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For the Inventor, By the Inventor

Iwaki, Japan

Ken Kashiwadate

This inventor holds 22 USPTO granted patents, plus 3 CIPO patents, primarily in Polymer Chemistry. Top assignees: Kureha Kagaku Kogyo K.k., Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1989-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ken Kashiwadate. Retrieved from https://idiyas.com/inventor/ken-kashiwadate

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

Calculating rank
USPTO Granted Patents = 22

% Patents Active = 100.0

 

Average Co-Inventor Count = 5.9

ph-index = 9

Forward Citations = 152(Granted Patents)


Location History:

  • Iwaki, JP (1989 - 1994)
  • Fukushima, JP (1995)

Company Filing History:

goldMedal16 out of 137 
 
Kureha Kagaku Kogyo K.k.
 patents
silverMedal6 out of 776 
 
Kureha Kagaku Kogyo Kabushiki Kaisha
 patents

Years Active: 1989-1995

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Areas of Expertise:
Polyarylene Sulfide
Polyamide Composition
Heat-Resistant Film
Resin Compositions
Poly(arylene Thioether)
Block Copolymer
Polymer Alloy
Thermoplastic Resin
Melt Stability
Carbon Fibers
Production Process
High-Lubricity Film
22 patents (USPTO):Explore Patents
1. 5436300 - Composition comprising polyarylene sulfide and polyamide composition (1995-07-25),
2. 5328541 - Method of welding tubular products of polyarylene sulfide and welded (1994-07-12),
3. 5286814 - Heat-resistant stretched film and production process thereof (1994-02-15),
4. 5258440 - Resin compositions of high heat resistance (1993-11-02),
5. 5153279 - Poly(arylene thioether) block copolymer and production process thereof (1992-10-06),
6. 5153278 - Poly(arylene thioether) block copolymer and production process thereof (1992-10-06),
7. 5153264 - Poly(arylene thioether) block copolymer and production process thereof (1992-10-06),
8. 5134206 - Polymer alloy of polyarylene thioether and a process for producing the (1992-07-28),
9. 5120808 - Poly(arylene thioether) block copolymer and production process thereof (1992-06-09),
10. 5110681 - Melt-stable poly(arylene thioether-ketone) prepregs and molded or formed (1992-05-05),
11. 5045630 - Poly(arylene thioether-ketones) improved in melt stability and (1991-09-03),
12. 5021523 - Polymer alloy of polyarylene thioether and a process for producing the (1991-06-04),
13. 5008370 - Poly(arylene thioether-ketones) improved in melt stability and (1991-04-16),
14. 5006591 - Polyarylene thioether composition and molded product thereof (1991-04-09),
15. 4985512 - High-lubricity film (1991-01-15),

Title: Ken Kashiwadate: Innovator in Polyarylene Sulfide Technologies

Introduction: Ken Kashiwadate, an accomplished inventor residing in Iwaki, Japan, has a remarkable portfolio of 22 patents to his name. His expertise in polyarylene sulfide compositions and applications has led to significant advancements in materials engineering and processing techniques.

Latest Patents: Among his latest innovations, Ken has developed a composition comprising polyarylene sulfide and polyamide. This composition leverages the unique properties of both materials to enhance performance in various applications. Additionally, he has patented a method for welding tubular products made of polyarylene sulfide. This method involves heating the end faces of the tubular products to specific temperatures to achieve a strong weld while minimizing thermal degradation, resulting in a welded structure with a small inside bead and excellent mechanical strength.

Career Highlights: Ken has contributed to the field through his work at notable companies such as Kureha Kagaku Kogyo K.K. and Kureha Kagaku Kogyo Kabushiki Kaisha. His innovative approach to material science has positioned him as a key player in the development of new composites and joining technologies.

Collaborations: Throughout his career, Ken has collaborated with talented colleagues, including Takayuki Katto and Yoshikatsu Satake. These collaborations have fostered a productive environment for innovation, allowing them to tackle complex challenges in the polymer industry.

Conclusion: Ken Kashiwadate’s contributions to the field of polyarylene sulfide technologies reflect his commitment to advancing material science. With a strong patent portfolio and a focus on practical applications, he continues to drive innovation and set new standards in engineering and manufacturing processes.

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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