Location History:
- Kuwana, JP (2002)
- Yonago, JP (2000 - 2003)
- Nagoya, JP (2003 - 2004)
- Shimane, JP (1988 - 2017)
- Yasugi, JP (1989 - 2019)
Company Filing History:
19 out of 2,333 
3 out of 42,485 
1 out of 10,092 
Years Active: 1988-2019
Title: The Innovations of Takehiro Ohno: A Pioneer in Heat-Resistant Alloys
Introduction
Takehiro Ohno, a prominent inventor from Yasugi, Japan, holds a remarkable portfolio of 21 patents. His ground-breaking work focuses on methods to produce advanced heat-resistant alloys, particularly nickel-based and iron-nickel superalloys. These innovations play a vital role in various high-temperature applications, contributing to industries such as aerospace and power generation.
Latest Patents
Ohno's latest patent involves a method of producing a nickel-based superalloy that enhances heat resistance. This innovative process utilizes a hot working material composed of specific mass percentages of carbon, aluminum, titanium, chromium, cobalt, molybdenum, tungsten, boron, zirconium, and others. The method involves heating the material to between 950°C and 1150°C for an hour or more, followed by hot working with a heated mold ranging from 800°C to 1150°C.
Another significant patent under his belt is a production method for iron-nickel based heat-resistant superalloys. This technique effectively inhibits abnormal grain growth, resulting in fine crystal grain structures with an ASTM crystal grain size number of nine or greater. The method includes a hot working step at 930 to 1010°C, adhering to specific strain and strain rate relations to ensure optimal material properties.
Career Highlights
Throughout his career, Takehiro Ohno has made substantial contributions to the field of material science. His association with companies like Hitachi Metals, Ltd. and Hitachi, Ltd. has enabled him to translate his innovative ideas into practical applications that significantly impact technology and manufacturing.
Collaborations
Ohno’s work has been enriched through collaborations with notable coworkers such as Toshihiro Uehara and Koji Sato. These partnerships have fostered a creative environment where innovative solutions to complex material challenges can flourish.
Conclusion
In conclusion, Takehiro Ohno exemplifies the spirit of innovation, with his patent portfolio reflecting a deep commitment to advancing the field of heat-resistant alloys. His contributions resonate across various industries, illustrating the profound impact of dedicated inventors in shaping technology and improving material performance.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.