Location History:
- Tokyo, JA (1978)
- Shizuoka, JP (1979)
- Odawara, JP (1982)
Company Filing History:
Years Active: 1978-1982
Title: Haruo Takenaka: Innovator in Magnetic Recording and Lithographic Printing
Introduction
Haruo Takenaka is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the fields of magnetic recording and lithographic printing. With a total of 3 patents to his name, Takenaka has demonstrated a commitment to innovation and technological advancement.
Latest Patents
One of his latest patents is for a magnetic recording medium. This invention comprises a coated magnetic recording layer that achieves a balance between video and chroma S/N ratios and tape transporting characteristics. The magnetic layer is designed to have a surface roughness where the maximum value of the arithmetical average roughness (Ra) is about 80 A or greater in the surface roughness pitch region greater than about 300 µm. Additionally, in the surface roughness pitch region of about 5 µm to about 100 µm, the maximum value of the arithmetical average roughness (Ra) is about 40 A or less.
Another significant patent is for presensitized printing plates for lithographic printing. This invention includes an aluminum support with an anodically oxidized aluminum oxide film and a light-sensitive layer containing internal latent image type silver halide grains. These grains are designed to be non-fogged on the anodically oxidized aluminum oxide film on the support.
Career Highlights
Haruo Takenaka is currently associated with Fuji Photo Film Company, Limited. His work at this esteemed company has allowed him to focus on developing innovative solutions in his field. His contributions have been instrumental in advancing the technology related to magnetic recording and printing.
Collaborations
Throughout his career, Takenaka has collaborated with notable colleagues, including Eiichi Tadokoro and Masaaki Fujiyama. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
Haruo Takenaka's work exemplifies the spirit of innovation in technology. His patents in magnetic recording and lithographic printing highlight his expertise and dedication to advancing these fields. His contributions continue to influence the industry and inspire future inventors.