This inventor holds 29 USPTO granted patents, primarily in Ultrasonic Technologies. Top assignees: Hitachi, Ltd., Hitachi Construction Machinery Co., Ltd., Showa Denko K.k.. Active years: 1978-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hino, JP (1978 - 1991)
- Takasaki, JP (1991)
- Tsuchiura, JP (1992)
- Kanagawa, JP (2003)
- Yokohama, JP (1982 - 2015)
Company Filing History:
22 out of 42,731 
5 out of 1,508 
3 out of 1,961 
Years Active: 1978-2015
Areas of Expertise:
Title: Innovator Isao Ishikawa: Advancements in Aluminum Hydroxide Production
Introduction: Isao Ishikawa is a prominent inventor based in Hino, Japan, with a remarkable portfolio of 29 patents to his name. His work primarily focuses on innovations in the production process of aluminum hydroxide, particularly addressing the challenges associated with bauxite dissolution residual substances.
Latest Patents: Among his latest inventions, Isao Ishikawa has developed a process for neutralizing bauxite dissolution residual substances. This innovative process maintains a high solid content in a bauxite dissolution residual substance slurry, even after the completion of neutralization treatment. It allows for the stabilization of pH levels within a short period, enhancing efficiency in the aluminum production process. The methodology involves mixing bauxite dissolution residuals with sulfuric acid in specific equivalence ratios, leading to the creation of a gelate mixture and ultimately a neutralized slurry.
Career Highlights: Over the course of his career, Isao Ishikawa has made significant contributions to the manufacturing sector. He has worked with esteemed companies, including Hitachi, Ltd. and Hitachi Construction Machinery Co., Ltd., where he honed his expertise in industrial processes and innovations in materials production.
Collaborations: Throughout his professional journey, Ishikawa has collaborated with distinguished colleagues such as Hiroshi Kanda and Toshio Kondo. These partnerships have undoubtedly enriched his projects and contributed to the successful development of his inventive solutions.
Conclusion: Isao Ishikawa's notable patents and continuous contributions to the field of aluminum production demonstrate his commitment to innovation. His work not only showcases the potential for enhancing industrial processes but also reflects a broader impact on sustainable practices in manufacturing. As he continues to innovate, Ishikawa remains a key figure in advancing technology within the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile