Location History:
- Toyanaka, JP (1989)
- Toyonaka, JP (1990 - 1995)
- Osaka, JP (1994 - 1995)
Company Filing History:
Years Active: 1989-1995
Title: Innovator Masao Takuma: Pioneering Automatic Focusing Systems
Introduction
Masao Takuma, an accomplished inventor hailing from Toyonaka, Japan, has significantly contributed to the field of video technology through his innovative patents. With a remarkable portfolio of 13 patents, Takuma has focused on enhancing automatic focusing mechanisms, a vital aspect of modern video cameras.
Latest Patents
One of Takuma's latest patents is the "Automatic focusing apparatus including improved digital high-pass filter." This invention incorporates a focus lens, an image sensing circuit, and a novel way to generate a focus evaluating value based on the video signal from the image sensing circuit. A key component of this apparatus is the hill-climbing control circuit, which directs the focus motor to adjust the focus lens appropriately. The innovative design includes an A/D converter and a digital high-pass filter (HPF) that work together to provide a more accurate focus evaluating value. By eliminating ringing effects during the horizontal blanking period, this technology enhances automatic focusing operations, ensuring precision in focus, exposure, and white balance controls. Additionally, the invention includes economical designs for noise reduction, facilitating advanced video signal processing with a simpler and more affordable approach.
Career Highlights
Masao Takuma has spent his professional career at Sanyo Electric Co., Ltd., a renowned company recognized for its advancements in electronics and video technology. His contributions have helped shape the capabilities of automatic focus systems, making video recording more efficient and accessible for users.
Collaborations
Throughout his career, Takuma has collaborated with esteemed coworkers including Kiyotada Kawakami and Haruhiko Murata. These partnerships have fostered a rich environment for innovation and helped drive forward the technological advancements seen in their shared projects.
Conclusion
Masao Takuma’s dedication to innovation in automatic focusing technology has left a lasting impact on the video recording industry. His inventive spirit, evidenced by his numerous patents, continues to inspire future developments in video technology and imaging systems. Through his work at Sanyo Electric Co., Ltd. and collaborations with notable peers, Takuma exemplifies the role of an inventor in pushing the boundaries of technological advancement.