This inventor holds 1 USPTO granted patent, plus 1 CIPO patent. Top assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha. Active years: 1992.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1992
Title: Sachio Takeshita: Thermoplastic Resin Sheet Manufacturing
Introduction
Sachio Takeshita is an inventor associated with Shiga, Japan. His patent work addresses the manufacture of embossed thermoplastic resin sheets and methods for reducing defects during production.
Latest Patents
Takeshita is credited with one patent: Method for the Manufacture of Thermoplastic Resin Sheets. The invention describes extruding molten thermoplastic resin through a mold slit at a velocity-to-slit-width ratio above a critical value. That value corresponds to the point at which the embossed surface reaches minimum roughness. The method aims to reduce problems associated with embossing rollers, including sheets sticking to or winding around rollers, poor appearance, and sizing marks. Takeshita’s record lists 1 patent.
Career Highlights
Takeshita’s work is associated with Sekisui Chemical Co., Ltd. The available information also lists Masakazu Wakabayashi in connection with his professional history.
Collaborations
Makoto Ishihara and Masakazu Wakabayashi are identified as Takeshita’s coworkers. Wakabayashi is also listed in connection with his career.
Conclusion
Sachio Takeshita’s patent focuses on controlling extrusion conditions to improve the manufacture and surface quality of embossed thermoplastic resin sheets.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile