Location History:
- Chiba, JP (1979 - 2004)
- Ichihara, JP (1987 - 2005)
Company Filing History:
10 out of 630 
1 out of 3,196 Years Active: 1979-2005
Title: Hidenobu Ishikawa - A Pioneer in Polyimide Resin Innovations
Introduction
Hidenobu Ishikawa is an esteemed inventor based in Ichihara, Japan. With a remarkable portfolio of 10 patents to his name, he has significantly contributed to the field of materials science, particularly in the development of advanced polyimide resin compositions. His innovative solutions have addressed essential requirements in various applications, including heat resistance and mechanical properties.
Latest Patents
Ishikawa's latest patents include a thermosetting polyimide resin composition and a process for producing the polyimide resin. This composition features a unique blend of polyimide resin and epoxy resin, showcasing exceptional heat resistance, low dielectric constant, and low dielectric loss tangent. The cured articles derived from his compositions possess impressive mechanical properties, such as tensile strength and tensile elongation. The thermosetting polyimide resin composition comprises a polyimide resin that includes a carboxyl group and a linear hydrocarbon structure with a number-average molecular weight ranging from 300 to 6,000, paired with an epoxy resin. Moreover, he has developed an active energy ray-curable polyimide resin composition that incorporates a polymerizable polyimide resin capable of precise patterning using a dilute alkali aqueous solution.
Career Highlights
Throughout his career, Hidenobu Ishikawa has held significant positions in various prominent companies, including Dainippon Ink and Chemicals, Incorporated and Dai Nippon Printing Co., Ltd. His work in these organizations has allowed him to apply his inventive skills, leading to substantial advancements in polymer technology.
Collaborations
Hidenobu Ishikawa has worked alongside talented colleagues, such as Osamu Maruyama and Eiju Ichinose. These collaborations have facilitated the exchange of innovative ideas and expertise, contributing to the success of their joint endeavors in the field of polyimide resins.
Conclusion
Hidenobu Ishikawa stands out as a pioneering inventor whose contributions to polyimide resin technology have made a significant impact on various industries. With his extensive patent portfolio and collaborative spirit, he continues to shape the landscape of materials science through innovative solutions that meet the demands of modern applications.