Company Filing History:
19 out of 3,132 
1 out of 176 
Years Active: 1990-2000
Title: The Innovative Work of Inventor Hideki Ohkubo
Introduction
Hideki Ohkubo, an esteemed inventor based in Tokyo, Japan, has made significant contributions to the field of optical technology. With a remarkable portfolio of 20 patents, Ohkubo has focused particularly on advancements in camera systems, particularly zoom lenses that enhance photographic experiences.
Latest Patents
Among his most recent innovations is a patent for a zoom lens drive system designed for lens shutter type cameras. This invention features a motor mechanism that moves the lens along the optical axis, allowing operators to easily control the lens's position with a switch. The system ensures the lens always returns to a final position in a pre-determined manner, establishing the desired focal length.
Additionally, Ohkubo has created a lens shutter camera that includes a zoom lens housed within a lens block. This camera design incorporates a rotatable cam ring and sector gear that maintain a fixed axial position while ensuring smooth operation of ancillary components such as the finder optical assembly and strobe assembly. The camera features multiple operational modes, including macro photography, utilizing advanced components like prisms and optical wedges to enhance image quality.
Career Highlights
Hideki Ohkubo has had an impressive career, with notable stints at Asahi Kogaku Kogyo Kabushiki Kaisha and Asahi Kogaku Kogyo K.K. Throughout his time at these companies, he has been instrumental in developing cutting-edge camera technologies that have set new standards in the photography industry.
Collaborations
Throughout his career, Ohkubo has collaborated with talented colleagues such as Keisuke Haraguchi and Shinsuke Kohmoto. These partnerships have played a crucial role in enriching the innovative process, enabling the merging of ideas and expertise in the development of groundbreaking technologies.
Conclusion
Hideki Ohkubo continues to be a prominent figure in the field of optical technology, pushing the boundaries of what's possible in camera design with his innovative patents. His work demonstrates a perfect blend of technical expertise and creative thinking, contributing significantly to the evolution of photography and optical devices.