Location History:
- Yokosuka, JP (1999 - 2003)
- Minami-Ashigara, JP (2005 - 2007)
- Kanagawa, JP (2000 - 2008)
Company Filing History:
7 out of 16,458 
4 out of 16,042 
3 out of 161 
Years Active: 1999-2008
Title: The Innovations of Toshikazu Nakamura
Introduction
Toshikazu Nakamura is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of materials science, particularly in the production of cellulose ester films. With a total of 15 patents to his name, Nakamura's work has had a lasting impact on the industry.
Latest Patents
Nakamura's latest patents include a method for producing cellulose ester film. This innovative method involves constructing a film with a front layer, an intermediate layer, and a rear layer. A dope solution is applied to a supporter, and the mass ratio of cotton linter to wood pulp in at least one of the layers is maintained between 5/95 and 0/100. The solvent used in the dope contains more than 15 wt.% alcohols and hydrocarbons with carbon numbers ranging from 1 to 10. Additionally, the solid content density ratio of the solutions for the front and rear layers to that of the intermediate layer is less than 0.9 wt.%, with the total thickness of the front and rear layers exceeding 5% of the dope ribbon.
Another significant patent is related to a film casting method. This method utilizes a pipe for supplying dope to a co-casting die, featuring a goose neck portion connected to a feed block and a straight pipe portion. The design includes a radius of curvature of 50 mm to 400 mm for the goose neck and an angle of 0 to 20 degrees for the straight pipe. The method ensures that air is completely vented out during dope feeding, preventing air bubbles in the plastic web discharged from the die lips.
Career Highlights
Throughout his career, Toshikazu Nakamura has worked with prominent companies such as Fuji Photo Film Company, Limited and Fujifilm Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in film production.
Collaborations
Nakamura has collaborated with several talented individuals in his field, including Hidekazu Yamazaki and Hiroshi Miyachi. These collaborations have fostered a creative environment that has led to the development of innovative solutions in materials science.
Conclusion
Toshikazu Nakamura's contributions to the field of cellulose ester film production are noteworthy. His innovative methods and
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