Location History:
- Saitama, JP (1990 - 2000)
- Tokyo, JP (1997 - 2011)
Company Filing History:
2 out of 10,092 
2 out of 1,709 
1 out of 35,734 
Years Active: 1990-2011
Title: Hiroshi Shirai: Innovator in Optical Materials and Virtual Storage Systems
Introduction
Hiroshi Shirai is a notable inventor based in Saitama, Japan. He has made significant contributions to the fields of optical materials and computer systems. With a total of 7 patents to his name, Shirai's work reflects a commitment to innovation and technological advancement.
Latest Patents
One of his latest patents is a resin composition for optical material. This invention provides an optical material that has a high birefringence and a small absolute value of a photoelastic coefficient. The resin composition comprises a resin (a) with a positive photoelastic coefficient and a negative inherent birefringence, and a resin (b) with a negative photoelastic coefficient and a negative inherent birefringence. Another significant patent is related to a paging processing system in a virtual storage device. This system is designed for computers connected directly or over a network. It includes various components such as a page data reception checking portion, a page data reception/transmission portion, and a page management portion, all working together to manage the correspondence between virtual and physical pages.
Career Highlights
Hiroshi Shirai has worked with prominent companies, including Honda and The Whitaker Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas. His work has had a lasting impact on the technology sector, particularly in optical materials and virtual storage systems.
Collaborations
Throughout his career, Shirai has collaborated with talented individuals such as Takashi Tatsumi and Koichi Fukuo. These collaborations have contributed to the success of his projects and the advancement of technology in his field.
Conclusion
Hiroshi Shirai is a distinguished inventor whose work in optical materials and virtual storage systems has made a significant impact. His innovative patents and collaborations highlight his dedication to advancing technology. His contributions continue to influence the industry and inspire future innovations.