Company Filing History:
Years Active: 2022-2025
Title: Innovations of Yoshitake Ishikawa
Introduction
Yoshitake Ishikawa is a notable inventor based in Ehime, Japan. He has made significant contributions to the field of absorbent articles, holding a total of 6 patents. His work focuses on enhancing the functionality and efficiency of absorbent products, particularly in the hygiene sector.
Latest Patents
Ishikawa's latest patents include an innovative absorbent article designed to improve water absorptiveness. This article features an upper auxiliary layer made of a super absorbent nonwoven fabric, which has a Klemm water absorptiveness of 100 mm or more. Additionally, it incorporates first super absorbent polymer particles adjacent to the back surface of the nonwoven fabric. The main absorption layer consists of a cell absorbing sheet containing second super absorbent polymer particles arranged in cells. The design ensures that the first super absorbent polymer particles are securely fixed to the upper surface of the main absorption layer's upper sheet, which is made of a short fiber nonwoven fabric.
Another significant invention is the underpants-type disposable diaper. This product includes a waist portion with a first and second section, both featuring a waist elastic member. The first section includes an over sheet layer that is folded back at the edge of the waist opening, while the second section ensures that the waist elastic member is fixed to the sheet material, allowing for contraction in the width direction.
Career Highlights
Yoshitake Ishikawa is currently employed at Daio Paper Corporation, where he continues to innovate in the field of absorbent products. His work has been instrumental in advancing the technology used in disposable hygiene products, making them more effective and user-friendly.
Collaborations
Ishikawa collaborates with talented coworkers, including Yosuke Mori and Aya Ide, who contribute to the development of innovative solutions in their field.
Conclusion
Yoshitake Ishikawa's contributions to the field of absorbent articles demonstrate his commitment to innovation and improvement in hygiene products. His patents reflect a deep understanding of material science and user needs, positioning him as a key figure in this industry.