Location History:
- Hirakata, JP (1991)
- Osaka, JP (2003 - 2010)
- Neyagawa, JP (1994 - 2012)
Company Filing History:
24 out of 27,375 
8 out of 16,453 
Years Active: 1991-2012
Title: The Innovative Contributions of Yoshihiro Mushika
Introduction: Yoshihiro Mushika, located in Neyagawa, Japan, is a prolific inventor with a remarkable portfolio of 32 patents. His work primarily revolves around advancements in optical technologies, making significant strides in the field with his innovative inventions.
Latest Patents: Among his latest patents are a deformable mirror, an optical head, and an optical recording and playback device designed for dual-layer discs. His invention addresses the challenges of reducing size and cost while correcting spherical aberration caused by thickness variations in light-transmitting layers. The innovation features a reflection mirror equipped with a ferromagnetic member at its center, along with a switching device that toggles between deformed and non-deformed states using a magnetic force. The optical head can function as a plane mirror or deform into a concave surface based on the layer of the optical disc being focused on.
Another notable invention by Mushika includes an optical disk apparatus and an associated optical disk for tilt detection. This solution is tailored for multilayer optical disks, showcasing high-precision tilt detection capabilities. The optical disk comprises a transparent planar base member, a recording layer, and a reflecting layer strategically positioned relative to the recording layer. The apparatus utilizes a laser pointer for focusing on the recording layer, a photo-sensor array for capturing the reflected beam, and an aberration mode detecting circuit to assess the tilt of the optical disk.
Career Highlights: Yoshihiro Mushika has had an impactful career, contributing to renowned companies in the technology sector, including Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His extensive work in these organizations has solidified his reputation as a key innovator in optical technology.
Collaborations: Throughout his career, Mushika has collaborated with esteemed colleagues such as Osamu Kajino and Teruyuki Takizawa. These partnerships have fostered creativity and innovation, leading to the development of groundbreaking technologies in the optical field.
Conclusion: Yoshihiro Mushika's dedication to innovation in optical technologies is evident through his numerous patents and collaborative efforts. His inventions not only address existing challenges in the industry but also pave the way for future developments in optical devices. With a career marked by significant contributions, Mushika remains a pivotal figure in the realm of optical technology innovations.