Nobuhisa Kamikawa is a prominent inventor based in Amagasaki, Japan. He has made significant contributions to the field of stepless transmission technology, holding a total of 5 patents. His innovative designs have advanced the functionality and efficiency of hydrostatic transmissions.

Latest Patents

Kamikawa's latest patents include a control mechanism for stepless transmission. This control mechanism features a piston rod, a neutral biasing spring, a piston, and a cylinder case with first and second fluid chambers. It also incorporates a solenoid valve that selectively supplies pressurized fluid to these chambers. Additionally, the design includes a pivot shaft for swingable support and relief valves to manage hydraulic fluid flow based on pressure levels. Another notable patent is a control mechanism connected to a manipulation lever, which is designed to operate outside the transmission housing. This mechanism includes a piston rod, a cylinder case, and a proportional pressure control valve, enhancing the precision of hydraulic fluid management.

Career Highlights

Kamikawa is associated with Kanzaki Kokyukoki Mfg. Co., Ltd., where he has played a vital role in developing advanced transmission technologies. His work has been instrumental in improving the performance and reliability of hydrostatic systems.

Collaborations

Kamikawa has collaborated with notable coworkers such as Masahisa Kawamura and Ryota Ohashi. Their combined expertise has contributed to the successful development of innovative transmission solutions.

Conclusion

Nobuhisa Kamikawa's contributions to stepless transmission technology exemplify his dedication to innovation. His patents reflect a deep understanding of hydraulic systems and their applications in modern machinery. His work continues to influence the industry and inspire future advancements.

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