This inventor holds 18 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Disposable Articles. Top assignees: Unicharm Corporation, Sumitomo Seika Chemicals Co., Ltd.. Active years: 1996-2017.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kakegawa, JP (1996)
- Kanonji, JP (1999)
- Mitoyo-gun, JP (2007)
- Kagawa-ken, JP (1997 - 2011)
- Kagawa, JP (2003 - 2017)
Company Filing History:
18 out of 1,655 
1 out of 302 
Years Active: 1996-2017
Areas of Expertise:
Title: Hiroki Ishikawa: Innovator in Disposable Wearing Articles
Introduction
Hiroki Ishikawa is a prominent inventor based in Kagawa, Japan. He has made significant contributions to the field of disposable wearing articles, particularly in the design and functionality of diapers. With a total of 18 patents to his name, Ishikawa's innovations have greatly impacted the industry.
Latest Patents
Ishikawa's latest patents include a disposable wearing article designed to prevent indicators from being transferred to a liquid-absorbent structure. This invention allows the indicators to develop a color reaction quickly in response to body exudates. The disposable diaper features a topsheet, a backsheet, and a liquid-absorbent structure interposed between these layers. The first backsheet facing the liquid-absorbent structure is equipped with indicators that contain a hot-melt polymer, an indicator agent, and a plasticizing oil. Additionally, he has developed another disposable wearing article that improves leakage prevention and inhibits color changes in unused states. This design includes multiple indicators arranged to react to moisture and body exudates, enhancing the product's functionality.
Career Highlights
Throughout his career, Ishikawa has worked with notable companies such as Unicharm Corporation and Sumitomo Seika Chemicals Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to innovative solutions in the disposable wearing article market.
Collaborations
Ishikawa has collaborated with esteemed colleagues, including Yasuhiko Kenmochi and Takeshi Bando. Their combined expertise has fostered advancements in the design and effectiveness of disposable wearing articles.
Conclusion
Hiroki Ishikawa's contributions to the field of disposable wearing articles demonstrate his commitment to innovation and improvement. His patents reflect a deep understanding of consumer needs and a drive to enhance product functionality.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile