Location History:
- Hiho, JP (1988)
- Tokyo, JP (1992)
- Hino, JP (1984 - 1998)
Company Filing History:
10 out of 1,252 
10 out of 3,106 
Years Active: 1984-1998
Title: Innovations of Yoshitaka Yamada: A Trailblazer in Photographic Technology
Introduction: Yoshitaka Yamada, based in Hino, Japan, is a notable inventor with an impressive portfolio of 20 patents. His contributions to the field of photographic technology have significantly enhanced the quality and efficiency of image capturing.
Latest Patents: Among his latest inventions, Yamada developed a camera designed with specific exposure value and viewfinder field ratio ranges. This camera features a photographing lens and a finder that allows users to observe objects through a viewing image field. The innovative design offers a field ratio of the viewfinder to the photographed image field on the film ranging from 87% to 120%, with an exposure value set between 11 to 13.5. Another one of his recent patents involves a silver halide color negative photographic light-sensitive material. This invention boasts improved graininess and superior image quality, particularly when capturing photographs under varying light sources with differing color temperatures compared to daylight. The material encompasses multiple light-sensitive layer units with silver halide emulsions and couplers for red, green, and blue sensitivities, demonstrating advanced RMS granularity.
Career Highlights: Yamada had a remarkable career, contributing his expertise to prestigious companies such as Konishiroku Photo Industry Co., Ltd. and Konica Corporation. His work at these esteemed organizations helped pave the way for innovative advancements in photography.
Collaborations: Throughout his career, Yamada collaborated with talented individuals such as Toshifumi Iijima and Hiroshi Shimazaki. Their collective efforts contributed to the remarkable innovations in the photographic domain.
Conclusion: Yoshitaka Yamada's inventive spirit and technical proficiency have left an indelible mark on the world of photography. His 20 patents are a testament to his dedication and creativity, ensuring that his contributions will have a lasting impact on future generations of inventors and photographers.
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.