Company Filing History:
Years Active: 1977-1978
Title: The Innovations of Takeshi Oohira
Introduction
Takeshi Oohira is a notable inventor based in Katsuta, Japan. He has made significant contributions to the field of elevator control systems and driving systems for moving paths or escalators. With a total of 2 patents, Oohira's work showcases his expertise and innovative spirit.
Latest Patents
Oohira's latest patents include an elevator control apparatus and a driving system for moving paths or escalators. The elevator control apparatus features a bridge circuit that connects a three-phase AC power supply to a three-phase induction motor, allowing for efficient control of elevator car movements. This system adapts to different operational phases, ensuring smooth acceleration and deceleration of the elevator car. The driving system for moving paths or escalators utilizes an endless chain and induction motors to transport passengers effectively, incorporating a thyristor amplifier for optimal performance.
Career Highlights
Oohira is currently employed at Hitachi, Ltd., where he continues to develop innovative solutions in the field of transportation systems. His work has contributed to advancements in elevator technology and passenger transport systems, enhancing safety and efficiency.
Collaborations
Some of Oohira's coworkers include Tomiaki Kurihara and Nobuo Mitsui, who have collaborated with him on various projects within Hitachi, Ltd.
Conclusion
Takeshi Oohira's contributions to elevator control systems and passenger transport technology highlight his role as an influential inventor. His innovative patents reflect a commitment to improving efficiency and safety in transportation systems.
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.