This inventor holds 4 USPTO granted patents. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Chemical Corporation, Tokyo Shibaura Denki Kabushiki Kaisha. Active years: 1984-1992.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokohama, JP (1984 - 1992)
- Kawasaki, JP (1992)
Company Filing History:
3 out of 53,276 
2 out of 10 
1 out of 2,916 
Years Active: 1984-1992
Title: Hikaru Okunoyama: Innovator in Heat-Resistant Materials
Introduction
Hikaru Okunoyama is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of materials science, particularly in the development of heat-resistant insulating materials. With a total of 4 patents to his name, Okunoyama's work has had a substantial impact on various industries.
Latest Patents
One of his latest patents is focused on a heat-resistant insulating coating material and a thermal head that utilizes a polymeric acid synthesized through a ring-opening poly-addition reaction. This innovative process involves using a biphenyl tetracarboxylic acid and an aromatic diamine, specifically p-phenylene diamine. The resulting aromatic polyimide resin layer exhibits excellent heat-resisting properties and strong adhesive strength when applied to substrates, such as copper conductor layers in multi-layer wiring boards for hybrid integrated circuits. Another significant patent involves a semiconductor device that features a plurality of pellets fixed on a bed using a conductive adhesive agent. This device includes an insulating substrate with junction wiring and wires connecting the pellets, all secured by an insulating adhesive agent containing silicon dioxide and metal particles.
Career Highlights
Throughout his career, Okunoyama has worked with prominent companies, including Toshiba Corporation and Toshiba Chemical Corporation. His experience in these organizations has allowed him to refine his expertise in materials science and contribute to groundbreaking innovations.
Collaborations
Okunoyama has collaborated with notable colleagues such as Masaru Nikaido and Katsumi Yanagibashi. Their combined efforts have led to advancements in the field of heat-resistant materials and semiconductor technology.
Conclusion
Hikaru Okunoyama's contributions to the development of heat-resistant materials and semiconductor devices highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to excellence and a profound understanding of materials science.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile