This inventor holds 40 USPTO granted patents and 1 published patent application and 8 EPO patents, primarily in Camera Control Systems. Top assignees: Mitsubishi Gas Chemical Company, Inc., Hoya Corporation, Pentax Ricoh Imaging Company, Ltd.. Active years: 1986-2025.
Location History:
- Tsurugashima, JP (1986)
- Tsukuba, JP (1994 - 2006)
- Katsushika-ku, JP (2011)
- Ibaraki, JP (2006 - 2012)
- Saitama, JP (1987 - 2015)
- Tokyo, JP (1990 - 2022)
Company Filing History:
14 out of 2,300Â 
6 out of 2,565Â 
5 out of 123Â 
Years Active: 1986-2025
Areas of Expertise:
Title: Inventor Spotlight: Toshiaki Yamada
Introduction
Toshiaki Yamada, a notable inventor based in Saitama, Japan, has made significant contributions to the field of technology through his 39 patents. His innovative concepts span various devices and methods related to control systems and electric motors.
Latest Patents
Among Toshiaki Yamada's latest patents are several cutting-edge inventions. One of his notable innovations is a control device designed to enhance imaging equipment. This device incorporates a memory that stores instructions and a processor that executes those instructions to manage multiple neutral-density filters in an imaging device. By utilizing priority information, the device selects appropriate filters to achieve a target transmittance level efficiently.
Another groundbreaking patent focuses on an enclosed electric motor equipped with ventilation. This design features a stator core with a fixed bracket and housing, along with a rotor supported by bearings. The addition of a fan creates a flue that facilitates airflow, improving performance while ensuring effective operation through integrated rotation detection technology.
Career Highlights
Toshiaki Yamada has had an illustrious career, contributing his expertise to renowned companies such as Mitsubishi Gas Chemical Company, Inc. and Hoya Corporation. His work in these esteemed organizations has allowed him to leverage advanced technologies and push the boundaries of innovation.
Collaborations
Throughout his career, Toshiaki has collaborated with talented colleagues, including Akikazu Amagai and Hajime Ban. These partnerships have fostered an environment of creativity and knowledge sharing, ultimately leading to the development of innovative solutions in their respective fields.
Conclusion
Toshiaki Yamada's impressive portfolio of patents and his commitment to innovation have established him as a key figure in technological advancements. His inventions not only enhance functionality across various applications but also pave the way for future innovations in imaging and electric motor technology.