Hitoshi Tashiro is a prominent inventor based in Kamakura, Japan. He has made significant contributions to the fields of wireline technology and degradable materials, holding a total of 14 patents. His work focuses on enhancing the efficiency and effectiveness of logging operations while also addressing environmental concerns through innovative material solutions.

Latest Patents

Tashiro's latest patents include techniques for reducing axial wave reflections and identifying sticking in wireline cables. These innovations are crucial for axial vibration control of wireline tools and cables during logging operations. In undesirable cases, axial vibrations can exacerbate stick-slip problems of the logging tool. His control systems and strategies aim to minimize these vibrations and identify the sticking of the cable. The system he developed includes a surface actuator and a sensor that generates an axial wave on the wireline cable. This wave travels down the cable, and if sticking occurs, a reflection can be detected at the location of the sticking. This shift in wave transmission is utilized to identify the onset and presence of sticking.

Another notable patent involves degradable composite materials. This application relates to materials that have accelerated degradation in water at low temperatures, with various industrial, medical, and consumer product uses. The degradable composite composition typically comprises a degradable polymer mixed with discrete particles of a filler that accelerates the degradation process. These materials can degrade in water at 60°C in less than 30 days, and in some cases, even in less than 7 days. Tashiro's work in this area is paving the way for more sustainable materials that can break down quickly in various environments.

Career Highlights

Hitoshi Tashiro is currently employed at Schlumberger Technology Corporation, where he continues to innovate and develop new technologies. His expertise in wireline technology and materials science has made him a valuable asset to the company and the industry as a whole.

Collaborations

Tashiro has collaborated with notable colleagues, including Jahir A Pabon and Hitoshi Sugiyama. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in technology.

Conclusion

Hitoshi Tashiro's contributions to wireline technology and degradable materials highlight his role as a leading inventor in his field. His innovative

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