Location History:
- Fujimi, JP (1991)
- Hokkai, JP (1994)
- Hokkaido, JP (1996)
- Tokyo, JP (1989 - 1997)
- Saitama-ken, JP (2002)
- Saitama, JP (2001 - 2007)
Company Filing History:
19 out of 3,132 
4 out of 1,056 
2 out of 5,229 
Years Active: 1989-2007
Title: Nobutaka Minefuji: A Pioneer in Optical Innovations
Introduction:
Nobutaka Minefuji, based in Tokyo, Japan, is an esteemed inventor known for his remarkable contributions to optical technology. With a prolific portfolio of 25 patents, Minefuji has advanced the field of imaging systems and lens design, allowing for innovative solutions in optical engineering.
Latest Patents:
One of his latest innovations is an advanced imaging optical system that includes a meticulously designed aperture stop and two lens groups. The first lens group comprises a positive first lens element with an aspherical surface, designed to displace toward the object as its height from the optical axis increases. The second lens group includes a meniscus third lens element, also featuring aspherical surfaces, ensuring enhanced imaging performance.
Another significant patent is a versatile zoom lens system designed with precision in mind. This system incorporates a negative first lens group made of a negative meniscus lens element, along with a positive second and third lens group. The design enables seamless zooming capabilities, ensuring high-quality imaging, while satisfying specific geometric conditions for optimal performance.
Career Highlights:
Minefuji has built an impressive career by working with prominent companies in the optical industry. Notable names include Asahi Kogaku Kogyo Kabushiki Kaisha and Pentax Corporation, where his expertise in optical engineering has flourished. His innovations have set benchmarks in the industry, garnering recognition and establishing him as a key figure in optical advancements.
Collaborations:
Throughout his career, Nobutaka Minefuji has collaborated with several notable professionals, including Yasuyuki Tejima and Yasunori Arai. These partnerships have led to significant advancements in optical technologies, combining expertise to push the boundaries of what is possible in imaging and lens design.
Conclusion:
Nobutaka Minefuji stands out as a pioneering inventor in the realm of optical innovations. His contributions, encapsulated in his extensive patent portfolio, demonstrate a commitment to advancing imaging technology. Through collaboration and ingenuity, Minefuji continues to impact the field, ensuring that the future of optical systems remains bright and innovative.