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For the Inventor, By the Inventor

Iwaki, Japan

Yasuo Sakaguchi

This inventor holds 15 USPTO granted patents, plus 1 CIPO patent. Top assignees: Kureha Kagaku Kogyo Kabushiki Kaisha, Kureha Kagaku Kogyo K.k.. Active years: 1976-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuo Sakaguchi. Retrieved from https://idiyas.com/inventor/yasuo-sakaguchi-r079aor8

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

USPTO Granted Patents = 15

% Patents Active = 100.0


Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 130(Granted Patents)


Location History:

  • Iwaki, JA (1976)
  • Iwaki, JP (1988 - 1995)

Company Filing History:

goldMedal8 out of 776 
 
Kureha Kagaku Kogyo Kabushiki Kaisha
 patents
silverMedal7 out of 137 
 
Kureha Kagaku Kogyo K.k.
 patents

Years Active: 1976-1995

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15 patents (USPTO):Explore Patents
1. 5474828 - Electronic device sealing resin compositions and sealed electronic (1995-12-12),
2. 5332770 - Electronic device sealing resin compositions and sealed electronic (1994-07-26),
3. 5256743 - Poly(arylene thioether) resin compositions and extruded products thereof (1993-10-26),
4. 5236688 - Method for activating infusibilized pitch beads (1993-08-17),
5. 5223557 - Electronic device sealing resin compositions and sealed electronic (1993-06-29),
6. 5110681 - Melt-stable poly(arylene thioether-ketone) prepregs and molded or formed (1992-05-05),
7. 5085819 - Heat-resistant resin compositions, and heat-resistant molded or formed (1992-02-04),
8. 4931259 - Fluidized-bed reaction apparatus and a fludizing bed reaction process (1990-06-05),
9. 4921758 - Molded product of polyarylene thioether and the use thereof (1990-05-01),
10. 4898533 - Fluidized-bed activation furnace for activated carbon (1990-02-06),
11. 4895893 - Heat-resistant resin compositions, and heat-resistant molded or formed (1990-01-23),
12. 4863708 - Process for producing carbon fibers and the carbon fibers produced by (1989-09-05),
13. 4781994 - Fiber-reinforced cement material and molded article comprising hardened (1988-11-01),
14. 4746470 - Process for the preparation of carbon fibers having structure reflected (1988-05-24),
15. 3933335 - Casting mold for metals (1976-01-20),

Title: Yasuo Sakaguchi: Innovator in Electronic Device Sealing Technologies

Introduction

Yasuo Sakaguchi is a prominent inventor based in Iwaki, Japan. He has made significant contributions to the field of electronic device sealing technologies. With a total of 15 patents to his name, Sakaguchi's work has had a considerable impact on the industry.

Latest Patents

Sakaguchi's latest patents focus on electronic device sealing resin compositions. These compositions contain a thermoplastic resin made from poly(arylene thioether-ketone) and poly(arylene sulfide), along with an inorganic filler. The formulations also include silicone oil and silicone rubber, which enhance the sealing properties of electronic devices. His innovative approach ensures that electronic devices are effectively sealed, providing durability and reliability.

Career Highlights

Throughout his career, Yasuo Sakaguchi has worked with notable companies, including Kureha Kagaku Kogyo Kabushiki Kaisha and Kureha Kagaku Kogyo K.K. His experience in these organizations has allowed him to develop and refine his expertise in electronic sealing technologies.

Collaborations

Sakaguchi has collaborated with esteemed colleagues such as Toshio Enoki and Yoshikatsu Satake. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Yasuo Sakaguchi is a distinguished inventor whose work in electronic device sealing has paved the way for advancements in the industry. His innovative patents and collaborations highlight his commitment to improving electronic device reliability.

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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