative patents and collaborative efforts continue to shape the future of integrated circuit devices.

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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