This inventor holds 3 USPTO granted patents. Top assignees: Alps Electric Co., Ltd., Sony Corporation, Other. Active years: 2003-2010.
Location History:
- Fukushima, JP (2003)
- Fukushima-ken, JP (2006 - 2010)
Company Filing History:
2 out of 4,048 
1 out of 58,145 
1 out of 834,411 Years Active: 2003-2010
Title: Hiroki Hirashima: Innovator in Vibration Technology and Error-Correction Systems
Introduction
Hiroki Hirashima is a notable inventor based in Fukushima, Japan. He has made significant contributions to the fields of vibration technology and error-correction systems. With a total of 3 patents to his name, Hirashima continues to push the boundaries of innovation.
Latest Patents
Hirashima's latest patents include a vibration generator and a disk device with improved error-correction capability. The vibration generator features a case with a hollow interior and a lower plate. It includes a first vibrator supported by an elastic member fixed to the lower plate, and a second vibrator supported by another elastic member. This design allows both vibrators to operate separately, creating at least two different resonance frequencies that are transmitted to the case.
The disk device is designed for high-reliability error-correction processing. It incorporates a C1 code as a low-level error-correction code for each sector, along with a C2 code for a plurality of sectors. The device driver in the host computer works in conjunction with the high-reliability disk to perform low-level and high-level error corrections, ensuring data integrity.
Career Highlights
Hirashima has worked with prominent companies, including Alps Electric Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Hirashima has collaborated with talented individuals such as Isao Asano and Takayuki Sugawara. Their combined efforts have led to advancements in their respective fields.
Conclusion
Hiroki Hirashima is a distinguished inventor whose work in vibration technology and error-correction systems has made a significant impact. His innovative patents and collaborations highlight his commitment to advancing technology.