Location History:
- Tsurugashima, JP (1983)
- Saitama, JP (1984)
- Tokyo, JP (1983 - 2000)
Company Filing History:
17 out of 3,132 
1 out of 176 
1 out of 38 Years Active: 1983-2000
Title: The Innovative Mind of Hisao Iwanade in Lens Technology
Introduction: Hisao Iwanade, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of photography through his innovations in lens technology. With a remarkable portfolio of 19 patents, Iwanade has developed methods and devices that enhance the functionality and precision of camera lenses.
Latest Patents: Among his most notable inventions is the lens position adjusting method for a zoom lens. This innovative method features at least two movable lens groups, with one primarily focused on magnification and the other on focusing. Iwanade's design allows for optimal adjustment based on the object's distance, ensuring that each lens group functions effectively to maintain focus and clarity. Additionally, he has developed a motor-driven auto-focusing system for cameras that utilizes a stepping motor to move the focusing lens group along the optical axis. This system intelligently adjusts its function based on the depth of focus, providing enhanced photographic capabilities.
Career Highlights: Hisao Iwanade has enjoyed a successful career, working with prominent companies such as Asahi Kogaku Kogyo Kabushiki Kaisha and Asahi Kogaku Kogyo K.K. His tenure with these firms has enabled him to advance his engineering skills and contribute to groundbreaking innovations in optical technologies.
Collaborations: Throughout his career, Iwanade has collaborated with notable coworkers including Masahiro Oono and Noboru Saitoh. These partnerships have contributed to a conducive environment for creativity and development, leading to enhancements in the devices that photographers rely on.
Conclusion: Hisao Iwanade stands out as a pioneering inventor whose work has significantly impacted the photography industry. His 19 patents reflect his commitment to innovation and the advancement of lens technology. As technology continues to evolve, Iwanade's inventions will undoubtedly serve as a foundation for future developments in optical systems.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.