Location History:
- Seto, JP (2005 - 2012)
- Toyota, JP (1992 - 2013)
Company Filing History:
12 out of 36,499 
1 out of 2,064 
5 out of 832,680 Years Active: 1992-2013
Title: The Innovative Contributions of Yoshihiro Iijima
Introduction
Yoshihiro Iijima is a prominent inventor based in Seto, Japan, known for his significant contributions to the field of engineering. With a total of 17 patents to his name, Iijima has made remarkable advancements in technology, particularly in the areas of electromagnetic actuators and hybrid drive units.
Latest Patents
One of Iijima's latest patents is an electromagnetic actuator. This device features an electromagnetic drive section that forms a flux path between a plunger and an inner yoke, both made of magnetic material. The actuator drives the plunger in an axial direction through electromagnetic force. Additionally, the operation section includes a dog that can move between a connection position and a release position, restraining the movement of a mating part in the circumferential direction when connected. A retaining ring is also interposed between the plunger and the dog, allowing for relative movement in the circumferential direction while restricting axial movement.
Another notable patent is a hybrid drive unit. This unit includes a power distribution mechanism that distributes power from an engine to a first electric motor and an output shaft. A transmission is arranged between the output shaft and a second electric motor, capable of setting an overdrive ratio where the output shaft speed exceeds that of a predetermined input element. The engagement mechanism connects the engine selectively with the input element of the transmission, allowing for an easy downsizing of the hybrid drive unit.
Career Highlights
Throughout his career, Yoshihiro Iijima has worked with notable companies, including Toyota Motor Corporation. His experience in these organizations has greatly influenced his innovative work and patent developments.
Collaborations
Iijima has collaborated with several talented individuals in the field, including Naoyuki Fukaya and Terufumi Miyazaki. These collaborations have contributed to the advancement of technology and the successful development of his patents.
Conclusion
Yoshihiro Iijima's contributions to engineering through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.
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.