Location History:
- Tokyo, JA (1976 - 1977)
- Matsudo, JP (1981 - 1993)
- Mie-ken, JP (1999)
- Yokkaichi, JP (1999 - 2003)
- Tsukuba, JP (2004 - 2006)
- Ibaraki, JP (2006)
Company Filing History:
Years Active: 1976-2006
Title: Innovation and Impact: The Patents of Chiharu Nishizawa
Introduction: Chiharu Nishizawa is a prominent inventor based in Tsukuba, Japan, known for her significant contributions to the field of materials science. With a remarkable portfolio that includes 14 patents, Nishizawa specializes in developing innovative plastic molded products that exhibit unique photochromic and polarizing characteristics.
Latest Patents: Two notable patents from Nishizawa's latest innovations include:
1. **Plastic Molded Product Having Photochromic Characteristic and/or Polarizing Characteristics**: This patent features a plastic molded article that integrates a layer with a photochromic property and/or a layer with a polarization property on at least one side of a base material. The base material utilized is a polycarbonate with a photoelastic constant of 55×10 m/N or below.
2. **Transparent Synthetic Resin Laminate Having Photochromism**: This invention describes a transparent synthetic resin laminate that possesses photochromic properties. The laminate is constructed from two transparent synthetic resin layers, with a photochromic layer formed from curing a mixture of two liquid polyurethanes, alongside a photochromic organic compound that is sandwiched between the resin layers.
Career Highlights: Chiharu Nishizawa works at Mitsubishi Gas Chemical Company, where she continues to advance her research and innovation in polymer materials. Her work focuses on the development of new materials that offer enhanced functionalities for various applications in the industry.
Collaborations: Throughout her career, Nishizawa has collaborated with esteemed colleagues, including Kenji Kouno and Shizuo Togo. These partnerships have been instrumental in driving forward her research projects and enhancing the innovative capacity of their team.
Conclusion: Chiharu Nishizawa's contributions to the field of plastic materials and her impactful patents demonstrate her commitment to innovation and excellence. Her work not only exemplifies the blend of creativity and technical expertise but also highlights the vital role of inventors in shaping the future of materials science. As she continues to push the boundaries of technology, Nishizawa remains a key figure in advancing the capabilities of materials in modern applications.