This inventor holds 2 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 1986-1997.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tokyo, JP (1986)
- Yokohama, JP (1997)
Company Filing History:
Years Active: 1986-1997
Title: Innovations of Masamichi Tohyama
Introduction
Masamichi Tohyama is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of video technology, particularly through his work with Canon Kabushiki Kaisha. With a total of 2 patents, Tohyama has developed innovative solutions that enhance the functionality of video cameras and automatic focusing devices.
Latest Patents
One of Tohyama's latest patents is a video camera apparatus. This invention comprises a camera unit, a detachable lens unit, and a communication circuit that facilitates the exchange of control information between the two units. The design includes a memory that stores information about the version of the control information, allowing for effective communication and control commands between the camera and lens units.
Another significant patent is an automatic focusing device. This device features a light projecting device and a light receiving device that detects the quantity of reflected light from an object. It is designed to perform focusing operations even when the reflection light quantity is too low for standard distance measurement. The device includes a current control mechanism to enhance light output and various adjustments to ensure accurate focusing.
Career Highlights
Throughout his career, Tohyama has been instrumental in advancing video technology. His work at Canon has positioned him as a key figure in the development of innovative imaging solutions. His patents reflect a deep understanding of both hardware and software integration in camera systems.
Collaborations
Masamichi Tohyama has collaborated with notable colleagues such as Yutaka Kohtani and Naoya Kaneda. These partnerships have contributed to the successful development of his patented technologies.
Conclusion
Masamichi Tohyama's contributions to video technology through his patents demonstrate his innovative spirit and technical expertise. His work continues to influence the field, making significant strides in enhancing video camera functionality and automatic focusing systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile