Tetsuo Ohnishi is a prominent inventor based in Yawata, Japan. He has made significant contributions to the field of exhaust gas treatment technologies, holding a total of 14 patents. His work focuses on improving the efficiency and usability of exhaust gas treatment devices used in various work machines.

Latest Patents

Ohnishi's latest patents include a determination method for exhaust gas treatment devices and a determination system for exhaust gas treatment devices. The determination method is designed for an exhaust gas treatment device that is mounted in a work machine and incorporates components such as a diesel oxidation catalyst and a catalyzed soot filter. This method involves acquiring heat damage information and cumulative heat damage information to assess the usability of the exhaust gas treatment device. The heat damage information indicates the extent of heat damage based on a unique identification symbol, while the cumulative heat damage information is gathered by accumulating the heat damage data.

Another notable patent is for a sintered sliding member and connecting device. This invention features a back metal and a ferrous sintered sliding body that is sintering-bonded to the back metal. The ferrous sintered sliding body contains a martensite phase with a solid soluble carbon concentration of 0.15 to 0.5 wt % and includes carbide in a volume content of 5 to 50%. This design enhances the abrasion resistance, seizing resistance, and heat crack resistance of the sliding member.

Career Highlights

Ohnishi is currently employed at Komatsu Corporation, where he continues to innovate and develop advanced technologies for exhaust gas treatment. His expertise in this area has positioned him as a key figure in the industry, contributing to the advancement of cleaner and more efficient work machines.

Collaborations

Throughout his career, Ohnishi has collaborated with notable colleagues, including Takemori Takayama and Yoshikiyo Tanaka. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Tetsuo Ohnishi's contributions to exhaust gas treatment technologies exemplify his commitment to innovation and environmental sustainability. His patents reflect a deep understanding of the challenges faced in this field and offer practical solutions that enhance the performance of work machines. Ohnishi's work continues to influence the industry and pave the way for

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