Location History:
- Hitachi, JP (1988)
- Ryugasaki, JP (1993 - 2012)
Company Filing History:
5 out of 42,508 
5 out of 389 
1 out of 365 Years Active: 1988-2012
Title: Innovations of Mitsutaka Shizuya
Introduction
Mitsutaka Shizuya is a notable inventor based in Ryugasaki, Japan. He holds a total of seven patents, showcasing his contributions to the field of technology and engineering. His work primarily focuses on advancements in disc drive technology and optical disc apparatuses.
Latest Patents
One of his latest patents is a disc drive with a clearance adjustment member. This invention aims to reduce fluid loss of a disc and decrease the electric power consumption of a spindle motor. The design includes a rotation load reducing member that is movably supported by a clearance adjustment member, which helps decrease the thickness of the air layer on the upper surface of the disc while it is rotating. Another significant patent is for an optical disc apparatus that effectively reduces fluid noises accompanying disc rotation. This apparatus features a tray that can move in and out of the housing freely, along with a unit mechanism and a turntable that supports the disc. The design includes wall portions surrounding the disc and a pickup that maintains movement along the radius direction of the disc.
Career Highlights
Mitsutaka Shizuya has worked with prominent companies such as Hitachi, Ltd. and Hitachi-LG Data Storage, Inc. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
He has collaborated with notable coworkers, including Shinya Tsubota and Sojiro Kirihara, which has further enriched his work and innovations.
Conclusion
Mitsutaka Shizuya's contributions to technology through his patents and collaborations highlight his significant role as an inventor. His work continues to influence advancements in disc drive technology and optical disc apparatuses.