This inventor holds 4 USPTO granted patents. Top assignee: Asahi Kogaku Kogyo Kabushiki Kaisha. Active years: 1980-1985.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Omiya, JP (1980)
- Ichikawa, JP (1983)
- Ichikawashi, JP (1985)
Company Filing History:
Years Active: 1980-1985
Title: Zenichi Ohkura: Innovator in Camera Technology
Introduction
Zenichi Ohkura is a notable inventor based in Omiya, Japan. He has made significant contributions to the field of camera technology, holding a total of 4 patents. His innovative designs have enhanced the functionality and efficiency of camera systems.
Latest Patents
Ohkura's latest patents include a lens driving apparatus in cameras. This invention features a helicoid ring and a focusing actuation ring that are movably arranged on the inner and outer peripheries of a stationary lens barrel. These components support a focusing movable lens assembly. The helicoid ring and the focusing actuation ring are equipped with gears that are operatively connected by a pinion, which is rotatably supported by the stationary lens barrel. This design allows for precise engagement of the gears, facilitating smooth lens operation.
Another significant patent is the data transmitting electrical contact means switching device in cameras. This device is designed for operation in both shutter speed priority automatic exposure mode and aperture priority automatic exposure mode. It includes first and second switching electrical contacts positioned opposite each other on the lens mount and body mount. The first contact is elastically urged to protrude from the lens mount surface, while the second contact is recessed from the body mount surface. A switching plate supports the first contact, ensuring proper functionality in automatic aperture control mode.
Career Highlights
Zenichi Ohkura is associated with Asahi Kogaku Kogyo Kabushiki Kaisha, a company renowned for its advancements in optical technology. His work has significantly impacted the development of camera systems, making them more user-friendly and efficient.
Collaborations
Ohkura has collaborated with notable coworkers such as Shinsuke Kohmoto and Yasuyuki Haneishi. Their combined expertise has contributed to the successful development of innovative camera technologies.
Conclusion
Zenichi Ohkura's contributions to camera technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the design and functionality of modern cameras.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile