This inventor holds 5 USPTO granted patents and 3 published patent applications and 1 EPO patent. Top assignees: The Japan Steel Works, Ltd., Jsr Corporation. Active years: 1999-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Sagamihara, JP (1999)
- Tokyo, JP (2000)
- Hiroshima, JP (2022 - 2024)
Company Filing History:
Years Active: 1999-2026
Title: Innovations of Hideki Chiba
Introduction
Hideki Chiba is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of radiation-sensitive materials. With a total of 5 patents, his work has implications in various technological applications.
Latest Patents
Chiba's latest patents include a radiation-sensitive resin composition. This composition comprises an alkali-soluble resin, such as a polyvinyl phenol or a phenol resin with a weight average molecular weight of 2,000 or higher. It also includes a cross-linking agent, such as an amino resin with two or more active methylol groups in a molecule. Additionally, it features a particulate rubbery material made from a cross-linked polymer chemically modified with an epoxy compound. Furthermore, it contains a liquid rubbery material with a number average molecular weight between 1,000 and 10,000 and a glass transition temperature of -20 degrees Celsius or lower, along with a radiation polymerization initiator. This composition is particularly suited for preparing an insulating layer interposed between two layers of conductive wiring arranged in an overlaying stack. Another patent involves a radiation-sensitive resin composition and material for forming bumps.
Career Highlights
Chiba is associated with JSR Corporation, where he has been able to apply his innovative ideas. His work has contributed to advancements in materials science, particularly in the development of radiation-sensitive compositions.
Collaborations
Chiba has collaborated with notable colleagues, including Hozumi Sato and Toshiyuki Ota. Their combined expertise has likely enhanced the quality and impact of their research and innovations.
Conclusion
Hideki Chiba's contributions to the field of radiation-sensitive materials demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving materials used in various applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

