Location History:
- Minami Oizumi, JA (1977)
- Oizumi, JA (1977)
- Tokyo, JA (1976 - 1978)
Company Filing History:
11 out of 3,132 
1 out of 7 Years Active: 1976-1978
Title: The Ingenious Innovations of Tsukumo Nobusawa
Introduction
Tsukumo Nobusawa is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of optical technology. With a remarkable portfolio boasting 12 patents, Nobusawa has dedicated his career to innovating solutions that enhance the functionality and performance of cameras. His latest inventions focus on improving photography through advanced exposure control systems and automatic focusing techniques.
Latest Patents
One of Nobusawa's latest patents is a camera exposure control system specifically designed to adjust both the diaphragm and shutter operations. This invention addresses the challenges photographers face with exposure time adjustments, especially when slight hand movements can lead to blurred photos. The system includes diaphragm driving circuitry that responds to a drive control signal, allowing for dynamic adjustments to counteract variations in lighting conditions, thereby ensuring optimal exposure.
Another notable invention is an automatic focusing system that utilizes two variable frequency oscillators. This innovative system incorporates separate photoconductor elements, which produce variable-frequency signals that synchronize when light passing through the objective is precisely focused on the image plane. By comparing the frequencies and adjusting the spacing between the objective and the image plane, the system achieves clear focus without the manual intervention typically required.
Career Highlights
Throughout his career, Tsukumo Nobusawa has been associated with esteemed companies in the optical industry, including Asahi Kogaku Kogyo Kabushiki Kaisha and Asahi Optical Co., Ltd. His tenure at these organizations has not only honed his skills as an inventor but has also provided him with a platform to develop and showcase his groundbreaking ideas in the realm of camera technology.
Collaborations
Nobusawa's collaborations with leading companies in the optical field have significantly impacted his work and the industry at large. By pooling resources and expertise with Asahi Kogaku Kogyo Kabushiki Kaisha and Asahi Optical Co., Ltd., he has been able to bring innovative designs to life and push the boundaries of what is possible in camera technology.
Conclusion
Tsukumo Nobusawa embodies the spirit of innovation and creativity in the world of optical technology. His 12 patents and continuous work on advanced camera technologies serve as a testament to his dedication to improving the art of photography. By addressing real-world challenges through his inventions, Nobusawa not only enhances the photographic experience for users but also sets a high standard for future inventors in the field.