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For the Inventor, By the Inventor

Hirakata, Japan

Akio Kashihara

This inventor holds 25 USPTO granted patents, primarily in Polymer Technology. Top assignee: Nippon Paint Compnay, Ltd.. Active years: 1988-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akio Kashihara. Retrieved from https://idiyas.com/inventor/akio-kashihara

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

USPTO Granted Patents = 25

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 8

Forward Citations = 176(Granted Patents)


Location History:

  • Osaka, JP (1989 - 1993)
  • Hirakata, JP (1988 - 1997)

Company Filing History:

goldMedal25 out of 827 
 
Nippon Paint Compnay, Ltd.
 patents

Years Active: 1988-1997

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Areas of Expertise:
Multilayer Circuit Boards
Patterned Solder Mask
Colored Vinyl Polymer
Dry Toner
Crosslinked Polymer
Composite Film
Polymer Microparticles
Two Component Coating
Dispersion-Polymerization
Resin Particles
Electrophotography
Monodisperse Particle Size
25 patents (USPTO):Explore Patents
1. 5681485 - Method of producing multilayer circuit boards (1997-10-28),
2. 5389497 - Method for forming patterned solder mask (1995-02-14),
3. 5368884 - Method of forming solder mask (1994-11-29),
4. 5367039 - Production of colored vinyl polymer particles by polymerizing a vinyl (1994-11-22),
5. 5185229 - Dry toner for high speed electrophotography (1993-02-09),
6. 5159017 - Crosslinked polymer microparticles and coating composition containing (1992-10-27),
7. 5154967 - Composite film and preparation thereof (1992-10-13),
8. 5124226 - Dispersion-polymerization process for producing a toner containing a (1992-06-23),
9. 5064923 - Crosslinked polymer microparticles derived from betaine monomers having (1991-11-12),
10. 5059505 - Resin particles (1991-10-22),
11. 5008318 - Novel composite film and preparation thereof (1991-04-16),
12. 4990572 - Composite resin particles and preparation thereof (1991-02-05),
13. 4990571 - Composite resin particles and preparation thereof (1991-02-05),
14. 4983671 - Two component polyurethane coating (1991-01-08),
15. 4968576 - Resinous microparticles useful in powdery toner for electrophotography (1990-11-06),

Title: Akio Kashihara: Innovator in Circuit Board Technology

Introduction: Akio Kashihara is a notable inventor based in Hirakata, Japan, recognized for his significant contributions to the field of circuit board technology. With a remarkable portfolio of 25 patents, his innovative approaches have a profound impact on the electronics industry.

Latest Patents: Among his latest patents is a groundbreaking method of producing multilayer circuit boards. This invention outlines a detailed procedure consisting of several steps that include the lamination of a photosensitive film composition onto an insulating material, exposure to light through a photomask, and the formation of a conductor pattern. Additionally, Kashihara has developed a method for forming a patterned solder mask, which enhances properties such as electric insulation, heat resistance, and chemical resistance on printed circuit boards, all while achieving high resolution.

Career Highlights: Akio Kashihara holds a pivotal role at Nippon Paint Company, Ltd., where his expertise in innovative materials and processes has elevated the company’s standing in the electronics manufacturing sector. His inventions not only advance the technology behind circuit boards but also contribute to the efficiency and performance of electronic devices.

Collaborations: Working alongside esteemed colleagues such as Shinichi Ishikura and Keizou Ishii, Kashihara has contributed to collaborative projects that push the boundaries of current technology. Their collective efforts have led to advancements that benefit both the company and the broader electronics landscape.

Conclusion: Akio Kashihara exemplifies the spirit of innovation through his patented methods and significant advancements in circuit board technology. His work continues to set benchmarks for quality and performance, paving the way for the future of electronics.

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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