This inventor holds 1 USPTO granted patent. Top assignee: Pentel Kabushiki Kaisha. Active years: 2016.
Company Filing History:
Years Active: 2016
Title: Natsumi Koide: Innovator in Ballpoint Pen Technology
Introduction
Natsumi Koide is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of writing instruments, particularly through his innovative work on ink compositions for ballpoint pens. His expertise and creativity have led to advancements that enhance the writing experience.
Latest Patents
Natsumi Koide holds a patent for an oily ink composition specifically designed for ballpoint pens. This oil-based ink composition features a viscosity of 200,000 mPa·s or more at a shear rate of 0.019 and 5,000 mPa·s or less at a shear rate of 10,000. Additionally, it has a storage modulus of 10 Pa or more at an angular frequency of 0.019 rad/sec. The unique formulation ensures a thin-width writing line that does not bleed or feather, while also preventing ink depletion in the central part of the writing line, resulting in a uniform and clear output.
Career Highlights
Natsumi Koide is associated with Pentel Kabushiki Kaisha, a leading company in the writing instruments industry. His work has not only contributed to the company's product line but has also set new standards in ink technology.
Collaborations
Natsumi Koide has collaborated with talented individuals such as Yuichi Kobayashi and Aya Otsubo, who is a prominent female figure in the field. Their combined efforts have fostered innovation and creativity within their projects.
Conclusion
Natsumi Koide's contributions to the development of ballpoint pen ink compositions exemplify the impact of innovation in everyday writing tools. His work continues to influence the industry and enhance the user experience.