Company Filing History:
Years Active: 1986-1988
Title: Makoto Shiga: Innovator in Tobacco Filtration Technology
Introduction
Makoto Shiga is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of tobacco filtration technology. With a focus on enhancing the performance of tobacco smoke filters, Shiga has been instrumental in developing innovative solutions that improve user experience.
Latest Patents
Shiga holds 2 patents that showcase his expertise in this area. His latest patents include:
1. **Narrow-cross sectioned fibers for use in tobacco smoker filters** - This invention involves fibers of narrow cross section for use in tobacco filters composed of cellulose acetate fibers. The fiber cross section is in a rectangular configuration, with a longer/shorter diameter ratio greater than 5.5. This design allows for the manufacture of filters with high filtering performance while maintaining a relatively small fiber filling rate.
2. **Tobacco smoke filter** - This patent describes a tobacco smoke filter suitable for use in cigarettes. It comprises cellulose acetate filaments that have a C-shaped cross section. This filter demonstrates good filtration performance with minimal impairment of the tobacco taste or flavor.
Career Highlights
Makoto Shiga is currently associated with Daicel Chemical Industries, Ltd., where he continues to innovate in the field of tobacco filtration. His work has garnered attention for its practical applications and effectiveness in improving filter technology.
Collaborations
Shiga has collaborated with notable colleagues, including Junji Kawamoto and Atsumu Ohga. Their combined efforts have contributed to advancements in the development of tobacco filters.
Conclusion
Makoto Shiga's contributions to tobacco filtration technology through his innovative patents highlight his role as a key inventor in this field. His work not only enhances the performance of tobacco filters but also improves the overall experience for users.