This inventor holds 6 USPTO granted patents. Top assignees: Toyoda Koki Kabushiki Kaisha, Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha. Active years: 1976-1983.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Toyota, JA (1976 - 1977)
- Toyota, JP (1983)
Company Filing History:
5 out of 629 
3 out of 1,838 
1 out of 38,912 
Years Active: 1976-1983
Title: Hisaji Nakao: Innovator in Machine Tool Technology
Introduction
Hisaji Nakao is a prominent inventor based in Toyota, Japan, known for his innovative contributions to machine tool technology. With a total of six patents to his name, Nakao's work has significantly advanced the efficiency and functionality of industrial machinery.
Latest Patents
Nakao’s latest patents include groundbreaking inventions like the Contact Detecting Apparatus. This apparatus detects the contact between a workpiece and a tool in a machine tool setup. It features a magnetic coil connected to an AC power source, generating an induced current in a looped secondary circuit that includes the workpiece and tool. By utilizing a first conductive wire arranged in parallel with the secondary circuit, it efficiently detects contact based on the voltage induced in these wires.
Another notable patent is the Sequence Block Display System, designed for use with programmable sequence controllers. This system displays a sequence block in the form of a ladder diagram on a cathode-ray tube display unit. It comprises a data processor and a buffer memory with multiple memory banks to store and manage sequence programs and output instructions effectively.
Career Highlights
Throughout his career, Hisaji Nakao has worked with several prestigious companies in the automotive and machine tool sectors. Notably, he has contributed to Toyoda Koki and Toyota Motor Corporation, where his innovative spirit has led to numerous advancements in technology and manufacturing processes.
Collaborations
Nakao's journey has included fruitful collaborations with esteemed colleagues such as Yasufumi Tokura and Toshihiko Yomogida. Their combined expertise has further propelled advancements in machine tool technology, illustrating the importance of teamwork in the field of innovation.
Conclusion
Hisaji Nakao's contributions to the field of machine tool technology are marked by his inventive spirit and dedication to enhancing industrial processes. Through his patents, collaborations, and career achievements, he has established himself as a pivotal figure in the realm of innovations, setting a standard for future inventors in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile