This inventor holds 4 USPTO granted patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Mitsubishi Electric Corporation, Zeon Corporation. Active years: 1995-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Amagasaki, JP (1995)
- Tokyo, JP (2001 - 2023)
Company Filing History:



Years Active: 1995-2025
Title: Yasushi Hisaoka: Innovator in Hydrocarbon Resin and Semiconductor Technology
Introduction
Yasushi Hisaoka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of hydrocarbon resin production and semiconductor device inspection. With a total of 4 patents to his name, Hisaoka's work reflects a commitment to innovation and technological advancement.
Latest Patents
One of Hisaoka's latest patents is a method for producing hydrocarbon resin hydride. This method involves hydrogenating a hydrocarbon resin by bringing it into contact with hydrogen in the presence of an antioxidative compound and a hydrogenation catalyst. The antioxidative compound is selected from hindered phenolic antioxidants and antioxidants with a 2,2,6,6-tetraalkyl-4-piperidyl group.
Another notable patent is an electrical characteristic inspection device for semiconductor devices. This invention aims to create precise measurement conditions for inspecting semiconductor devices. The device includes a storage unit for measurement conditions, a control unit for reading these conditions, and inductive inductance control circuits to adjust the inductive and floating inductance for the semiconductor device.
Career Highlights
Hisaoka has worked with notable companies such as Mitsubishi Electric Corporation and Zeon Corporation. His experience in these organizations has contributed to his expertise in the field of innovation and technology.
Collaborations
Throughout his career, Hisaoka has collaborated with esteemed colleagues, including Yoshio Yamane and Yoshifumi Maruyama. These collaborations have further enriched his work and contributed to advancements in his areas of expertise.
Conclusion
Yasushi Hisaoka is a distinguished inventor whose work in hydrocarbon resin and semiconductor technology has made a lasting impact. His innovative patents and collaborations highlight his significant contributions to the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile