Location History:
- Osaka-fu, JP (1999)
- Takatsuki, JP (2000)
- Osaka, JP (1999 - 2006)
- Tokyo, JP (2013)
- Mishima, JP (2014 - 2020)
- Shizuoka, JP (2016 - 2023)
Company Filing History:
14 out of 3,472 
1 out of 3 Years Active: 1999-2023
Title: Hiroji Kojima: Innovator in Laminate Film Technology
Introduction
Hiroji Kojima is a prominent inventor based in Mishima, Japan. He has made significant contributions to the field of laminate film technology, holding a total of 14 patents. His innovative work focuses on enhancing the optical properties and functionality of multilayer films.
Latest Patents
Kojima's latest patents include a groundbreaking laminate film that features a multilayer structure unit consisting of 51 or more layers. This film is designed with alternating layers of polyester resin and a different thermoplastic resin, achieving a refractive index between 1.68 and 1.80. The film demonstrates exceptional scratch resistance and reflectance properties, making it suitable for various applications. Another notable patent involves a laminate film that excels in visibility and color tone reproducibility, incorporating over 50 layers of different thermoplastic resins. This film achieves a light transmittance of 50% or more and maintains specific reflectance relationships, enhancing its usability in display devices.
Career Highlights
Throughout his career, Kojima has worked with esteemed companies such as Toray Industries, Inc. and Toray Fibers & Textiles Research Laboratories (China) Co., Ltd. His experience in these organizations has allowed him to refine his expertise in materials science and film technology.
Collaborations
Kojima has collaborated with notable colleagues, including Jun Sakamoto and Masahiro Kimura. Their joint efforts have contributed to advancements in laminate film technology and its applications.
Conclusion
Hiroji Kojima's innovative work in laminate film technology has positioned him as a key figure in the industry. His patents reflect a commitment to enhancing optical properties and functionality, paving the way for future advancements in this field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.