Location History:
- Komae, JA (1976)
- Hiratsuka, JA (1977 - 1978)
- Hiratsuka, JP (1978)
Company Filing History:
2 out of 23 
2 out of 614 
Years Active: 1976-1978
Title: Innovations by Inventor Takeshi Yamawaki
Introduction
Takeshi Yamawaki, based in Hiratsuka, Japan, is an accomplished inventor known for his contributions to the field of rubber testing and measurement technology. With a total of four patents to his name, his inventions focus on improving the accuracy and efficiency of measuring the hardness and tension stress of rubber materials.
Latest Patents
Yamawaki's latest patents demonstrate his innovative approach to rubber measurement. His invention, titled "Apparatus for measuring the hardness of rubber," describes a device where a needle is pressed against a rubber sample to determine its hardness. The apparatus includes a coil spring, a lever mechanism, and an electronic transducer, enabling precise measurement through digital display.
Another significant invention is the "Method of tension stress testing of rubber." This method outlines a process where rubber samples are elongated at a predetermined speed, with tension stress recorded during specific elongation moments. By analyzing data from various rubber samples with different hardness levels, Yamawaki has established a statistical method for determining the tension stress based on hardness measurements.
Career Highlights
Throughout his career, Takeshi Yamawaki has worked with reputable companies, including Mitsubishi Kasei Kogyo Kabushiki Kaisha and Mitsubishi Chemical Industries Limited. His expertise in rubber technology has made him a valuable asset within these organizations, contributing to advancements in materials testing and evaluation.
Collaborations
Yamawaki's work has seen him collaborate with notable colleagues, including Tokitaro Hoshijima and Kiichiro Aga. Together, they have explored innovative solutions in the realm of rubber measurement, pushing the boundaries of what is currently achievable in the industry.
Conclusion
Takeshi Yamawaki's innovative contributions to the field of rubber testing exemplify the impact of dedicated inventors in advancing technology. His patents not only enhance measurement techniques but also set a benchmark for future developments in materials science. As he continues his work, Yamawaki remains an inspiring figure in the world of inventions and innovations.