This inventor holds 10 USPTO granted patents. Top assignees: Chisso Corporation, Daihatsu Motor Company, Ltd., Mitsubishi Denki Kabushiki Kaisha. Active years: 1986-2004.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ichiharashi, JP (1986)
- Chiba, JP (1992)
- Ichihara, JP (1993 - 2004)
Company Filing History:




Years Active: 1986-2004
Title: The Innovations of Rikio Yonaiyama
Introduction
Rikio Yonaiyama is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of thermoplastic resin technology, holding a total of 10 patents. His work focuses on improving the production processes of continuous fiber-reinforced thermoplastic resin composite materials.
Latest Patents
One of his latest patents is a device for producing thermoplastic resin continuous length sections reinforced with long fibers. This innovative pultrusion device features a shaping nozzle with a specific vertical angle and land portion length, which ensures that long fibers do not break or fluff during the opening treatment. This advancement leads to a substantial reduction in pill-formation and allows for stable and continuous operation over extended periods. Another significant patent is a method for opening and resin-impregnation to produce continuous fiber-reinforced thermoplastic resin composite material. This apparatus effectively impregnates a reinforcing fiber bundle with molten resin, utilizing opening pins and an auxiliary pin to enhance impregnation characteristics and flexural strength while maintaining high productivity.
Career Highlights
Throughout his career, Rikio Yonaiyama has worked with prominent companies such as Chisso Corporation and Mitsubishi Electric Corporation. His experience in these organizations has contributed to his expertise in the field of thermoplastic resins and composite materials.
Collaborations
Rikio has collaborated with notable coworkers, including Koichi Saito and Nobukazu Atsumi. Their combined efforts have further advanced the technology in their respective fields.
Conclusion
Rikio Yonaiyama's contributions to thermoplastic resin technology and his innovative patents have significantly impacted the industry. His work continues to inspire advancements in composite material production processes.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile