This inventor holds 7 USPTO granted patents. Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation. Active years: 1987-2014.
Location History:
- Moriguchi, JP (1987 - 2008)
- Osaka, JP (2002 - 2014)
Company Filing History:
6 out of 27,375 
1 out of 16,454 
Years Active: 1987-2014
Title: Masuo Maruyama: Innovator in Optical Disk Technology
Introduction
Masuo Maruyama is a notable inventor based in Moriguchi, Japan. He has made significant contributions to the field of optical disk technology, holding a total of 7 patents. His innovative designs have enhanced the functionality and efficiency of optical devices.
Latest Patents
One of Maruyama's latest patents is a turntable featuring an elastic layer with a high contact pressure portion. This invention provides a turntable that rotatably supports a disc member, ensuring that the disc is securely held between the turntable and a clamp member. The elastic layer is designed to project from the disc support surface, with specific areas that exert higher contact pressure, improving the overall performance of the turntable.
Another significant patent is for an optical disk device that includes a drive mechanism housed in a specially designed case. This device features an optical head equipped with a semiconductor laser, a rotary driver for the optical disk, and a transfer mechanism for the optical head. Additionally, it incorporates an agitating fan that facilitates airflow within the drive case, effectively managing the temperature of the semiconductor laser while ensuring dust protection.
Career Highlights
Throughout his career, Masuo Maruyama has worked with prominent companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical technology.
Collaborations
Maruyama has collaborated with notable coworkers, including Benichi Miyazaki and Yoshito Saji. Their combined expertise has contributed to the advancement of optical disk technology.
Conclusion
Masuo Maruyama's contributions to optical disk technology through his patents and collaborations highlight his role as a significant innovator in the field. His work continues to influence the development of optical devices, ensuring improved performance and reliability.