This inventor holds 3 USPTO granted patents. Top assignees: Alps Electric Co., Ltd., Other. Active years: 1999-2005.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Fukushima-ken, JP (1999 - 2003)
- Hiratsuka, JP (2005)
Company Filing History:
1 out of 4,048 
2 out of 834,601 Years Active: 1999-2005
Title: Shigeru Yamaguchi: Innovator in Laser Technology and Disk Drive Systems
Introduction
Shigeru Yamaguchi is a notable inventor hailing from Fukushima-ken, Japan. He has made significant contributions to the fields of laser technology and disk drive systems. With a total of 3 patents to his name, Yamaguchi's work has had a lasting impact on these industries.
Latest Patents
One of Yamaguchi's latest patents is for a cylindrical straight slab type gas laser. This invention provides a cylindrical slab type gas laser designed to generate an excellent laser beam with a substantially Gaussian intensity distribution. The construction involves a pair of cylindrical electrodes of different diameters, which are disposed vertically and concentrically. The laser medium is filled in the gap between the two electrodes, defining a cylindrical straight slab. Additionally, a ring-shaped trick mirror and an output mirror are strategically placed to enhance the laser's performance. This innovative design eliminates the need for spacers between the electrodes, which are typically required in conventional gas lasers.
Another significant patent by Yamaguchi focuses on a medium distinguishing method for disks used in disk drives. This method addresses the differences in the radius range of formatted zones in various media. By reading a reproduction output at an inside position in the formatted zone, floppy disks can be distinguished from another standard high-capacity medium. This distinction is made possible because the latter has a formatted zone that starts from a more inside position than that of the floppy disk.
Career Highlights
Throughout his career, Shigeru Yamaguchi has worked with various companies, including Alps Electric Co., Ltd. His innovative contributions have been recognized within the industry, showcasing his expertise in laser technology and disk drive systems.
Collaborations
Yamaguchi has collaborated with notable individuals such as Kenji Uehara and Masao Ohkita. These partnerships have further enriched his work and contributed to the advancements in his field.
Conclusion
Shigeru Yamaguchi's contributions to laser technology and disk drive systems exemplify his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding of engineering principles and a commitment to improving existing technologies.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile